diff --git a/.gitignore b/.gitignore
index 77aefe06184de..a674f1faae8f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -90,3 +90,6 @@ grafana/data/test.csv
 /target/
 *.tsfile
 tsfile/src/test/resources/*.ts
+
+### Apache release ###
+local-snapshots-dir/
diff --git a/.mvn/wrapper/MavenWrapperDownloader.java b/.mvn/wrapper/MavenWrapperDownloader.java
index db708a260edbb..5f7a1c2825267 100644
--- a/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/.mvn/wrapper/MavenWrapperDownloader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 import java.util.Properties;
 
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
index 81326e68be88e..c2c4cf5c73bda 100644
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip
diff --git a/Readme.md b/Readme.md
index 573d92b70f5d9..7f7aa308ee908 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # IoTDB
 [![Build Status](https://travis-ci.org/thulab/iotdb.svg?branch=master)](https://travis-ci.org/thulab/iotdb)
 [![codecov](https://codecov.io/gh/thulab/iotdb/branch/master/graph/badge.svg?token=tBhPhPC9EQ)](https://codecov.io/gh/thulab/iotdb)
diff --git a/asf.header b/asf.header
index d587bc96508d2..7f7950e90416c 100644
--- a/asf.header
+++ b/asf.header
@@ -1,5 +1,3 @@
-Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
@@ -10,8 +8,9 @@ with the License.  You may obtain a copy of the License at
 
     http://www.apache.org/licenses/LICENSE-2.0
 
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
\ No newline at end of file
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
diff --git a/checkstyle.xml b/checkstyle.xml
index 649478b8c6224..07ad0ba0899d7 100644
--- a/checkstyle.xml
+++ b/checkstyle.xml
@@ -2,8 +2,6 @@
 
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -14,11 +12,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <!--
diff --git a/codecov.yml b/codecov.yml
index 35e31a9cee81c..31e23d6206115 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 coverage:
diff --git a/grafana/conf/application.properties b/grafana/conf/application.properties
index f07d8598bd0e8..2fb9f490cafec 100644
--- a/grafana/conf/application.properties
+++ b/grafana/conf/application.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 spring.datasource.url=jdbc:iotdb://127.0.0.1:6667/
diff --git a/grafana/pom.xml b/grafana/pom.xml
index f6dcf93945725..b6a6251747672 100644
--- a/grafana/pom.xml
+++ b/grafana/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/grafana/readme.md b/grafana/readme.md
index bc651797fbcfe..353b7ea9a488a 100644
--- a/grafana/readme.md
+++ b/grafana/readme.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # IoTDB-Grafana
 
 * [中文](https://github.com/thulab/iotdb/blob/master/grafana/readme_zh.md)
diff --git a/grafana/readme_zh.md b/grafana/readme_zh.md
index d9b538a387230..60a1278c299ac 100644
--- a/grafana/readme_zh.md
+++ b/grafana/readme_zh.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # Grafana安装
 Grafana下载地址：https://grafana.com/grafana/download
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/TsfileWebDemoApplication.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/TsfileWebDemoApplication.java
index 2c91d95489436..817413a545e9e 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/TsfileWebDemoApplication.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/TsfileWebDemoApplication.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/bean/TimeValues.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/bean/TimeValues.java
index fd7ab3cee59e1..2877cbe746582 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/bean/TimeValues.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/bean/TimeValues.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.bean;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/conf/MyConfiguration.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/conf/MyConfiguration.java
index 4e16a892b269a..529354df97cea 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/conf/MyConfiguration.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/conf/MyConfiguration.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.conf;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/controller/DatabaseConnectController.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/controller/DatabaseConnectController.java
index 05a4c56f63fa2..9a0cfaea2842a 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/controller/DatabaseConnectController.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/controller/DatabaseConnectController.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.controller;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/BasicDao.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/BasicDao.java
index dd8dae17a335e..488cac6534841 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/BasicDao.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/BasicDao.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.dao;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/impl/BasicDaoImpl.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/impl/BasicDaoImpl.java
index d54fd525e1186..5ee77363ea96c 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/impl/BasicDaoImpl.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/dao/impl/BasicDaoImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.dao.impl;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/service/DatabaseConnectService.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/service/DatabaseConnectService.java
index 796c34873a24f..551013687eae1 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/service/DatabaseConnectService.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/service/DatabaseConnectService.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.service;
 
diff --git a/grafana/src/main/java/org/apache/iotdb/web/grafana/service/impl/DatabaseConnectServiceImpl.java b/grafana/src/main/java/org/apache/iotdb/web/grafana/service/impl/DatabaseConnectServiceImpl.java
index aa262bf6b7346..846140f02bd29 100644
--- a/grafana/src/main/java/org/apache/iotdb/web/grafana/service/impl/DatabaseConnectServiceImpl.java
+++ b/grafana/src/main/java/org/apache/iotdb/web/grafana/service/impl/DatabaseConnectServiceImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.web.grafana.service.impl;
 
diff --git a/hadoop/README.md b/hadoop/README.md
index 70ce85d4cefce..dccc0ce42de49 100644
--- a/hadoop/README.md
+++ b/hadoop/README.md
@@ -1 +1,22 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # tsfile-hadoop-connector
diff --git a/hadoop/pom.xml b/hadoop/pom.xml
index 4625463748cf8..4b87cadd1bf1c 100644
--- a/hadoop/pom.xml
+++ b/hadoop/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFHadoopException.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFHadoopException.java
index a5c262628491c..1e5f233830a71 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFHadoopException.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFHadoopException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputFormat.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputFormat.java
index c9891f8b6f446..45298b357756b 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputFormat.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputFormat.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputSplit.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputSplit.java
index ab7d11cc4d31f..208025a0b1952 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputSplit.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFInputSplit.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFOutputFormat.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFOutputFormat.java
index f9f5786878a43..86b4dbfe8f340 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFOutputFormat.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFOutputFormat.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordReader.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordReader.java
index 2a102eb5ceaef..560d7645ba69a 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordReader.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordWriter.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordWriter.java
index df850292cd399..f13004f888507 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordWriter.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSFRecordWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSRow.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSRow.java
index bb702e2264a83..73baf3bb95e7a 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSRow.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/TSRow.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TSFMRReadExample.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TSFMRReadExample.java
index 9ed30ec421de2..5470a5baae983 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TSFMRReadExample.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TSFMRReadExample.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop.example;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TsFileHelper.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TsFileHelper.java
index c0d63fabbf571..bff859fa6bcb4 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TsFileHelper.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/example/TsFileHelper.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop.example;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSInputStream.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSInputStream.java
index d8a38ea524a78..bb437e40414c3 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSInputStream.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSInputStream.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop.io;
 
diff --git a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSOutputStream.java b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSOutputStream.java
index 0d396f6eb6e3f..56d80e7b85e60 100644
--- a/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSOutputStream.java
+++ b/hadoop/src/main/java/org/apache/iotdb/tsfile/hadoop/io/HDFSOutputStream.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop.io;
 
diff --git a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/InputOutputStreamTest.java b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/InputOutputStreamTest.java
index 7bbcb8a8223bc..ac88ad8af1499 100644
--- a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/InputOutputStreamTest.java
+++ b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/InputOutputStreamTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFHadoopTest.java b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFHadoopTest.java
index c7fb4c3c045d6..5f9669ab6cfc7 100644
--- a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFHadoopTest.java
+++ b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFHadoopTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFInputSplitTest.java b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFInputSplitTest.java
index a58cd5dc1b80b..667ce6a62d320 100644
--- a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFInputSplitTest.java
+++ b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TSFInputSplitTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TsFileTestHelper.java b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TsFileTestHelper.java
index fda4ebf535e6a..77d0eda23db57 100644
--- a/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TsFileTestHelper.java
+++ b/hadoop/src/test/java/cn/edu/thu/tsfile/hadoop/TsFileTestHelper.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.hadoop;
 
diff --git a/iotdb-cli/cli/bin/export-csv.bat b/iotdb-cli/cli/bin/export-csv.bat
index 64a72e963c9f2..3d6c1fabaabc7 100644
--- a/iotdb-cli/cli/bin/export-csv.bat
+++ b/iotdb-cli/cli/bin/export-csv.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb-cli/cli/bin/export-csv.sh b/iotdb-cli/cli/bin/export-csv.sh
index 8d187072a261c..5914ba7526b98 100755
--- a/iotdb-cli/cli/bin/export-csv.sh
+++ b/iotdb-cli/cli/bin/export-csv.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb-cli/cli/bin/import-csv.bat b/iotdb-cli/cli/bin/import-csv.bat
index 88ea9ded04876..c29b4349481ef 100644
--- a/iotdb-cli/cli/bin/import-csv.bat
+++ b/iotdb-cli/cli/bin/import-csv.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb-cli/cli/bin/import-csv.sh b/iotdb-cli/cli/bin/import-csv.sh
index 8b307a103e6f0..6bcd5958ec9ae 100755
--- a/iotdb-cli/cli/bin/import-csv.sh
+++ b/iotdb-cli/cli/bin/import-csv.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb-cli/cli/bin/run-client.bat b/iotdb-cli/cli/bin/run-client.bat
index 59b5c68c68107..af74edcb9c722 100755
--- a/iotdb-cli/cli/bin/run-client.bat
+++ b/iotdb-cli/cli/bin/run-client.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 .\start-client.bat -h localhost -p 6667 -u root -pw root
\ No newline at end of file
diff --git a/iotdb-cli/cli/bin/start-client.bat b/iotdb-cli/cli/bin/start-client.bat
index ec96ac39915ce..d6912357f81e2 100755
--- a/iotdb-cli/cli/bin/start-client.bat
+++ b/iotdb-cli/cli/bin/start-client.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb-cli/cli/bin/start-client.sh b/iotdb-cli/cli/bin/start-client.sh
index 5e5b587d6007a..7105b15dc48fd 100755
--- a/iotdb-cli/cli/bin/start-client.sh
+++ b/iotdb-cli/cli/bin/start-client.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb-cli/pom.xml b/iotdb-cli/pom.xml
index 69acaa9322999..e798058166020 100644
--- a/iotdb-cli/pom.xml
+++ b/iotdb-cli/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/AbstractClient.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/AbstractClient.java
index b481da131a1e0..0dcb9f2fdfddb 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/AbstractClient.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/AbstractClient.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.client;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/Client.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/Client.java
index 83dbff22b1480..acd63316ffec0 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/Client.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/Client.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.client;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/WinClient.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/WinClient.java
index 8fc4f438df324..1103b9a070cad 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/WinClient.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/client/WinClient.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.client;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/exception/ArgsErrorException.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/exception/ArgsErrorException.java
index 7d17a1e582304..66f35f1e2b91f 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/exception/ArgsErrorException.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/exception/ArgsErrorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.exception;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/AbstractCsvTool.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/AbstractCsvTool.java
index 3a11529796f1e..9c798b310b8f5 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/AbstractCsvTool.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/AbstractCsvTool.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.tool;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/CsvTestDataGen.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/CsvTestDataGen.java
index 84e455ff7ea43..fa0736ecbb436 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/CsvTestDataGen.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/CsvTestDataGen.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.tool;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ExportCsv.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ExportCsv.java
index 1468e0a24cd65..c503fa52eb34f 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ExportCsv.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ExportCsv.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.tool;
 
diff --git a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ImportCsv.java b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ImportCsv.java
index 2c604a5391a29..2bd97347d32ee 100644
--- a/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ImportCsv.java
+++ b/iotdb-cli/src/main/java/org/apache/iotdb/cli/tool/ImportCsv.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.tool;
 
diff --git a/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/AbstractClientIT.java b/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/AbstractClientIT.java
index 3876ea1269f43..899f615b5666a 100644
--- a/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/AbstractClientIT.java
+++ b/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/AbstractClientIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.client;
 
diff --git a/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/StartClientScriptIT.java b/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/StartClientScriptIT.java
index 31da016b66200..e4883b996f25a 100644
--- a/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/StartClientScriptIT.java
+++ b/iotdb-cli/src/test/java/org/apache/iotdb/cli/client/StartClientScriptIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.cli.client;
 
diff --git a/iotdb-cli/src/test/resources/logback.xml b/iotdb-cli/src/test/resources/logback.xml
index 74b6b131a8790..543c069d9332f 100644
--- a/iotdb-cli/src/test/resources/logback.xml
+++ b/iotdb-cli/src/test/resources/logback.xml
@@ -1,4 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
 <configuration>
     <property name="LOG_PATH" value="logs"/>
     <appender class="ch.qos.logback.core.rolling.RollingFileAppender" name="FILEERROR">
diff --git a/iotdb/iotdb/bin/start-postBackClient.bat b/iotdb/iotdb/bin/start-postBackClient.bat
index a799357680de4..e8b0e85691418 100755
--- a/iotdb/iotdb/bin/start-postBackClient.bat
+++ b/iotdb/iotdb/bin/start-postBackClient.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb/iotdb/bin/start-postBackClient.sh b/iotdb/iotdb/bin/start-postBackClient.sh
index 13b09b1741e22..eb3e5a402beee 100755
--- a/iotdb/iotdb/bin/start-postBackClient.sh
+++ b/iotdb/iotdb/bin/start-postBackClient.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb/iotdb/bin/start-server.bat b/iotdb/iotdb/bin/start-server.bat
index 86c4b21ba2524..abf9ebc003a17 100755
--- a/iotdb/iotdb/bin/start-server.bat
+++ b/iotdb/iotdb/bin/start-server.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb/iotdb/bin/start-server.sh b/iotdb/iotdb/bin/start-server.sh
index 1f6acb754b81b..b24855ab33833 100755
--- a/iotdb/iotdb/bin/start-server.sh
+++ b/iotdb/iotdb/bin/start-server.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb/iotdb/bin/stop-postBackClient.bat b/iotdb/iotdb/bin/stop-postBackClient.bat
index f36e708c30ef9..d7908ec56a7ba 100755
--- a/iotdb/iotdb/bin/stop-postBackClient.bat
+++ b/iotdb/iotdb/bin/stop-postBackClient.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb/iotdb/bin/stop-postBackClient.sh b/iotdb/iotdb/bin/stop-postBackClient.sh
index faf3665308f73..9ff0ab787ee91 100755
--- a/iotdb/iotdb/bin/stop-postBackClient.sh
+++ b/iotdb/iotdb/bin/stop-postBackClient.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb/iotdb/bin/stop-server.bat b/iotdb/iotdb/bin/stop-server.bat
index a538acf0c72b0..0cfdbdc0c7c87 100755
--- a/iotdb/iotdb/bin/stop-server.bat
+++ b/iotdb/iotdb/bin/stop-server.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb/iotdb/bin/stop-server.sh b/iotdb/iotdb/bin/stop-server.sh
index 8750b6bc4879d..cc94639925cf9 100755
--- a/iotdb/iotdb/bin/stop-server.sh
+++ b/iotdb/iotdb/bin/stop-server.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb/iotdb/conf/error_info_cn.properties b/iotdb/iotdb/conf/error_info_cn.properties
index e8e39959b6681..7a115cd04f8d9 100644
--- a/iotdb/iotdb/conf/error_info_cn.properties
+++ b/iotdb/iotdb/conf/error_info_cn.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 20000=未知错误
diff --git a/iotdb/iotdb/conf/error_info_en.properties b/iotdb/iotdb/conf/error_info_en.properties
index 11828fbe6d5b3..62bc9372b0202 100644
--- a/iotdb/iotdb/conf/error_info_en.properties
+++ b/iotdb/iotdb/conf/error_info_en.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 20000=Unknown error
diff --git a/iotdb/iotdb/conf/iotdb-engine.properties b/iotdb/iotdb/conf/iotdb-engine.properties
index e1fa368328eb2..1bb1c7e9a6dfc 100644
--- a/iotdb/iotdb/conf/iotdb-engine.properties
+++ b/iotdb/iotdb/conf/iotdb-engine.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 rpc_port=6667
diff --git a/iotdb/iotdb/conf/iotdb-env.bat b/iotdb/iotdb/conf/iotdb-env.bat
index ca8ed8809f19e..0821f08a399b5 100644
--- a/iotdb/iotdb/conf/iotdb-env.bat
+++ b/iotdb/iotdb/conf/iotdb-env.bat
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @echo off
diff --git a/iotdb/iotdb/conf/iotdb-env.sh b/iotdb/iotdb/conf/iotdb-env.sh
index 4cf6fa65c3ec3..0a6c7b5956956 100755
--- a/iotdb/iotdb/conf/iotdb-env.sh
+++ b/iotdb/iotdb/conf/iotdb-env.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/iotdb/iotdb/conf/iotdb-postbackClient.properties b/iotdb/iotdb/conf/iotdb-postbackClient.properties
index 24f8fdadbb321..bb70b2f5b5867 100644
--- a/iotdb/iotdb/conf/iotdb-postbackClient.properties
+++ b/iotdb/iotdb/conf/iotdb-postbackClient.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 server_ip=127.0.0.1
diff --git a/iotdb/iotdb/conf/logback.xml b/iotdb/iotdb/conf/logback.xml
index 123f7fb7310a9..93cb7423f1bd6 100644
--- a/iotdb/iotdb/conf/logback.xml
+++ b/iotdb/iotdb/conf/logback.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <configuration>
diff --git a/iotdb/iotdb/conf/tsfile-format.properties b/iotdb/iotdb/conf/tsfile-format.properties
index a462f86fbc9de..7148006336fa1 100644
--- a/iotdb/iotdb/conf/tsfile-format.properties
+++ b/iotdb/iotdb/conf/tsfile-format.properties
@@ -1,6 +1,4 @@
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -11,11 +9,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 group_size_in_byte=134217728
diff --git a/iotdb/pom.xml b/iotdb/pom.xml
index aeaea988338ea..17ff37ff53cf2 100644
--- a/iotdb/pom.xml
+++ b/iotdb/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSLexer.g b/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSLexer.g
index 85d8a8a3f0bae..df7a7bcb776ab 100644
--- a/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSLexer.g
+++ b/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSLexer.g
@@ -1,6 +1,4 @@
 //
-// Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-//
 // Licensed to the Apache Software Foundation (ASF) under one
 // or more contributor license agreements.  See the NOTICE file
 // distributed with this work for additional information
@@ -11,11 +9,12 @@
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 //
 
 lexer grammar TSLexer;
diff --git a/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSParser.g b/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSParser.g
index 5175238fb67ad..84be5d0d2d4d8 100644
--- a/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSParser.g
+++ b/iotdb/src/main/antlr3/org/apache/iotdb/db/sql/parse/TSParser.g
@@ -1,6 +1,4 @@
 //
-// Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-//
 // Licensed to the Apache Software Foundation (ASF) under one
 // or more contributor license agreements.  See the NOTICE file
 // distributed with this work for additional information
@@ -11,11 +9,12 @@
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 //
 
 parser grammar TSParser;
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthException.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthException.java
index 0a5a4523e0ca8..f8c581e82b3ae 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthorityChecker.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthorityChecker.java
index 07f9aba2eb12d..5c3124d040047 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthorityChecker.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/AuthorityChecker.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/BasicAuthorizer.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/BasicAuthorizer.java
index b460582a07dc2..4e718724b5a22 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/BasicAuthorizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/BasicAuthorizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.authorizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/IAuthorizer.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/IAuthorizer.java
index bb5efe6ea9792..27d123d53a694 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/IAuthorizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/IAuthorizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.authorizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizer.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizer.java
index 93d5879356bf5..652d379c05c95 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/authorizer/LocalFileAuthorizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.authorizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PathPrivilege.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PathPrivilege.java
index e0e0d736a872e..8496491706f56 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PathPrivilege.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PathPrivilege.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.entity;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PrivilegeType.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PrivilegeType.java
index 5c2024d531f00..e657a9badb6d3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PrivilegeType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/PrivilegeType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.entity;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/Role.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/Role.java
index 93655921b51fd..9dddd4dda42dd 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/Role.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/Role.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.entity;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/User.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/User.java
index 260f2bcbb5f62..9f1b85b576cd1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/User.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/entity/User.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.entity;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/BasicRoleManager.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/BasicRoleManager.java
index f15d57f66aacb..b4352440050d6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/BasicRoleManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/BasicRoleManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.role;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleAccessor.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleAccessor.java
index af74d90b29df5..ce7c7fbd3ef89 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleAccessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleAccessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.role;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleManager.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleManager.java
index 830bcd6abe722..f34c731856197 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/IRoleManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.role;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleAccessor.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleAccessor.java
index 5d3607a35080f..42efd3797f9f7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleAccessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleAccessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.role;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleManager.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleManager.java
index db552b6b486a2..832fd4349b053 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/role/LocalFileRoleManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.role;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/BasicUserManager.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/BasicUserManager.java
index f07f1c22757fa..d573e100a2e9d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/BasicUserManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/BasicUserManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.user;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserAccessor.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserAccessor.java
index b61fff08f0e2a..b7fdc3aed7df2 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserAccessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserAccessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.user;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserManager.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserManager.java
index b19f2c740d5fe..f254c47ca1f3b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/IUserManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.user;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserAccessor.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserAccessor.java
index 9cb1dd02e00c8..c06135221eb4e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserAccessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserAccessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.user;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserManager.java b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserManager.java
index f525e52fa3222..6d33b5a353dfa 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/auth/user/LocalFileUserManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth.user;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/HashLock.java b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/HashLock.java
index 4ca133bb7cd97..5b9f9fc86b5df 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/HashLock.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/HashLock.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandler.java b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandler.java
index a001fb50aac77..628f75ac52740 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandler.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandler.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactory.java b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactory.java
index c5df043fefcb2..d1384104ed38b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactory.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactory.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTThreadFactory.java b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTThreadFactory.java
index eca1d35538169..9c69147f084d8 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTThreadFactory.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/IoTThreadFactory.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/ThreadName.java b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/ThreadName.java
index c7ea74172c352..04ca847eaa7b4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/concurrent/ThreadName.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/concurrent/ThreadName.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
index 5d71cd71a409c..49ebc861d702b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConstant.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConstant.java
index 3b568720c441b..b25b7c16d1407 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConstant.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java
index 291333e8f7ed3..e919cdbaa24d7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/Directories.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/Directories.java
index 0404281ea1076..668b9ecfffbdb 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/Directories.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/Directories.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf.directories;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/DirectoryStrategy.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/DirectoryStrategy.java
index 4266aadcae658..52b550b2e28ba 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/DirectoryStrategy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/DirectoryStrategy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf.directories.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MaxDiskUsableSpaceFirstStrategy.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MaxDiskUsableSpaceFirstStrategy.java
index 3667c6b8013f6..abdb9ffc739c6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MaxDiskUsableSpaceFirstStrategy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MaxDiskUsableSpaceFirstStrategy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf.directories.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinDirOccupiedSpaceFirstStrategy.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinDirOccupiedSpaceFirstStrategy.java
index a082c2d46c2e9..11f40beeae8b0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinDirOccupiedSpaceFirstStrategy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinDirOccupiedSpaceFirstStrategy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf.directories.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinFolderOccupiedSpaceFirstStrategy.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinFolderOccupiedSpaceFirstStrategy.java
index a2a98e0a6c9f1..b4f1b26b1363b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinFolderOccupiedSpaceFirstStrategy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/MinFolderOccupiedSpaceFirstStrategy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf.directories.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/SequenceStrategy.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/SequenceStrategy.java
index 3d65a280234a9..d2a28bd5b3d2e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/SequenceStrategy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/directories/strategy/SequenceStrategy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.conf.directories.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/Processor.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/Processor.java
index 030503f0ac836..5cdbad14aae5a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/Processor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/Processor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/Action.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/Action.java
index 60a5efb43f1c4..e62d715f63bce 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/Action.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/Action.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessor.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessor.java
index 5f841be3ac6f4..24f5d947d56f2 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/FileNodeConstants.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/FileNodeConstants.java
index e1d4b940e4f75..6f7240197c619 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/FileNodeConstants.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/FileNodeConstants.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriter.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriter.java
index 553db9a8efb10..f382440df3e65 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/RowGroupBlockMetaDataCache.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/RowGroupBlockMetaDataCache.java
index 7fc0d30c50cfe..a1ed3cb0825a9 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/RowGroupBlockMetaDataCache.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/RowGroupBlockMetaDataCache.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.cache;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetaDataCache.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetaDataCache.java
index e98497eda1a57..c6f4d2490920c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetaDataCache.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetaDataCache.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.cache;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetadataUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetadataUtils.java
index c513bc8e6106f..34dc85e9f9564 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetadataUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/cache/TsFileMetadataUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.cache;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeManager.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeManager.java
index 1c6c1c1fedca7..1a0fe00c55495 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessor.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessor.java
index b802e6e62ac6d..0b47a0039f7eb 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStatus.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStatus.java
index 3af89bf1e8f54..067d3a590e253 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStatus.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStatus.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStore.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStore.java
index 4989660968062..349ab24b23386 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStore.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/FileNodeProcessorStore.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/IntervalFileNode.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/IntervalFileNode.java
index 8575ee5c5473d..7b23777640747 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/IntervalFileNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/IntervalFileNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/Main.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/Main.java
index d76e8ecf48b35..afb8189e3d112 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/Main.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/Main.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/OverflowChangeType.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/OverflowChangeType.java
index ddc43de5c7fd2..03b9f41c74cb1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/OverflowChangeType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/OverflowChangeType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/SerializeUtil.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/SerializeUtil.java
index 077c718c7215e..bcefb6876b982 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/SerializeUtil.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenode/SerializeUtil.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodev2/TimeIntervalTsFile.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodev2/TimeIntervalTsFile.java
index e0446f525757e..de036049309f0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodev2/TimeIntervalTsFile.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodev2/TimeIntervalTsFile.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenodev2;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/BasicMemController.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/BasicMemController.java
index b41273e3a1eac..ed1a36b6b323a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/BasicMemController.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/BasicMemController.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/FlushPartialPolicy.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/FlushPartialPolicy.java
index c73a0ac379035..ae4e299f7cde7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/FlushPartialPolicy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/FlushPartialPolicy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/ForceFLushAllPolicy.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/ForceFLushAllPolicy.java
index f535abfd4d09f..fdea69f4bc9f0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/ForceFLushAllPolicy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/ForceFLushAllPolicy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/JVMMemController.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/JVMMemController.java
index b9eb158ac5172..a1d00da08944b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/JVMMemController.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/JVMMemController.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemMonitorThread.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemMonitorThread.java
index afd03e5f9f128..c324a2aba3758 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemMonitorThread.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemMonitorThread.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemStatisticThread.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemStatisticThread.java
index 1e615d28caa79..676fb5d352207 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemStatisticThread.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/MemStatisticThread.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/NoActPolicy.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/NoActPolicy.java
index 1cd9c1a961fd2..0f4ecb1203b09 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/NoActPolicy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/NoActPolicy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/Policy.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/Policy.java
index e90de41bbd994..0140ac5290ee6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/Policy.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/Policy.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/RecordMemController.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/RecordMemController.java
index 310bdcffbf517..ea3f01ebe6c91 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/RecordMemController.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memcontrol/RecordMemController.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
index 48abbb68d9eb6..0596e61527b05 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IMemTable.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IMemTable.java
index e5e5bad005cc6..f1e75e3a56a2c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IMemTable.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IMemTable.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
index e20bc5e9f6d2a..aba946bc4efdc 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemSeriesLazyMerger.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemSeriesLazyMerger.java
index 4cf5d677d5131..c513caa71958f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemSeriesLazyMerger.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemSeriesLazyMerger.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushUtil.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushUtil.java
index 180329e9a9bc1..a8f33021f4d94 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushUtil.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/MemTableFlushUtil.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
index 6961ee69e6c87..123e4d2d8879c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairInMemTable.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairInMemTable.java
index d5c618b1e58f0..77d0d36153600 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairInMemTable.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairInMemTable.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairSorter.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairSorter.java
index dd9c3bb29f2d5..212acd3c9b4e7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairSorter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/TimeValuePairSorter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
index d3fcbb9c0e841..4d2122d39297d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIO.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIO.java
index 604abd1b989bd..d115a7e2ee51b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIO.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIO.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessor.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessor.java
index fa1ab00edfe91..5512f22a27acc 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResource.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResource.java
index f2b71603ae8bf..133906879b604 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResource.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResource.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSeriesImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSeriesImpl.java
index a6968709050fb..2902e77330098 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSeriesImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSeriesImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupport.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupport.java
index 90563a6651361..200c5aabd0322 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupport.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupport.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadata.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadata.java
index eef4df17bbd86..f8dbac7bc1d51 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadata.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadata.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadata.java
index 392199f97783a..7cd1579731064 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadata.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadata.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadata.java
index fcbbd96030eaa..ebffbb895b34b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadata.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/MergeStatus.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/MergeStatus.java
index 91e90998314a1..9b9aa85bfeff6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/MergeStatus.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/MergeStatus.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowOpType.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowOpType.java
index 7ca4d45dc1571..ba4c4f9e6e287 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowOpType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowOpType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowReadWriteThriftFormatUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowReadWriteThriftFormatUtils.java
index 62d8518ca68d1..372e4a249a88b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowReadWriteThriftFormatUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/OverflowReadWriteThriftFormatUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/TimePair.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/TimePair.java
index 19d8acd63eeae..71b64d7d2c7d7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/TimePair.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/overflow/utils/TimePair.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/FlushManager.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/FlushManager.java
index 81061e3e2926f..8f1b5faf31ce6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/FlushManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/FlushManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.pool;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/MergeManager.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/MergeManager.java
index 87bb3a7de3e1e..7d135c5140110 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/MergeManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/pool/MergeManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.pool;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/GlobalSortedSeriesDataSource.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/GlobalSortedSeriesDataSource.java
index a8b128db466f4..e06ad194eb2d3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/GlobalSortedSeriesDataSource.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/GlobalSortedSeriesDataSource.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/MergeSeriesDataSource.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/MergeSeriesDataSource.java
index 257f44b6ace9c..2e42bac67637c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/MergeSeriesDataSource.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/MergeSeriesDataSource.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowInsertFile.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowInsertFile.java
index e6c9756eca6e6..44f18c3dfcf24 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowInsertFile.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowInsertFile.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowSeriesDataSource.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowSeriesDataSource.java
index 019e998cc3fc3..3a655f3ebe4e0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowSeriesDataSource.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowSeriesDataSource.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowUpdateDeleteFile.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowUpdateDeleteFile.java
index de01245d21f09..875c98fcca03e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowUpdateDeleteFile.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/OverflowUpdateDeleteFile.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/QueryDataSource.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/QueryDataSource.java
index b0962beabf53e..f63915e76903d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/QueryDataSource.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/QueryDataSource.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
index d854bf97abb7a..90a58e4d83ed6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/UnsealedTsFile.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/UnsealedTsFile.java
index 6519c32c4f2d5..6d140aa43cf53 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/UnsealedTsFile.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/querycontext/UnsealedTsFile.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.querycontext;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/utils/FlushStatus.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/utils/FlushStatus.java
index f32400b4f4edc..bd26620d837de 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/utils/FlushStatus.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/utils/FlushStatus.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/ArgsErrorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/ArgsErrorException.java
index a6f5b9540a365..f4815446e5904 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/ArgsErrorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/ArgsErrorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/BufferWriteProcessorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/BufferWriteProcessorException.java
index cb0ebf8cac501..bf6a34910a09a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/BufferWriteProcessorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/BufferWriteProcessorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/DeltaEngineRunningException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/DeltaEngineRunningException.java
index ab0ca337e4395..acae81c2831af 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/DeltaEngineRunningException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/DeltaEngineRunningException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/ErrorDebugException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/ErrorDebugException.java
index c0405003c5c23..9dff25f1c305b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/ErrorDebugException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/ErrorDebugException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeManagerException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeManagerException.java
index 2912cd026161c..1e5e11d595657 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeManagerException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeManagerException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeNotExistException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeNotExistException.java
index 7581b8f2dfd14..6463f47edf896 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeNotExistException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeNotExistException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeProcessorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeProcessorException.java
index bc6c501895ff1..213d3c05370d5 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeProcessorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/FileNodeProcessorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/MetadataArgsErrorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/MetadataArgsErrorException.java
index 707865ccd8157..5649ae9f67907 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/MetadataArgsErrorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/MetadataArgsErrorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/NotConsistentException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/NotConsistentException.java
index bbff3d44b4201..c570a0b3f6477 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/NotConsistentException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/NotConsistentException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowProcessorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowProcessorException.java
index 7693c911a1e0e..21ac26154e832 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowProcessorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowProcessorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowWrongParameterException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowWrongParameterException.java
index b0cc646ed84c9..e0bd2a545a06b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowWrongParameterException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/OverflowWrongParameterException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/PathErrorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/PathErrorException.java
index 06d24315527f0..6e1aa8e595e4a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/PathErrorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/PathErrorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorException.java
index cb7ce44783672..8747205ada98f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorRuntimException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorRuntimException.java
index a8d752c47df68..6f4fe9177f47e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorRuntimException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/ProcessorRuntimException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/RecoverException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/RecoverException.java
index 4d7e1c935dcb4..da9ded37d1ba3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/RecoverException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/RecoverException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/StartupException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/StartupException.java
index 726e7fbbbb6ef..d52ad9518c15f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/StartupException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/StartupException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedFillTypeException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedFillTypeException.java
index 60dac6476559e..cf78eba6c0502 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedFillTypeException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedFillTypeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedOverflowOpTypeException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedOverflowOpTypeException.java
index 96cbf225c2497..3253a9a14ae46 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedOverflowOpTypeException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/UnSupportedOverflowOpTypeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/WALOverSizedException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/WALOverSizedException.java
index 313cf7f67f6c9..44482d40123ca 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/WALOverSizedException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/WALOverSizedException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/builder/ExceptionBuilder.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/builder/ExceptionBuilder.java
index 2fbc038cdc1f8..fc584f97fffa8 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/builder/ExceptionBuilder.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/builder/ExceptionBuilder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.builder;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/AuthPluginException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/AuthPluginException.java
index a2784dabb2967..86c6356062dc9 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/AuthPluginException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/AuthPluginException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionFailedException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionFailedException.java
index 25e5844b38c81..9a6a1a8db5f22 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionFailedException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionFailedException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionHostException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionHostException.java
index ed7eaa08fae36..0421cab91bdbc 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionHostException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/ConnectionHostException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InsecureAPIException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InsecureAPIException.java
index 79b7197672ec6..03934fe252b63 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InsecureAPIException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InsecureAPIException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InvalidParameterException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InvalidParameterException.java
index abd81175b908d..f3f7c83ea4771 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InvalidParameterException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/InvalidParameterException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/IoTDBException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/IoTDBException.java
index d4a27bc940f91..864dd5b2516fa 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/IoTDBException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/IoTDBException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoParameterException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoParameterException.java
index 73bd537c5ed26..fce1e425cbcdc 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoParameterException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoParameterException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoPreparedStatementException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoPreparedStatementException.java
index 202ad7528ad08..b55193d0f2b67 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoPreparedStatementException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/NoPreparedStatementException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/OutOfMemoryException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/OutOfMemoryException.java
index c7eb943f53088..6f03526b73f2c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/OutOfMemoryException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/OutOfMemoryException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/UnknownException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/UnknownException.java
index 84b733904d70e..2d2ba0438289f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/UnknownException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/codebased/UnknownException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.codebased;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/GeneratePhysicalPlanException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/GeneratePhysicalPlanException.java
index 9e995b4fffc0b..ccabdd21491cd 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/GeneratePhysicalPlanException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/GeneratePhysicalPlanException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.qp;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/IllegalASTFormatException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/IllegalASTFormatException.java
index 7cd86ecb6228c..bb7c3596f3d60 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/IllegalASTFormatException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/IllegalASTFormatException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.qp;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOperatorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOperatorException.java
index a98235fa6206e..91d9424a824d3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOperatorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOperatorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.qp;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOptimizeException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOptimizeException.java
index 6d3899163d35d..df32ce2633257 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOptimizeException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/LogicalOptimizeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.qp;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/QueryProcessorException.java b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/QueryProcessorException.java
index f631e000ef2dd..358227bd4a4d7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/QueryProcessorException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/exception/qp/QueryProcessorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception.qp;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/ColumnSchema.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/ColumnSchema.java
index 9129b608d261e..1f28e79ffe68d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/ColumnSchema.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/ColumnSchema.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MGraph.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MGraph.java
index cfd92332ab800..26abfebafa71a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MGraph.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MGraph.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MManager.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MManager.java
index 12900c55cdf8d..7012c2efc6fed 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MNode.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MNode.java
index 96dd2bf94e9c8..485ea0986902d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MTree.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MTree.java
index 7f038adafdd52..84c892cf67d4e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MTree.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MTree.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/Metadata.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/Metadata.java
index 2826c98c10392..33fac57200ce3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/Metadata.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/Metadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataConstant.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataConstant.java
index 95f87911f68c8..ed200a1757b58 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataConstant.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataOperationType.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataOperationType.java
index 3ec8209783279..0fd5c04e09945 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataOperationType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/MetadataOperationType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/PNode.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/PNode.java
index 99811ed638aec..4986ee2e2cf56 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/PNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/PNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/metadata/PTree.java b/iotdb/src/main/java/org/apache/iotdb/db/metadata/PTree.java
index 6db9ae8b44e9e..5252bd2feb211 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/metadata/PTree.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/metadata/PTree.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/monitor/IStatistic.java b/iotdb/src/main/java/org/apache/iotdb/db/monitor/IStatistic.java
index 8c4338de0b532..37198b298c5bb 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/monitor/IStatistic.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/monitor/IStatistic.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.monitor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/monitor/MonitorConstants.java b/iotdb/src/main/java/org/apache/iotdb/db/monitor/MonitorConstants.java
index 891c68b986a2d..f3db6472c9276 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/monitor/MonitorConstants.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/monitor/MonitorConstants.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.monitor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/monitor/StatMonitor.java b/iotdb/src/main/java/org/apache/iotdb/db/monitor/StatMonitor.java
index a3497e79c634a..b00d18c33a88b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/monitor/StatMonitor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/monitor/StatMonitor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.monitor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderConfig.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderConfig.java
index ffb91a7113ee5..28c9f868c2cb9 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderConfig.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderConfig.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.conf;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderDescriptor.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderDescriptor.java
index 5c6f65f52c660..bed3b74ab4281 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderDescriptor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/conf/PostBackSenderDescriptor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.conf;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerManager.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerManager.java
index 13b60b175ba2e..a8aaab9cce6da 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.receiver;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerService.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerService.java
index 6a54b576ec6ed..ec0a7897470ef 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerService.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerService.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
  * Autogenerated by Thrift Compiler (0.9.1)
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerServiceImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerServiceImpl.java
index ad4ec4cd8d5ea..06abd0630d86b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerServiceImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/receiver/ServerServiceImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.receiver;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileManager.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileManager.java
index 55dedd0b7c7f9..bd1bd80e81862 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.sender;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSender.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSender.java
index a3da536baa6a0..9d6e24c1b18c4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSender.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSender.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.sender;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSenderImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSenderImpl.java
index c41fd466bc273..c5b84829a47d4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSenderImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/sender/FileSenderImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.sender;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender1.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender1.java
index 34fe4b169e353..9fc409a6cd1c4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender1.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender1.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender2.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender2.java
index a5a6cf53d2610..b5d9835ab22cd 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender2.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender2.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender3.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender3.java
index 378b03a31c4d0..a56b45bcd3f84 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender3.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/CreateDataSender3.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/RandomNum.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/RandomNum.java
index 1f3b7c41f171c..90996727ecd88 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/RandomNum.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/RandomNum.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/Utils.java b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/Utils.java
index 081b7f3f131de..33a1de5c115d9 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/Utils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/postback/utils/Utils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java
index 65164537ab89d..1ec75a75ddc71 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/QueryProcessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/DatetimeUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/DatetimeUtils.java
index 56c7578947f90..1d3bc3340dbfe 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/DatetimeUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/DatetimeUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.constant;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/SQLConstant.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/SQLConstant.java
index cc1ba9ab799f1..19640edf501c1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/SQLConstant.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/SQLConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.constant;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/TSParserConstant.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/TSParserConstant.java
index e37a331a321ab..3b1ee4f25fff2 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/TSParserConstant.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/constant/TSParserConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.constant;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/exception/DateTimeFormatException.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/exception/DateTimeFormatException.java
index 574797e4b173b..9de2f18789301 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/exception/DateTimeFormatException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/exception/DateTimeFormatException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.exception;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/OverflowQPExecutor.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/OverflowQPExecutor.java
index 967e057036694..e2d3009900686 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/OverflowQPExecutor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/OverflowQPExecutor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.executor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/QueryProcessExecutor.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/QueryProcessExecutor.java
index 488bf94aa6521..b735617d9254d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/QueryProcessExecutor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/executor/QueryProcessExecutor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.executor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/Operator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/Operator.java
index 6060caf8bd4a6..b346cdb9f3de0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/Operator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/Operator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/RootOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/RootOperator.java
index d003340454c44..d9b6f56522608 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/RootOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/RootOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicFunctionOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicFunctionOperator.java
index 6a0c4e9f1782f..1472e544feeaa 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicFunctionOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicFunctionOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicOperatorType.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicOperatorType.java
index 40012cb4c993e..cfc164b148032 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicOperatorType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/BasicOperatorType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/DeleteOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/DeleteOperator.java
index 2ab2fb1d566ed..4a1217e7647b5 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/DeleteOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/DeleteOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FilterOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FilterOperator.java
index 6c3a57c87b30f..a6c032ba316b0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FilterOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FilterOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FromOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FromOperator.java
index 1b5c4f8affe03..cd3f7f0743bc1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FromOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FromOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FunctionOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FunctionOperator.java
index df4c904b25787..60e82cf3a3598 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FunctionOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/FunctionOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/InsertOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/InsertOperator.java
index bca7bba8e74e1..e0c60975ceb56 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/InsertOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/InsertOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/QueryOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/QueryOperator.java
index a750c9d02b1f0..4838d7427f3bf 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/QueryOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/QueryOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SFWOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SFWOperator.java
index f78c58b78fed1..ec3ef2717aa89 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SFWOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SFWOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SelectOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SelectOperator.java
index 4b66edfc5cea4..e0d725c00e816 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SelectOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/SelectOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/UpdateOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/UpdateOperator.java
index 0e6f7c927dbf6..94b84f8e68b44 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/UpdateOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/crud/UpdateOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/AuthorOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/AuthorOperator.java
index 3a188303944c4..b237239b756c0 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/AuthorOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/AuthorOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/LoadDataOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/LoadDataOperator.java
index f6a3560c33166..e8d467977812a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/LoadDataOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/LoadDataOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/MetadataOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/MetadataOperator.java
index 6ab4c14bec01e..c755b47d63e7c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/MetadataOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/MetadataOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/PropertyOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/PropertyOperator.java
index 447529184f19e..d10cb7041e3e3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/PropertyOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/logical/sys/PropertyOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.logical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/PhysicalPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/PhysicalPlan.java
index dcfe56d212e08..77dd6e4a5a4d1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/PhysicalPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/PhysicalPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/AggregationPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/AggregationPlan.java
index b093ce2589901..43a5e28f18296 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/AggregationPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/AggregationPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/DeletePlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/DeletePlan.java
index 4be29c2822b90..b89717b6a0139 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/DeletePlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/DeletePlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/FillQueryPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/FillQueryPlan.java
index fff4f90ac3cef..7f0399ff88473 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/FillQueryPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/FillQueryPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/GroupByPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/GroupByPlan.java
index 4fbae16359818..f4087eb4855bc 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/GroupByPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/GroupByPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/InsertPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/InsertPlan.java
index e531998a2562d..499181103cde5 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/InsertPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/InsertPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/QueryPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/QueryPlan.java
index 56e61e95acc4a..4e60c5be23b40 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/QueryPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/QueryPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/UpdatePlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/UpdatePlan.java
index 9e033219b4fe6..5da9c2a661bf7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/UpdatePlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/crud/UpdatePlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.crud;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/AuthorPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/AuthorPlan.java
index 6eda697acb30c..4641ad93efc29 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/AuthorPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/AuthorPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/LoadDataPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/LoadDataPlan.java
index d8125792cf3b4..f2421bf9e3049 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/LoadDataPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/LoadDataPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/MetadataPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/MetadataPlan.java
index ecf15ba6e4746..f21264ad963b7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/MetadataPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/MetadataPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/PropertyPlan.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/PropertyPlan.java
index a48cb3fcc3f3c..f708e85a61f87 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/PropertyPlan.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/physical/sys/PropertyPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.physical.sys;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/LogicalGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/LogicalGenerator.java
index 19dd2d34e5ff7..f0adb66dbdf4c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/LogicalGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/LogicalGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
index b201989c07a95..e5a7ade14bac6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ConcatPathOptimizer.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ConcatPathOptimizer.java
index 07aaa96aa1d5d..28cb7f62d19c3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ConcatPathOptimizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ConcatPathOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy.optimizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/DnfFilterOptimizer.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/DnfFilterOptimizer.java
index 03ee97dc51ff4..fe3e7cde153d8 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/DnfFilterOptimizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/DnfFilterOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy.optimizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/IFilterOptimizer.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/IFilterOptimizer.java
index ae07620787f03..6d9f3cb6c43e1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/IFilterOptimizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/IFilterOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy.optimizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ILogicalOptimizer.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ILogicalOptimizer.java
index 12c1b440fc882..c3a7d06207862 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ILogicalOptimizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/ILogicalOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy.optimizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/MergeSingleFilterOptimizer.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/MergeSingleFilterOptimizer.java
index 7879d60628611..e62f4179e673c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/MergeSingleFilterOptimizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/MergeSingleFilterOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy.optimizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/RemoveNotOptimizer.java b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/RemoveNotOptimizer.java
index 578a2215a7ced..f6b7dbd211675 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/RemoveNotOptimizer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/qp/strategy/optimizer/RemoveNotOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy.optimizer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/executor/QueryJobExecutor.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/executor/QueryJobExecutor.java
index 9e26b8f6e9bfd..cfe9156099db6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/executor/QueryJobExecutor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/executor/QueryJobExecutor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.executor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngine.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngine.java
index db7a6e8841b72..628390331d234 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngine.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngine.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngineImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngineImpl.java
index 73d67dde968bf..d475b017ac8ae 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngineImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryEngineImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJob.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJob.java
index 9fc49ec78cf8f..5b0a5d593aeac 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJob.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJob.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobContext.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobContext.java
index efd07f42aab46..f2e406f88ffeb 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobContext.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobContext.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobDispatcher.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobDispatcher.java
index 6b5a3fb0ac087..f985f3e649903 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobDispatcher.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobDispatcher.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobExecutionMessage.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobExecutionMessage.java
index 48b82f929c956..73724195a913d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobExecutionMessage.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobExecutionMessage.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFuture.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFuture.java
index 75c16ed374077..15639363e9d50 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFuture.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFuture.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFutureImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFutureImpl.java
index 5ced71779bfa2..5d26ef7a975b4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFutureImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobFutureImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobStatus.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobStatus.java
index 12ccc965fee4d..9c61fd7e56262 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobStatus.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobStatus.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobType.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobType.java
index 7deaab14b60cf..76ed64851fb06 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/job/QueryJobType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.job;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/component/resource/QueryResource.java b/iotdb/src/main/java/org/apache/iotdb/db/query/component/resource/QueryResource.java
index e7eb33e27506f..9396cda9ca659 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/component/resource/QueryResource.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/component/resource/QueryResource.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component.resource;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java b/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
index 20a2c209188bd..5f3ae534c2024 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/control/OpenedFilePathsManager.java b/iotdb/src/main/java/org/apache/iotdb/db/query/control/OpenedFilePathsManager.java
index 80e70131eeb23..4dc177f9c4448 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/control/OpenedFilePathsManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/control/OpenedFilePathsManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryDataSourceManager.java b/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryDataSourceManager.java
index fa4e10095dc7e..2b1ff811f7214 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryDataSourceManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryDataSourceManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryTokenManager.java b/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryTokenManager.java
index 33af768a17e4d..4e2a901019fd8 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryTokenManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/control/QueryTokenManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithTimeGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithTimeGenerator.java
index f92febd041e8f..20d93e89a8f21 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithTimeGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.dataset;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithoutTimeGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithoutTimeGenerator.java
index 7cc36232c1ed4..77e634469316e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithoutTimeGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/dataset/EngineDataSetWithoutTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.dataset;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithTimeGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithTimeGenerator.java
index 185e05d04aa38..53d73d1d80fed 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithTimeGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.executor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithoutTimeGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithoutTimeGenerator.java
index e79626726f5b2..231cd8667e469 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithoutTimeGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineExecutorWithoutTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.executor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineQueryRouter.java b/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineQueryRouter.java
index 54141029ba572..187b47ad258e4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineQueryRouter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/executor/EngineQueryRouter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.executor;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJob.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJob.java
index f92e25f697969..a5b3451dc964a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJob.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJob.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobEngine.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobEngine.java
index bda92720a8e6e..61de33bb95e2e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobEngine.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobEngine.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobPart.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobPart.java
index 0c02bd8732820..79777264630ee 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobPart.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobPart.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobScheduler.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobScheduler.java
index 4fd335fb54597..1e9bb25b5c01f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobScheduler.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/ExternalSortJobScheduler.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/LineMerger.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/LineMerger.java
index 980f84f9825cb..23e0e2c3d7b83 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/LineMerger.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/LineMerger.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/MultiSourceExternalSortJobPart.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/MultiSourceExternalSortJobPart.java
index 2c6db54645825..68f6834668d53 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/MultiSourceExternalSortJobPart.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/MultiSourceExternalSortJobPart.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SimpleExternalSortEngine.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SimpleExternalSortEngine.java
index 7b7ccfe9b9110..c3596d04c9aab 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SimpleExternalSortEngine.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SimpleExternalSortEngine.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SingleSourceExternalSortJobPart.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SingleSourceExternalSortJobPart.java
index 9dfecf7c64c02..c9c8dddbe6565 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SingleSourceExternalSortJobPart.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/SingleSourceExternalSortJobPart.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 // package org.apache.iotdb.db.query.externalsort;
 //
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairDeserializer.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairDeserializer.java
index 20f114bd745e1..3a31161448846 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairDeserializer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairDeserializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.externalsort.serialize;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairSerializer.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairSerializer.java
index f9dd8888e6936..16ebf7a0ef3f4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairSerializer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/TimeValuePairSerializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.externalsort.serialize;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairDeserializer.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairDeserializer.java
index d5c49ca88e725..3026a6ae1abde 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairDeserializer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairDeserializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.externalsort.serialize.impl;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairSerializer.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairSerializer.java
index 7d2e00f74e287..c6a1e8fec750f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairSerializer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/FixLengthTimeValuePairSerializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.externalsort.serialize.impl;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairDeserializer.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairDeserializer.java
index 498232a30eba6..51b5284858d5a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairDeserializer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairDeserializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.externalsort.serialize.impl;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairSerializer.java b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairSerializer.java
index 42fc5c995891f..1ec0f0b87dc15 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairSerializer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/externalsort/serialize/impl/SimpleTimeValuePairSerializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.externalsort.serialize.impl;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactory.java b/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactory.java
index d2d74f95e8f9f..0a43b46c5ab3b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactory.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/factory/SeriesReaderFactory.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.factory;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/fill/IFill.java b/iotdb/src/main/java/org/apache/iotdb/db/query/fill/IFill.java
index 8999766f8373d..de5067a603f90 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/fill/IFill.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/fill/IFill.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.fill;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/fill/LinearFill.java b/iotdb/src/main/java/org/apache/iotdb/db/query/fill/LinearFill.java
index 585320884db46..3ecdad2a496ed 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/fill/LinearFill.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/fill/LinearFill.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.fill;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/fill/PreviousFill.java b/iotdb/src/main/java/org/apache/iotdb/db/query/fill/PreviousFill.java
index 6178d457be0b4..ff80386367a4d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/fill/PreviousFill.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/fill/PreviousFill.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.fill;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/IReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/IReader.java
index 092c50a3145ff..6a574d6a5a3f2 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/IReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/IReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderByTimestamp.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderByTimestamp.java
index 3b79498c0b344..dfe256801fa8a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderByTimestamp.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderByTimestamp.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.mem;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithFilter.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithFilter.java
index de903164542e3..0e53fa96e88bb 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithFilter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.mem;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithoutFilter.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithoutFilter.java
index 25c1142a6b8f8..2623a6e893d37 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithoutFilter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/mem/MemChunkReaderWithoutFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.mem;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/EngineReaderByTimeStamp.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/EngineReaderByTimeStamp.java
index 6034abc3a5f83..8ddf0add06b72 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/EngineReaderByTimeStamp.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/EngineReaderByTimeStamp.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.merge;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReader.java
index c82e3f7a53cc2..7510b8e427869 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.merge;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestamp.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestamp.java
index 1f7a420e7dd33..244291a11856c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestamp.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestamp.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.merge;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SealedTsFilesReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SealedTsFilesReader.java
index 4778d6182f686..624b5a2e26779 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SealedTsFilesReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SealedTsFilesReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.sequence;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceDataReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceDataReader.java
index 4146f048cdcab..c4d549da2618b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceDataReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceDataReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.sequence;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceInsertDataByTimeStampReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceInsertDataByTimeStampReader.java
index b9b526ec7b734..dfbb832dcd39b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceInsertDataByTimeStampReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/SequenceInsertDataByTimeStampReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 //
 // package org.apache.iotdb.read.reader;
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/UnSealedTsFileReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/UnSealedTsFileReader.java
index 597eb340f129b..f026ab41b1bf7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/UnSealedTsFileReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/sequence/UnSealedTsFileReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.sequence;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/unsequence/EngineChunkReader.java b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/unsequence/EngineChunkReader.java
index 8cf8164edb49f..9c17e744031b3 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/reader/unsequence/EngineChunkReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/reader/unsequence/EngineChunkReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.unsequence;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineLeafNode.java b/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineLeafNode.java
index fd3e87e4e1fdd..ae453c5a2c015 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineLeafNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineLeafNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.timegenerator;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineNodeConstructor.java b/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineNodeConstructor.java
index 0089b37a96ce1..7e17ac2fc1a31 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineNodeConstructor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineNodeConstructor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.timegenerator;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineTimeGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineTimeGenerator.java
index e1b0b6ce203dd..a3374df809eb8 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineTimeGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/query/timegenerator/EngineTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.timegenerator;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/CloseMergeService.java b/iotdb/src/main/java/org/apache/iotdb/db/service/CloseMergeService.java
index 276cdbebc594c..55a4e06ad2f91 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/CloseMergeService.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/CloseMergeService.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/IService.java b/iotdb/src/main/java/org/apache/iotdb/db/service/IService.java
index 285423ecada7e..c73ec07fa4779 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/IService.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/IService.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDB.java b/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDB.java
index 02d1900cabb0f..2719a29201219 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDB.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDB.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDBMBean.java b/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDBMBean.java
index a085cacc0698a..0892127db6433 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDBMBean.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/IoTDBMBean.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCService.java b/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCService.java
index b243fac256a5e..cb7dd49e8e8e1 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCService.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCService.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceEventHandler.java b/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceEventHandler.java
index 62243d6ba966d..10c46f2623f72 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceEventHandler.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceEventHandler.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceMBean.java b/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceMBean.java
index 35a610482f47b..bc3d0a6b9444d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceMBean.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/JDBCServiceMBean.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/JMXService.java b/iotdb/src/main/java/org/apache/iotdb/db/service/JMXService.java
index eb203b8eb4280..f20302c3a0b1b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/JMXService.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/JMXService.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/Monitor.java b/iotdb/src/main/java/org/apache/iotdb/db/service/Monitor.java
index 68bc6cfb420d4..2d1af93f01d34 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/Monitor.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/Monitor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/MonitorMBean.java b/iotdb/src/main/java/org/apache/iotdb/db/service/MonitorMBean.java
index d6ee60bedf8c0..0e92c756b7743 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/MonitorMBean.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/MonitorMBean.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/RegisterManager.java b/iotdb/src/main/java/org/apache/iotdb/db/service/RegisterManager.java
index 0f8b854f3b215..5a9f327eafd85 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/RegisterManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/RegisterManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/ServiceType.java b/iotdb/src/main/java/org/apache/iotdb/db/service/ServiceType.java
index 7473b8dbc8803..61ae722b1e42a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/ServiceType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/ServiceType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/StartupCheck.java b/iotdb/src/main/java/org/apache/iotdb/db/service/StartupCheck.java
index c6eaa66c0fbb6..79901953c9517 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/StartupCheck.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/StartupCheck.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/StartupChecks.java b/iotdb/src/main/java/org/apache/iotdb/db/service/StartupChecks.java
index f854670afdfed..f4bdb79616420 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/StartupChecks.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/StartupChecks.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/TSServiceImpl.java b/iotdb/src/main/java/org/apache/iotdb/db/service/TSServiceImpl.java
index a85567949edc6..2423a22960f2c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/TSServiceImpl.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/TSServiceImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/service/Utils.java b/iotdb/src/main/java/org/apache/iotdb/db/service/Utils.java
index f6297c041ed2c..0e8566cff3458 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/service/Utils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/service/Utils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.service;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/ParseGenerator.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/ParseGenerator.java
index 4ea6a460e7b3f..46d5cc596854c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/ParseGenerator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/ParseGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstErrorNode.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstErrorNode.java
index aa589daaf703e..6a69a754b88b7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstErrorNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstErrorNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNode.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNode.java
index 2dcebf9902ee0..f91de9df83e4a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNodeOrigin.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNodeOrigin.java
index bddf4d19aa822..7cf5bc24587b9 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNodeOrigin.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/AstNodeOrigin.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/Node.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/Node.java
index 66c5ee00fc27e..9d4afb2341497 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/Node.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/Node.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseDriver.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseDriver.java
index 5890e7f1900a4..349a2e9113dc5 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseDriver.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseDriver.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseError.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseError.java
index 0f8bd46118047..585946898d958 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseError.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseError.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseException.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseException.java
index ab85cc461ae60..711c2b61dbb86 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseException.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseUtils.java
index 17b2d84933f5f..9a1c50a8f05c6 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/sql/parse/ParseUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql.parse;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/AuthUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/AuthUtils.java
index 3f7de77a15def..592a6252c5034 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/AuthUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/AuthUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/CommonUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/CommonUtils.java
index 9f6d135e8cde0..d25606971bd5b 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/CommonUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/CommonUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/FileSchemaUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/FileSchemaUtils.java
index f0cb2d64b983b..6db7deed99657 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/FileSchemaUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/FileSchemaUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/FileUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/FileUtils.java
index 78cef9a926626..114110b5a7d9f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/FileUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/FileUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/IOUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/IOUtils.java
index 8120813e50c9a..d644ab30a6813 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/IOUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/IOUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/LoadDataUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/LoadDataUtils.java
index 500de42e4e9cf..206370080c265 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/LoadDataUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/LoadDataUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/MemUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/MemUtils.java
index 8887cbd366210..11b012990044a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/MemUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/MemUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/OpenFileNumUtil.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/OpenFileNumUtil.java
index 6cf57706b258b..b690b11a50b3d 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/OpenFileNumUtil.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/OpenFileNumUtil.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/PostbackUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/PostbackUtils.java
index ce16554ac0c68..d525d6b2941b9 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/PostbackUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/PostbackUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayList.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayList.java
index dbb777aa039c7..0ab7d3b6410f7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayList.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayList.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayListFactory.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayListFactory.java
index 695a5eed1423b..ba7f43ac4130a 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayListFactory.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/PrimitiveArrayListFactory.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/RandomDeleteCache.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/RandomDeleteCache.java
index 51a7a2ac09b2e..b07f8941b5091 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/RandomDeleteCache.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/RandomDeleteCache.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/RecordUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/RecordUtils.java
index 5d57a3e3cd35f..954fa96217340 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/RecordUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/RecordUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePair.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePair.java
index 9f5eac9984e9c..fdcbd4f87eb99 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePair.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePair.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePairUtils.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePairUtils.java
index 6f3f41a5a39fc..a9a0e526b4064 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePairUtils.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/TimeValuePairUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/utils/TsPrimitiveType.java b/iotdb/src/main/java/org/apache/iotdb/db/utils/TsPrimitiveType.java
index e5777b0fcc523..2466eeeb56fba 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/utils/TsPrimitiveType.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/utils/TsPrimitiveType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/LogPosition.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/LogPosition.java
index eb5c862ad5b8f..b9e7aa826a1d4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/LogPosition.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/LogPosition.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/RecoverStage.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/RecoverStage.java
index e8723ed63c16b..1b3d7057bc1a7 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/RecoverStage.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/RecoverStage.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogReader.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogReader.java
index 10724f143c16d..e0d52758e6a8c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.io;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogWriter.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogWriter.java
index 694bf1f0f3d3c..080b41ffec61c 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogWriter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/ILogWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.io;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/LogWriter.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/LogWriter.java
index 863a9ae076e70..58104a5457ee4 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/LogWriter.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/LogWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.io;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/RAFLogReader.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/RAFLogReader.java
index 9f50d7dddb2e8..ba3bd9fadd2db 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/RAFLogReader.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/io/RAFLogReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.io;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/MultiFileLogNodeManager.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/MultiFileLogNodeManager.java
index 4a5fbcf39d3bc..7fac56e8aaac5 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/MultiFileLogNodeManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/MultiFileLogNodeManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.manager;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/WriteLogNodeManager.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/WriteLogNodeManager.java
index 8d61686a76cd3..cf0339bc3db8e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/WriteLogNodeManager.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/manager/WriteLogNodeManager.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.manager;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/ExclusiveWriteLogNode.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/ExclusiveWriteLogNode.java
index 1d94c194237cc..3ebbfc9984f3f 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/ExclusiveWriteLogNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/ExclusiveWriteLogNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.node;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/WriteLogNode.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/WriteLogNode.java
index 450053dbc1476..fb53388d4b613 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/WriteLogNode.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/node/WriteLogNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.node;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/ExclusiveLogRecoverPerformer.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/ExclusiveLogRecoverPerformer.java
index b4004dd8177e5..3b95bae799740 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/ExclusiveLogRecoverPerformer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/ExclusiveLogRecoverPerformer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.recover;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/FileNodeRecoverPerformer.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/FileNodeRecoverPerformer.java
index 4682ebc302615..ab015c609c7cd 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/FileNodeRecoverPerformer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/FileNodeRecoverPerformer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.recover;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/RecoverPerformer.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/RecoverPerformer.java
index 6a5de2b6955c9..d1610efbcb776 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/RecoverPerformer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/recover/RecoverPerformer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.recover;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/ConcreteLogReplayer.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/ConcreteLogReplayer.java
index d63e731070c67..10ba6853ddbfa 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/ConcreteLogReplayer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/ConcreteLogReplayer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.replay;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/LogReplayer.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/LogReplayer.java
index 214750d34ead7..1510f00a811bc 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/LogReplayer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/replay/LogReplayer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.replay;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/Codec.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/Codec.java
index cac483d303e2a..90a2bc602a750 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/Codec.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/Codec.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.transfer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanCodec.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanCodec.java
index f1303fa510758..ea7a78d1e3e7e 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanCodec.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanCodec.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.transfer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanLogTransfer.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanLogTransfer.java
index def47f826c285..9fc4d808ce3db 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanLogTransfer.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/PhysicalPlanLogTransfer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.transfer;
 
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/SystemLogOperator.java b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/SystemLogOperator.java
index 664703ddecd3d..ccd44f01ed0a2 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/SystemLogOperator.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/writelog/transfer/SystemLogOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.transfer;
 
diff --git a/iotdb/src/test/java/PerformanceTest.java b/iotdb/src/test/java/PerformanceTest.java
index 0d30529edf4d0..c7a9213a357c8 100644
--- a/iotdb/src/test/java/PerformanceTest.java
+++ b/iotdb/src/test/java/PerformanceTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 import java.io.IOException;
 import java.util.ArrayList;
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFIleRoleAccessorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFIleRoleAccessorTest.java
index 13334d86b1ee1..7f8ab49f969e1 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFIleRoleAccessorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFIleRoleAccessorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileAuthorizerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileAuthorizerTest.java
index 8e6330360f4b1..421709073c33d 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileAuthorizerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileAuthorizerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileRoleManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileRoleManagerTest.java
index 09fe666498a1e..11049e2335719 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileRoleManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileRoleManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserAccessorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserAccessorTest.java
index b377573311063..6fbbf4f7bb27c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserAccessorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserAccessorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserManagerTest.java
index 0370d1f1b7ee0..4cb3dcd48e00c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/auth/LocalFileUserManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.auth;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandlerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandlerTest.java
index 3cf55c950c2e9..a90d331136deb 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandlerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBDefaultThreadExceptionHandlerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactoryTest.java b/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactoryTest.java
index 5a8cf9f6404d2..40c81791f7ee3 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactoryTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/concurrent/IoTDBThreadPoolFactoryTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.concurrent;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java
index bdbbe38a362bf..59b26858fae96 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/PathUtils.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/PathUtils.java
index 5c49bded60fdd..2909258c45b31 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/PathUtils.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/PathUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/ProcessorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/ProcessorTest.java
index b8bdfa43fb399..22cc44a1a8a61 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/ProcessorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/ProcessorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteBenchmark.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteBenchmark.java
index d5d983e3088cb..8fb564db4cf15 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteBenchmark.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteBenchmark.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorNewTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorNewTest.java
index 49283851d0d04..490f408b4fd6f 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorNewTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorNewTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorTest.java
index 6c7f53db34c34..5fc74634cfad4 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriterTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriterTest.java
index a267a41088cfa..5762a451868cb 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriterTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/bufferwrite/RestorableTsFileIOWriterTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.bufferwrite;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/filenode/SerializeUtilTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/filenode/SerializeUtilTest.java
index 18aa7ced5bb59..5411b46b7a675 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/filenode/SerializeUtilTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/filenode/SerializeUtilTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenode;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/filenodev2/FileNodeManagerBenchmark.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/filenodev2/FileNodeManagerBenchmark.java
index ec1ad5a4e8a67..97f2383e0c314 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/filenodev2/FileNodeManagerBenchmark.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/filenodev2/FileNodeManagerBenchmark.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.filenodev2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteFileSizeControlTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteFileSizeControlTest.java
index be9bdaaa59ee1..49fa52a20325b 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteFileSizeControlTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteFileSizeControlTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteMetaSizeControlTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteMetaSizeControlTest.java
index c9bef10c932ca..b86ca47106f86 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteMetaSizeControlTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/BufferwriteMetaSizeControlTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/IoTDBMemControlTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/IoTDBMemControlTest.java
index 5fa5cbd6e9298..8e2b8d154ed1c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/IoTDBMemControlTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/IoTDBMemControlTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/MemControllerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/MemControllerTest.java
index 643bfd985de0c..f9ac4cec3e653 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/MemControllerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/MemControllerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowFileSizeControlTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowFileSizeControlTest.java
index f18dd12f99cef..c5417e264bee1 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowFileSizeControlTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowFileSizeControlTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowMetaSizeControlTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowMetaSizeControlTest.java
index 6feeb94f8f2da..1fcacb372ebee 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowMetaSizeControlTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memcontrol/OverflowMetaSizeControlTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memcontrol;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemTableTestUtils.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemTableTestUtils.java
index c979597ccea37..ea5d174ad1cb9 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemTableTestUtils.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemTableTestUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemtableBenchmark.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemtableBenchmark.java
index b453ce62dc10e..cf5dfa37f5369 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemtableBenchmark.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/MemtableBenchmark.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java
index fafa6e2f7c15f..e7f4ce7fe9312 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTableTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.memtable;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIOTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIOTest.java
index 4eb3d449b80af..9fd7e7a12cf9f 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIOTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowIOTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorBenchmark.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorBenchmark.java
index 4b05859d9cb9d..ac623331ec812 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorBenchmark.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorBenchmark.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorTest.java
index fe7e2caf79841..ae352dadb546f 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowProcessorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResourceTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResourceTest.java
index a4e21b504271e..eb5de0fdefaea 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResourceTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowResourceTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupportTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupportTest.java
index b24bab37d5ecc..616696fd07c7c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupportTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowSupportTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowTestUtils.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowTestUtils.java
index 9486e5374a563..80751eead37fb 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowTestUtils.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/ioV2/OverflowTestUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.ioV2;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadataTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadataTest.java
index 7d37e6b3f1d69..715fe364223a6 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadataTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFFileMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadataTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadataTest.java
index 2333a7cd03921..138a29e6eba90 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadataTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFRowGroupListMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadataTest.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadataTest.java
index 4377989113559..7216731f98883 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadataTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OFSeriesListMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowTestHelper.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowTestHelper.java
index 63fcbf4e2aa4a..9b66886740a91 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowTestHelper.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowTestHelper.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowUtils.java b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowUtils.java
index 94eff77942895..a60f9e102dcef 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowUtils.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/engine/overflow/metadata/OverflowUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.engine.overflow.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/exception/ExceptionBuilderTest.java b/iotdb/src/test/java/org/apache/iotdb/db/exception/ExceptionBuilderTest.java
index 16a1724567198..59b9a4f78d723 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/exception/ExceptionBuilderTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/exception/ExceptionBuilderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.exception;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/Constant.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/Constant.java
index eb1987d0a2e1b..256b8f2a5e811 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/Constant.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/Constant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBAuthorizationIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBAuthorizationIT.java
index 331524cbadc8e..abf32e9d46b26 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBAuthorizationIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBAuthorizationIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBCompleteIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBCompleteIT.java
index 7ca7b745afb00..c50b76d2d96a3 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBCompleteIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBCompleteIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBDaemonIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBDaemonIT.java
index d3157aa942694..ab65f6b81198c 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBDaemonIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBDaemonIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBEngineTimeGeneratorIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBEngineTimeGeneratorIT.java
index 5157af21efbe2..c7ca5233b1224 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBEngineTimeGeneratorIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBEngineTimeGeneratorIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLargeDataIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLargeDataIT.java
index 04b6d532d3cdb..ffc429a307bd9 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLargeDataIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLargeDataIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLimitSlimitIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLimitSlimitIT.java
index e2b4c90ef8dde..659cd1efde74a 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLimitSlimitIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBLimitSlimitIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMetadataFetchIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMetadataFetchIT.java
index e294f143a20ec..37f2bd7284e70 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMetadataFetchIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMetadataFetchIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMultiSeriesIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMultiSeriesIT.java
index ffa118ca54814..018c325a06069 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMultiSeriesIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBMultiSeriesIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSequenceDataQueryIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSequenceDataQueryIT.java
index faf57fdc08c47..821e162feef8b 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSequenceDataQueryIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSequenceDataQueryIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSeriesReaderIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSeriesReaderIT.java
index aee2b8978e666..86b6812a13895 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSeriesReaderIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBSeriesReaderIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBTimeZoneIT.java b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBTimeZoneIT.java
index 88d93d2b57de5..6e954d01cffb6 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBTimeZoneIT.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/integration/IoTDBTimeZoneIT.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.integration;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerAdvancedTest.java b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerAdvancedTest.java
index 020572c5b29a6..4a92d97f2597d 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerAdvancedTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerAdvancedTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerBasicTest.java b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerBasicTest.java
index 8a15cd5b75163..e82e5bd9ac16b 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerBasicTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerBasicTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerEfficiencyTest.java b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerEfficiencyTest.java
index cec0167a6aadc..7cb52efce7e4a 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerEfficiencyTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerEfficiencyTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerImproveTest.java b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerImproveTest.java
index 7fdccab711a77..721c1ce109a05 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerImproveTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MManagerImproveTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MTreeTest.java b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MTreeTest.java
index 30da878e82dd8..1888cd4988f82 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/metadata/MTreeTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/metadata/MTreeTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.metadata;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/monitor/MonitorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/monitor/MonitorTest.java
index ffbbbb94aaf6a..ef9a1a80610d2 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/monitor/MonitorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/monitor/MonitorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.monitor;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/FileManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/FileManagerTest.java
index 934dd515d4487..bae604311f765 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/FileManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/FileManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.sender;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/IoTDBSingleClientPostBackTest.java b/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/IoTDBSingleClientPostBackTest.java
index 76ba70f1255ac..8fde0cd1e4dee 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/IoTDBSingleClientPostBackTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/IoTDBSingleClientPostBackTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.sender;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/MultipleClientPostBackTest.java b/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/MultipleClientPostBackTest.java
index 4010346a43529..77c102cf57bfd 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/MultipleClientPostBackTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/postback/sender/MultipleClientPostBackTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.postback.sender;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/bench/QueryParseBenchmark.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/bench/QueryParseBenchmark.java
index a24afcbec0209..dd3105e63d783 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/bench/QueryParseBenchmark.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/bench/QueryParseBenchmark.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.bench;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextAuthorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextAuthorTest.java
index 6b8fc6bec318d..30d369ecf9cad 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextAuthorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextAuthorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.other;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextPropertyTest.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextPropertyTest.java
index f513ed519eda8..3db5957ca3be7 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextPropertyTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/other/TSPlanContextPropertyTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.other;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/LogicalPlanSmallTest.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/LogicalPlanSmallTest.java
index dc9ba25c85c9c..f8786a9771b68 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/LogicalPlanSmallTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/LogicalPlanSmallTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.plan;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/PhysicalPlanTest.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/PhysicalPlanTest.java
index c3baf92b3fb6a..d8ebfa9be42f7 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/PhysicalPlanTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/PhysicalPlanTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.plan;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/QPUpdateTest.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/QPUpdateTest.java
index ebfbb20ff284b..83d4906b110c1 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/QPUpdateTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/QPUpdateTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.plan;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/TestConcatOptimizer.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/TestConcatOptimizer.java
index dd5c0b1e74f97..e737d8c7e9a8e 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/TestConcatOptimizer.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/plan/TestConcatOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.plan;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/strategy/LogicalGeneratorTest.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/strategy/LogicalGeneratorTest.java
index 59bcc54f10f0a..093fd9301fee4 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/strategy/LogicalGeneratorTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/strategy/LogicalGeneratorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.strategy;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/qp/utils/MemIntQpExecutor.java b/iotdb/src/test/java/org/apache/iotdb/db/qp/utils/MemIntQpExecutor.java
index 36e6aa11aa330..c80bfcfd9a39b 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/qp/utils/MemIntQpExecutor.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/qp/utils/MemIntQpExecutor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.qp.utils;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/component/SimpleFileWriter.java b/iotdb/src/test/java/org/apache/iotdb/db/query/component/SimpleFileWriter.java
index 1f9f8e6ea0847..da4a4fa0fc12b 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/component/SimpleFileWriter.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/component/SimpleFileWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.component;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/control/FileReaderManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/control/FileReaderManagerTest.java
index 89c17814690fb..5675fc66092ea 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/control/FileReaderManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/control/FileReaderManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/control/OpenedFilePathsManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/control/OpenedFilePathsManagerTest.java
index 000fdafa10e72..fc6ef6bb4ccaa 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/control/OpenedFilePathsManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/control/OpenedFilePathsManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/control/QueryTokenManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/control/QueryTokenManagerTest.java
index da59bff407ca9..eb6a389cc3cb5 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/control/QueryTokenManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/control/QueryTokenManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.control;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestampTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestampTest.java
index 8355330fea963..03771e80fa748 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestampTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderByTimestampTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.merge;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderTest.java
index 634147ece05ae..66ecf06bedf92 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/PriorityMergeReaderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.merge;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/SeriesMergeSortReaderTest.java b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/SeriesMergeSortReaderTest.java
index 0833736d9603b..f27948e7d6ad3 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/SeriesMergeSortReaderTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/query/reader/merge/SeriesMergeSortReaderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.query.reader.merge;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/script/IoTDBStartServerScriptTest.java b/iotdb/src/test/java/org/apache/iotdb/db/script/IoTDBStartServerScriptTest.java
index 9aad044adb76f..f798267667e45 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/script/IoTDBStartServerScriptTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/script/IoTDBStartServerScriptTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.script;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java b/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java
index 000465e52ac6f..e6a2da20e0608 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/sql/DatetimeUtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/sql/SQLParserTest.java b/iotdb/src/test/java/org/apache/iotdb/db/sql/SQLParserTest.java
index 819aeb311eff1..03a09dbc1a2ce 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/sql/SQLParserTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/sql/SQLParserTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.sql;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/utils/EnvironmentUtils.java b/iotdb/src/test/java/org/apache/iotdb/db/utils/EnvironmentUtils.java
index f1a26ddc2987b..3b0c5996ffe27 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/utils/EnvironmentUtils.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/utils/EnvironmentUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/utils/OpenFileNumUtilTest.java b/iotdb/src/test/java/org/apache/iotdb/db/utils/OpenFileNumUtilTest.java
index 69d2640bcb9b5..7bf239886e55f 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/utils/OpenFileNumUtilTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/utils/OpenFileNumUtilTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/utils/PrimitiveArrayListTest.java b/iotdb/src/test/java/org/apache/iotdb/db/utils/PrimitiveArrayListTest.java
index 288d2317cf8ca..44c47515d32f5 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/utils/PrimitiveArrayListTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/utils/PrimitiveArrayListTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.utils;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/writelog/IoTDBLogFileSizeTest.java b/iotdb/src/test/java/org/apache/iotdb/db/writelog/IoTDBLogFileSizeTest.java
index fdf8f8dd920c5..20d74cab4d7ed 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/writelog/IoTDBLogFileSizeTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/writelog/IoTDBLogFileSizeTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/writelog/PerformanceTest.java b/iotdb/src/test/java/org/apache/iotdb/db/writelog/PerformanceTest.java
index ad33c0ee46730..c21bed24c58ff 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/writelog/PerformanceTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/writelog/PerformanceTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/writelog/RecoverTest.java b/iotdb/src/test/java/org/apache/iotdb/db/writelog/RecoverTest.java
index 637986dcff524..08bbe382c8e0d 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/writelog/RecoverTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/writelog/RecoverTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeManagerTest.java b/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeManagerTest.java
index e1ba74fe49dba..448ef2c6a98c2 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeManagerTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeManagerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeTest.java b/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeTest.java
index ac7874dd19710..26caf61a7fecf 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/writelog/WriteLogNodeTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog;
 
diff --git a/iotdb/src/test/java/org/apache/iotdb/db/writelog/io/LogWriterReaderTest.java b/iotdb/src/test/java/org/apache/iotdb/db/writelog/io/LogWriterReaderTest.java
index 2027466e543f1..4ba32ef3bbda9 100644
--- a/iotdb/src/test/java/org/apache/iotdb/db/writelog/io/LogWriterReaderTest.java
+++ b/iotdb/src/test/java/org/apache/iotdb/db/writelog/io/LogWriterReaderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.db.writelog.io;
 
diff --git a/iotdb/src/test/resources/start-postBackTest.sh b/iotdb/src/test/resources/start-postBackTest.sh
index 2acac542bfb05..7ad92269c3133 100644
--- a/iotdb/src/test/resources/start-postBackTest.sh
+++ b/iotdb/src/test/resources/start-postBackTest.sh
@@ -1,4 +1,22 @@
 #!/bin/sh
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
 
 if [ -z "${IOTDB_HOME}" ]; then
   export IOTDB_HOME="$(cd "`dirname "$0"`"/..;cd ".."; cd ".."; cd "iotdb" ;pwd)"
diff --git a/iotdb/src/test/resources/stop-postBackTest.sh b/iotdb/src/test/resources/stop-postBackTest.sh
index 3cb608dd0a788..cdddbf5b50200 100644
--- a/iotdb/src/test/resources/stop-postBackTest.sh
+++ b/iotdb/src/test/resources/stop-postBackTest.sh
@@ -1,4 +1,22 @@
 #!/bin/sh
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
 
 PIDS=$(ps ax | grep -i 'postBackTest' | grep java | grep -v grep | awk '{print $1}')
 
diff --git a/java-google-style.xml b/java-google-style.xml
index 83ee2685a53cc..0daaf72544ca6 100644
--- a/java-google-style.xml
+++ b/java-google-style.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <code_scheme name="GoogleStyle">
diff --git a/jdbc/README.md b/jdbc/README.md
index 4b85d2ec2a1bf..0921cd5f78570 100644
--- a/jdbc/README.md
+++ b/jdbc/README.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # Usage
 
 ## Dependencies
diff --git a/jdbc/example/readme.md b/jdbc/example/readme.md
index 5e8dc2be997d0..4823c79b71ac8 100644
--- a/jdbc/example/readme.md
+++ b/jdbc/example/readme.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # Function
 ```
 The example is to show how to send data from localhost to IoTDB through Kafka.
diff --git a/jdbc/example/src/main/java/org/apache/iotdb/jdbc/jdbcDemo/SendDataToIotdb.java b/jdbc/example/src/main/java/org/apache/iotdb/jdbc/jdbcDemo/SendDataToIotdb.java
index 966627d9bac5e..794fa568dd22f 100644
--- a/jdbc/example/src/main/java/org/apache/iotdb/jdbc/jdbcDemo/SendDataToIotdb.java
+++ b/jdbc/example/src/main/java/org/apache/iotdb/jdbc/jdbcDemo/SendDataToIotdb.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
  * The class is to show how to write and read date from IoTDB through JDBC
diff --git a/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaConsumer.java b/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaConsumer.java
index 9ebd32b2a4c08..0595b11a9e96a 100644
--- a/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaConsumer.java
+++ b/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaConsumer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
  * The class is to show how to get data from kafka through multi-threads.
diff --git a/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaProducer.java b/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaProducer.java
index 84ab985d0707c..07390d997cef4 100644
--- a/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaProducer.java
+++ b/jdbc/example/src/main/java/org/apache/iotdb/jdbc/kafka_iotdbDemo/KafkaProducer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
  * The class is to show how to send data to kafka
diff --git a/jdbc/package.sh b/jdbc/package.sh
index 60754953b3426..72c379b3ffef0 100755
--- a/jdbc/package.sh
+++ b/jdbc/package.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 echo "Package iotdb-jdbc..."
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 800591fbfe31f..40c412417c036 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -97,6 +96,15 @@
                     <skipITs>${jdbc.it.skip}</skipITs>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.rat</groupId>
+                <artifactId>apache-rat-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>example/data/kafka_data.csv</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
     <profiles>
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/Config.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/Config.java
index a47fcfa138922..a1ee68fa99461 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/Config.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/Config.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/Constant.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/Constant.java
index ff5c13de6fe30..d6d72854bca59 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/Constant.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/Constant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnection.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnection.java
index d5b9b3e950330..1618a62351d70 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnection.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnection.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnectionParams.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnectionParams.java
index 5f8452d8b7996..07878121adc8a 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnectionParams.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBConnectionParams.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadata.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadata.java
index 82d1eb001f0c6..a708904bc7e3d 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadata.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDriver.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDriver.java
index a0965bfdd05d6..aae8fb7f07f0d 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDriver.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBDriver.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadata.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadata.java
index 56bef321430b8..40090829bc28d 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadata.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultSet.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultSet.java
index 20ac4d2ac532d..3d56da4ae04b6 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultSet.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBMetadataResultSet.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBPrepareStatement.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBPrepareStatement.java
index cdb8f2320e652..45df785b5d178 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBPrepareStatement.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBPrepareStatement.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBQueryResultSet.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBQueryResultSet.java
index c4b8f6480b44c..83159dd7f1aec 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBQueryResultSet.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBQueryResultSet.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBResultMetadata.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBResultMetadata.java
index 0878d5650ff5c..466809564f90c 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBResultMetadata.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBResultMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBSQLException.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBSQLException.java
index e70aca8384bb8..4c543df73f793 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBSQLException.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBSQLException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBStatement.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBStatement.java
index ea5d5ecebdfef..084a6ca134d35 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBStatement.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBStatement.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBURLException.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBURLException.java
index 69bd774f880f0..ba3873919ff8f 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBURLException.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/IoTDBURLException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/main/java/org/apache/iotdb/jdbc/Utils.java b/jdbc/src/main/java/org/apache/iotdb/jdbc/Utils.java
index a9e65eecccb4b..847555083e348 100644
--- a/jdbc/src/main/java/org/apache/iotdb/jdbc/Utils.java
+++ b/jdbc/src/main/java/org/apache/iotdb/jdbc/Utils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/BatchTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/BatchTest.java
index ef46846bb82eb..912019d3c07d6 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/BatchTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/BatchTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBConnectionTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBConnectionTest.java
index 67b8ddb1b4b8c..bc511b0dd38c5 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBConnectionTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBConnectionTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadataTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadataTest.java
index 8cf9341fde9af..92b5cf7dbd2fd 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadataTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBDatabaseMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadataTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadataTest.java
index 709b1b4821c61..5caf6ee0d4c5e 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadataTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBMetadataResultMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBPrepareStatementTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBPrepareStatementTest.java
index de0f789b70e5a..1b60ec81a54a6 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBPrepareStatementTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBPrepareStatementTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBQueryResultSetTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBQueryResultSetTest.java
index 1d866c20ebf4f..7cd3ded8bc367 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBQueryResultSetTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBQueryResultSetTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBResultMetadataTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBResultMetadataTest.java
index f1b929eaaa988..2796ea5798b11 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBResultMetadataTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBResultMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBStatementTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBStatementTest.java
index 1e6005ec9f0c3..d8632fc92590b 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBStatementTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/IoTDBStatementTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/UtilsTest.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/UtilsTest.java
index 475155ce4b541..ff6650dce7d32 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/UtilsTest.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/UtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/MetadataDemo.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/MetadataDemo.java
index 5bd9eae2313d6..41c22d3805ce8 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/MetadataDemo.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/MetadataDemo.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc.demo;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/PrepareStatementDemo.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/PrepareStatementDemo.java
index c7a4c35851838..3f0e3a0d5137e 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/PrepareStatementDemo.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/PrepareStatementDemo.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc.demo;
 
diff --git a/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/StatementDemo.java b/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/StatementDemo.java
index 33cc02905bbbe..a122e8a00fd82 100644
--- a/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/StatementDemo.java
+++ b/jdbc/src/test/java/org/apache/iotdb/jdbc/demo/StatementDemo.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.jdbc.demo;
 
diff --git a/jenkins.pom b/jenkins.pom
index 5227ebb5c65fd..dab9a4b82cb06 100644
--- a/jenkins.pom
+++ b/jenkins.pom
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
diff --git a/mvnw.cmd b/mvnw.cmd
index 822735351b87d..fbe6a9f41e2ee 100644
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -1,6 +1,4 @@
 @REM
-@REM Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-@REM
 @REM Licensed to the Apache Software Foundation (ASF) under one
 @REM or more contributor license agreements.  See the NOTICE file
 @REM distributed with this work for additional information
@@ -11,11 +9,12 @@
 @REM
 @REM     http://www.apache.org/licenses/LICENSE-2.0
 @REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
 @REM
 
 @REM ----------------------------------------------------------------------------
diff --git a/mvnw.sh b/mvnw.sh
index 735e74e1245cc..f448a403b2bb9 100755
--- a/mvnw.sh
+++ b/mvnw.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 
diff --git a/pom.xml b/pom.xml
index a7c8fdf524152..e713a83ec59e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -174,6 +173,36 @@
                     <artifactId>sonar-maven-plugin</artifactId>
                     <version>3.6.0.1398</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.rat</groupId>
+                    <artifactId>apache-rat-plugin</artifactId>
+                    <configuration>
+                        <excludes>
+                            <!-- Git related files -->
+                            <exclude>**/.git/**</exclude>
+                            <exclude>**/.gitignore</exclude>
+                            <!-- Maven related files -->
+                            <exclude>**/target/**</exclude>
+                            <!-- Eclipse related files -->
+                            <exclude>**/.project</exclude>
+                            <exclude>**/.settings/**</exclude>
+                            <exclude>**/.classpath</exclude>
+                            <!-- IntelliJ related files -->
+                            <exclude>**/.idea/**</exclude>
+                            <exclude>**/*.iml</exclude>
+                            <!-- Runtime log -->
+                            <exclude>**/*.log</exclude>
+                            <!-- licenses-binary -->
+                            <exclude>licenses-binary/*</exclude>
+                            <!-- generated by Github -->
+                            <exclude>.github/**</exclude>
+                            <!--Checkstyle files -->
+                            <exclude>.checkstyle</exclude>
+                            <!--Generated by Apache Release -->
+                            <exclude>local-snapshots-dir/**</exclude>
+                        </excludes>
+                    </configuration>
+                </plugin>
             </plugins>
         </pluginManagement>
         <plugins>
@@ -275,7 +304,10 @@
                     <configLocation>checkstyle.xml</configLocation>
                 </configuration>
             </plugin>
-            <plugin>
+            <!-- use mvn license:remove to remove license header; mvn license:format -->
+            <!-- we do not recommend using the plugin because it maybe out of control
+            (adding headers in some files that you do not want) -->
+            <!-- <plugin>
                 <groupId>com.mycila</groupId>
                 <artifactId>license-maven-plugin</artifactId>
                 <version>3.0</version>
@@ -292,8 +324,9 @@
                     </mapping>
                     <excludes>
                         <exclude>**/README.md</exclude>
-                        <exclude>**/src/test/resources/**</exclude>
-                        <exclude>**/src/main/resources/**</exclude>
+                        <exclude>**/src/test/resources/*.json</exclude>
+                        <exclude>**/src/main/resources/*.json</exclude>
+                        <exclude>jdbc/example/data/*.csv</exclude>
                         <exclude>**/*.log</exclude>
                         <exclude>licenses-binary/*</exclude>
                         <exclude>.checkstyle</exclude>
@@ -311,47 +344,24 @@
                         </goals>
                     </execution>
                 </executions>
-            </plugin>
+            </plugin> -->
             <!--
               Check if all files contain Apache headers in them.
               Ignore this plugin, we use license-maven-plugin to check apache header.
             -->
-            <!-- 			<plugin>
-              <groupId>org.apache.rat</groupId>
-              <artifactId>apache-rat-plugin</artifactId>
-              <executions>
-                <execution>
-                  <id>license-check</id>
-                  <phase>verify</phase>
-                  <goals>
-                    <goal>check</goal>
-                  </goals>
-                </execution>
-              </executions>
-              <configuration>
-                Should be enabled as soon as the headers are in position
-                <skip>true</skip>
-                <excludes>
-                  Git related files
-                  <exclude>**/.git/**</exclude>
-                  <exclude>**/.gitignore</exclude>
-
-                  Maven related files
-                  <exclude>**/target/**</exclude>
-
-                  Eclipse related files
-                  <exclude>**/.project</exclude>
-                  <exclude>**/.settings/**</exclude>
-                  <exclude>**/.classpath</exclude>
-
-                  IntelliJ related files
-                  <exclude>**/.idea/**</exclude>
-                  <exclude>**/*.iml</exclude>
-                  Runtime log
-                  <exclude>**/*.log</exclude>
-                </excludes>
-              </configuration>
-            </plugin> -->
+            <plugin>
+                <groupId>org.apache.rat</groupId>
+                <artifactId>apache-rat-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>license-check</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <!--use `mvn cobertura:cobertura` -->
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
diff --git a/service-rpc/pom.xml b/service-rpc/pom.xml
index 038b953c60527..c5097ec210fe9 100644
--- a/service-rpc/pom.xml
+++ b/service-rpc/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/service-rpc/src/main/thrift/rpc.thrift b/service-rpc/src/main/thrift/rpc.thrift
index 3a45452127ea2..c603ae0fdef8a 100644
--- a/service-rpc/src/main/thrift/rpc.thrift
+++ b/service-rpc/src/main/thrift/rpc.thrift
@@ -1,6 +1,4 @@
 /*
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 namespace java org.apache.iotdb.service.rpc.thrift
 
diff --git a/spark/pom.xml b/spark/pom.xml
index c24870a0d5231..f064753ea460b 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/io/CreateTSFile.java b/spark/src/main/java/org/apache/iotdb/tsfile/io/CreateTSFile.java
index 5fd225e2706ab..8fce7d11174ee 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/io/CreateTSFile.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/io/CreateTSFile.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.io;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSInputStream.java b/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSInputStream.java
index d0c93cc9cf224..8d67fe66305c5 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSInputStream.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSInputStream.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.io;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSOutputStream.java b/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSOutputStream.java
index e6afe2d40ed58..9057432c95e9c 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSOutputStream.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/io/HDFSOutputStream.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.io;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileOutputFormat.java b/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileOutputFormat.java
index 35f6dce42aab5..57faa129aa281 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileOutputFormat.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileOutputFormat.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.io;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileRecordWriter.java b/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileRecordWriter.java
index 27794bf4850fe..1fce40c9648b3 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileRecordWriter.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/io/TsFileRecordWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.io;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
index e57192fef05d1..bfcbbae48856a 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/Executor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
index 5720bb3e69082..62dabe80bfb6d 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/QueryProcessor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
index afdefc9658a1f..c3a893c9917a8 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/BasicOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.common;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
index bb07d09b3547e..96b4d89856c55 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/FilterOperator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.common;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
index 7b86ddcf52731..684e0e50772fe 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/Operator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.common;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
index 5b337e62ae77c..76234e46aa4d9 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SQLConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.common;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
index 3ceb0ea01a19a..2b0365201b42c 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/SingleQuery.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.common;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
index 2cf476f8983db..e412f9631205e 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/common/TSQueryPlan.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.common;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
index 73fdc0bcd27cd..be36f35203475 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/BasicOperatorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
index b9db4f36388a9..c27ef5506a76c 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/DNFOptimizeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
index 8d1b21e2d9c63..4606824b867d6 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/LogicalOptimizeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
index 7ac5163b5eb97..114d5b6666b71 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/MergeFilterException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
index 63990b0a7123f..fc9f177b103e1 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryOperatorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
index 3b467f16d46d2..9aba40f16ddc0 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/QueryProcessorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
index 94438018dcbb9..df4f6e48335ec 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/exception/RemoveNotException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.exception;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
index 685e24f42bfb1..6b9b4fe435619 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/DNFFilterOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.optimizer;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
index 61793d4ca06c5..44d00fc35a9a3 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/IFilterOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.optimizer;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
index 5f1bce4a899c0..1bc6273099f1c 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/MergeSingleFilterOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.optimizer;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
index 127059c340490..57753ab4ff75e 100644
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/PhysicalOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.optimizer;
 
diff --git a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
index 9cd71cf11d0d7..33396eab768f6 100755
--- a/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
+++ b/spark/src/main/java/org/apache/iotdb/tsfile/qp/optimizer/RemoveNotOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.qp.optimizer;
 
diff --git a/spark/src/main/scala/org/apache/iotdb/tsfile/Converter.scala b/spark/src/main/scala/org/apache/iotdb/tsfile/Converter.scala
index 0c2eb63c76763..0ca5aeb521a59 100755
--- a/spark/src/main/scala/org/apache/iotdb/tsfile/Converter.scala
+++ b/spark/src/main/scala/org/apache/iotdb/tsfile/Converter.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/spark/src/main/scala/org/apache/iotdb/tsfile/DefaultSource.scala b/spark/src/main/scala/org/apache/iotdb/tsfile/DefaultSource.scala
index 498fea6a1f872..1b2a80050d7b0 100755
--- a/spark/src/main/scala/org/apache/iotdb/tsfile/DefaultSource.scala
+++ b/spark/src/main/scala/org/apache/iotdb/tsfile/DefaultSource.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileOutputWriter.scala b/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileOutputWriter.scala
index f8041af02fc45..3a17f6d271ab2 100644
--- a/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileOutputWriter.scala
+++ b/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileOutputWriter.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileWriterFactory.scala b/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileWriterFactory.scala
index 8cf3a1e5615af..1b9e2ef4c8686 100644
--- a/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileWriterFactory.scala
+++ b/spark/src/main/scala/org/apache/iotdb/tsfile/TsFileWriterFactory.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/spark/src/main/scala/org/apache/iotdb/tsfile/package.scala b/spark/src/main/scala/org/apache/iotdb/tsfile/package.scala
index 6450bb8be31f8..c8e17b4d0477f 100755
--- a/spark/src/main/scala/org/apache/iotdb/tsfile/package.scala
+++ b/spark/src/main/scala/org/apache/iotdb/tsfile/package.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/spark/src/test/scala/cn/edu/tsinghua/tsfile/ConverterTest.scala b/spark/src/test/scala/cn/edu/tsinghua/tsfile/ConverterTest.scala
index 9218a2e6a5858..55713be9de486 100644
--- a/spark/src/test/scala/cn/edu/tsinghua/tsfile/ConverterTest.scala
+++ b/spark/src/test/scala/cn/edu/tsinghua/tsfile/ConverterTest.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/spark/src/test/scala/cn/edu/tsinghua/tsfile/TSFileSuit.scala b/spark/src/test/scala/cn/edu/tsinghua/tsfile/TSFileSuit.scala
index 03dd4912c582b..93bf848444342 100644
--- a/spark/src/test/scala/cn/edu/tsinghua/tsfile/TSFileSuit.scala
+++ b/spark/src/test/scala/cn/edu/tsinghua/tsfile/TSFileSuit.scala
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
   * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
diff --git a/tsfile/README.md b/tsfile/README.md
index 19d4ad67aaf48..b8977fdcc4900 100644
--- a/tsfile/README.md
+++ b/tsfile/README.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # TsFile Document
 <pre>
 ___________    ___________.__.__          
diff --git a/tsfile/example/readme.md b/tsfile/example/readme.md
index aa1ea70c7f442..1a324f5b947b0 100644
--- a/tsfile/example/readme.md
+++ b/tsfile/example/readme.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
 # Function
 ```
 The example is to show how to write and read a TsFile File.
diff --git a/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileRead.java b/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileRead.java
index d8fd0e328f757..ce341db0ca0fc 100644
--- a/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileRead.java
+++ b/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileRead.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile;
 
diff --git a/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileSequenceRead.java b/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileSequenceRead.java
index 5c71cb87b1092..79a7ffc62e957 100644
--- a/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileSequenceRead.java
+++ b/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileSequenceRead.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile;
 
diff --git a/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileWrite.java b/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileWrite.java
index 604860eb949d1..37b69be1ecdce 100644
--- a/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileWrite.java
+++ b/tsfile/example/src/main/java/cn/edu/tsinghua/tsfile/TsFileWrite.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 /**
  * There are two ways to construct a TsFile instance,they generate the same TsFile file.
diff --git a/tsfile/package.sh b/tsfile/package.sh
index 12579d757be7c..9ae2a845461e4 100755
--- a/tsfile/package.sh
+++ b/tsfile/package.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -12,11 +10,12 @@
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 echo "Package tsfile..."
diff --git a/tsfile/pom.xml b/tsfile/pom.xml
index 386dd77189c00..37897d0719c50 100644
--- a/tsfile/pom.xml
+++ b/tsfile/pom.xml
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
-
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
@@ -13,11 +11,12 @@
 
         http://www.apache.org/licenses/LICENSE-2.0
 
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
 
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
@@ -114,6 +113,17 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.rat</groupId>
+                <artifactId>apache-rat-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>src/test/resources/*.json</exclude>
+                        <!-- Runtime log -->
+                        <exclude>**/*.log</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
     <profiles>
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/Cache.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/Cache.java
index 453dde83a370b..7acdf74d65e29 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/Cache.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/Cache.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.cache;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/LRUCache.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/LRUCache.java
index 3598f6a56b687..1c044b984e011 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/LRUCache.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/cache/LRUCache.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.cache;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileConfig.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileConfig.java
index 840a5d0e16bbc..fdd333e6834fb 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileConfig.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileConfig.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.conf;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileDescriptor.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileDescriptor.java
index 214d90237a9d4..7b585ef792b4d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileDescriptor.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/conf/TSFileDescriptor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.conf;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/JsonFormatConstant.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/JsonFormatConstant.java
index 0d12299d13057..ef13a4db3c0f6 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/JsonFormatConstant.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/JsonFormatConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.constant;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/QueryConstant.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/QueryConstant.java
index 0e47b31527cb4..149bf17445258 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/QueryConstant.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/QueryConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.constant;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/StatisticConstant.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/StatisticConstant.java
index 0e115489f290b..11f738944e22f 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/StatisticConstant.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/StatisticConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.constant;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/SystemConstant.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/SystemConstant.java
index 02d424f967ab5..ee74dd37cc952 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/SystemConstant.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/common/constant/SystemConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common.constant;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/Compressor.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/Compressor.java
index 6dee0ec47b6b8..f6e7aa0d6933f 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/Compressor.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/Compressor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.compress;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/UnCompressor.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/UnCompressor.java
index 13aea5bf847f8..5fe14203fea7c 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/UnCompressor.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/compress/UnCompressor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.compress;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPacker.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPacker.java
index 8586b15f3f6fa..1b80da2721081 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPacker.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPacker.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.bitpacking;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPacker.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPacker.java
index 93642e4e138aa..cb0ab04e1b261 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPacker.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPacker.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.bitpacking;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EncodingConfig.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EncodingConfig.java
index 109a018271d66..f7551d5a5997c 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EncodingConfig.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EncodingConfig.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EndianType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EndianType.java
index 1010aa0dab8d8..eadb5d385bf14 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EndianType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/common/EndianType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoder.java
index 609284ca10291..5ff3abba181c5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/Decoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/Decoder.java
index b2173b30de092..bb516bb2988f2 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/Decoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/Decoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DeltaBinaryDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DeltaBinaryDecoder.java
index a1276a3532073..db508d82308a8 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DeltaBinaryDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DeltaBinaryDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DoublePrecisionDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DoublePrecisionDecoder.java
index 08e8935a9f451..d608a3e860a26 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DoublePrecisionDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/DoublePrecisionDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoder.java
index 18580e96d3460..f65a810307ae5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoder.java
index 773f192cb3ce2..af0d9bb9af71e 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoder.java
index 3a4f9f981df96..1eca225ed3a14 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoder.java
index 4c7f47f00889e..b9185385c86ad 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/PlainDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/PlainDecoder.java
index bfcf58faaa0c4..96785554c9af9 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/PlainDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/PlainDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/RleDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/RleDecoder.java
index 65f7654106a31..c22b6c3b07c8f 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/RleDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/RleDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/SinglePrecisionDecoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/SinglePrecisionDecoder.java
index 1b86eafdd2409..8dac0bae2b1ee 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/SinglePrecisionDecoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/decoder/SinglePrecisionDecoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/BitmapEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/BitmapEncoder.java
index efdd8aadb0146..379428f1d3792 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/BitmapEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/BitmapEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DeltaBinaryEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DeltaBinaryEncoder.java
index bd5afffba24a0..9c9d8f8c0ccb2 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DeltaBinaryEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DeltaBinaryEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DoublePrecisionEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DoublePrecisionEncoder.java
index d4b9397902d5e..176dcfb8cc399 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DoublePrecisionEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/DoublePrecisionEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/Encoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/Encoder.java
index ed61bc1cee361..ecb2c87b09de1 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/Encoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/Encoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/FloatEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/FloatEncoder.java
index 955059c13587f..d9b128ada9006 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/FloatEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/FloatEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/GorillaEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/GorillaEncoder.java
index bca395201ccab..def51f66cba5d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/GorillaEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/GorillaEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/IntRleEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/IntRleEncoder.java
index 23779dc3d6202..d0be2f1dfafec 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/IntRleEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/IntRleEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/LongRleEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/LongRleEncoder.java
index 8f309751b2367..95ff648832545 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/LongRleEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/LongRleEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/PlainEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/PlainEncoder.java
index 2cc316b2e22f6..d1580996e93a7 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/PlainEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/PlainEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/RleEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/RleEncoder.java
index b9add65bb976c..2a01c2f5ed16c 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/RleEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/RleEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/SinglePrecisionEncoder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/SinglePrecisionEncoder.java
index 7c12bb730edb3..a78db35ac0249 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/SinglePrecisionEncoder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/SinglePrecisionEncoder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/TSEncodingBuilder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/TSEncodingBuilder.java
index 667f867c6950f..840517ddb3696 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/TSEncodingBuilder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/encoding/encoder/TSEncodingBuilder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.encoder;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/TsFileRuntimeException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/TsFileRuntimeException.java
index adf2df95e29da..1097b65401103 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/TsFileRuntimeException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/TsFileRuntimeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/cache/CacheException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/cache/CacheException.java
index a30a74c23e7fd..910af37a97127 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/cache/CacheException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/cache/CacheException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.cache;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/compress/CompressionTypeNotSupportedException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/compress/CompressionTypeNotSupportedException.java
index f412341bc54a0..aadebc718400d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/compress/CompressionTypeNotSupportedException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/compress/CompressionTypeNotSupportedException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.compress;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileDecodingException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileDecodingException.java
index 163bdeaf5915c..06de4d73c5b7b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileDecodingException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileDecodingException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.encoding;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileEncodingException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileEncodingException.java
index a6fc004182107..8941aa789d67d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileEncodingException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/encoding/TsFileEncodingException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.encoding;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterDataTypeException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterDataTypeException.java
index e2ac6cddcd6be..b634e9f5458d6 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterDataTypeException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterDataTypeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterInvokeException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterInvokeException.java
index dc7f762f7aa9a..137f0ba1b3bec 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterInvokeException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/FilterInvokeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/QueryFilterOptimizationException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/QueryFilterOptimizationException.java
index 704934ca340aa..b317fde65e099 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/QueryFilterOptimizationException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/QueryFilterOptimizationException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/UnSupportFilterDataTypeException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/UnSupportFilterDataTypeException.java
index 651e530d1d82c..d4d5089be7efa 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/UnSupportFilterDataTypeException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/filter/UnSupportFilterDataTypeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/metadata/MetadataArgsErrorException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/metadata/MetadataArgsErrorException.java
index 16f6162fa11ac..cb037d83dc8cc 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/metadata/MetadataArgsErrorException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/metadata/MetadataArgsErrorException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/InvalidJsonSchemaException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/InvalidJsonSchemaException.java
index 6333caa7f1fb2..9c96fbf5f2b28 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/InvalidJsonSchemaException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/InvalidJsonSchemaException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/NoMeasurementException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/NoMeasurementException.java
index 360eb9fdd3c5c..7d81be05a7ab3 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/NoMeasurementException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/NoMeasurementException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/PageException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/PageException.java
index 1c9899ab308b9..c38a25bd5c4e5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/PageException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/PageException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnSupportedDataTypeException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnSupportedDataTypeException.java
index 6448aa328cb4f..28ee000b572ce 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnSupportedDataTypeException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnSupportedDataTypeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnknownColumnTypeException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnknownColumnTypeException.java
index 50c0fbcb50d11..42eafd9685aa5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnknownColumnTypeException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/UnknownColumnTypeException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/WriteProcessException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/WriteProcessException.java
index b4a5ce05226ac..865f042f52acc 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/WriteProcessException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/exception/write/WriteProcessException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.exception.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/MetaMarker.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/MetaMarker.java
index 172b5525533f0..a361d7403a456 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/MetaMarker.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/MetaMarker.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/footer/ChunkGroupFooter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/footer/ChunkGroupFooter.java
index 6b62eb009a995..972ee64c10406 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/footer/ChunkGroupFooter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/footer/ChunkGroupFooter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.footer;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/ChunkHeader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/ChunkHeader.java
index eaeb2a0409e7b..a5110b46b4ec8 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/ChunkHeader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/ChunkHeader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.header;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/PageHeader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/PageHeader.java
index 5f51133155c35..2c01edb7f5571 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/PageHeader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/PageHeader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.header;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/package-info.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/package-info.java
index 99133df00d454..b0f7f2a6cbc2f 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/package-info.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/header/package-info.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.header;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaData.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaData.java
index 452174457e197..143ae6c7acce5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaData.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaData.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaData.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaData.java
index c721129e4f7b4..adc67f8d67e7c 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaData.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaData.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadata.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadata.java
index 015ff74c9118f..61bd166e8d470 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadata.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadata.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndex.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndex.java
index 6e81bbf8b0dd6..ec28bcca89887 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndex.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndex.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDigest.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDigest.java
index d2eb4cffe3c82..89b11168735c4 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDigest.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsDigest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaData.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaData.java
index 7bb4655be3a79..574c6331102aa 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaData.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaData.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/CompressionType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/CompressionType.java
index 6cb93ac0beada..483c05e2639b1 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/CompressionType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/CompressionType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.enums;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSDataType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSDataType.java
index 6faea61f2d782..68684e5f1fbc4 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSDataType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSDataType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.enums;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSEncoding.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSEncoding.java
index 3d8fdb94f8ac7..b70fd2d885037 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSEncoding.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSEncoding.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.enums;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSFreqType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSFreqType.java
index 4862d19315932..d4075c62b289a 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSFreqType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/enums/TSFreqType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.enums;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BinaryStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BinaryStatistics.java
index 4e1b6e47d4400..b4b20db340b2d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BinaryStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BinaryStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatistics.java
index 4cb1d1f7a847e..29c3d8c6b3d6b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatistics.java
index 7b665bc0814be..dacdb9c2a28f2 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatistics.java
index 64b1f1fb3cfb1..93feff640307e 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatistics.java
index 5984a88b9b10a..eb730482e875a 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatistics.java
index 0060fdceedff3..2addb69ad2f85 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/NoStatistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/NoStatistics.java
index 68d38835bf1fe..98c10dfb4e957 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/NoStatistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/NoStatistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/Statistics.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/Statistics.java
index 644dbc4360380..5d8ea27efe6bb 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/Statistics.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/Statistics.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsClassException.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsClassException.java
index ecd606bae3edc..d1a271f2a3881 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsClassException.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsClassException.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsDeserializer.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsDeserializer.java
index 2d48a1617bf25..c5b62966b23bf 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsDeserializer.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/statistics/StatisticsDeserializer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/IDataReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/IDataReader.java
index 2c7251849386e..f45e6449b880a 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/IDataReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/IDataReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFile.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFile.java
index 7045d685843d0..e0871539756f0 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFile.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFile.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
index af63e827036d8..322c429bd3116 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/UnClosedTsFileReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/UnClosedTsFileReader.java
index ce4771e041a1d..99f010bcac8d3 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/UnClosedTsFileReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/UnClosedTsFileReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/BatchData.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/BatchData.java
index 8ad545a21f062..1f7f768277f2c 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/BatchData.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/BatchData.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Chunk.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Chunk.java
index 975121f683d0c..7c63be6f34fd9 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Chunk.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Chunk.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Field.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Field.java
index b8a8298ceccbf..421e296e8c18d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Field.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Field.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Path.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Path.java
index 0e0bc97a405ba..5db6012ea6b8f 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Path.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/Path.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/RowRecord.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/RowRecord.java
index aca0ecd8b9ff9..06ff36ca753e2 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/RowRecord.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/common/RowRecord.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.common;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoader.java
index 473af0ce0ca04..78e561e86e2ee 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.controller;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderImpl.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderImpl.java
index 42d017acba77f..2d7624cf4f5a9 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderImpl.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.controller;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerier.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerier.java
index 64cb4d50cff10..e288e58863c85 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerier.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerier.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.controller;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImpl.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImpl.java
index f1f41eb7f956e..4fda546b1f2f6 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImpl.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.controller;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/ExpressionType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/ExpressionType.java
index ec0b4cacce6bf..4bffddb3129f8 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/ExpressionType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/ExpressionType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IBinaryExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IBinaryExpression.java
index a953b9468a8ce..b97310aa6ae8b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IBinaryExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IBinaryExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IExpression.java
index 167b12db0001d..a05b842502a2b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IUnaryExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IUnaryExpression.java
index a3e20c8be0097..b4be3cff43606 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IUnaryExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/IUnaryExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/QueryExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/QueryExpression.java
index dd6d5512fbd04..393448b6ba942 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/QueryExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/QueryExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/BinaryExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/BinaryExpression.java
index 2610b6c18eee7..60e68e0a0653f 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/BinaryExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/BinaryExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression.impl;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/GlobalTimeExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/GlobalTimeExpression.java
index 4843939e808c9..d69a65ae4c7de 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/GlobalTimeExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/GlobalTimeExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression.impl;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/SingleSeriesExpression.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/SingleSeriesExpression.java
index 721454287a838..b2c2b24a2e2bd 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/SingleSeriesExpression.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/impl/SingleSeriesExpression.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression.impl;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionOptimizer.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionOptimizer.java
index ecfcea0413f44..147d2e56c0e5e 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionOptimizer.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionOptimizer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression.util;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionPrinter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionPrinter.java
index fdcb2cc048941..c0e3f549fa79d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionPrinter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/expression/util/ExpressionPrinter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.expression.util;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/DigestForFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/DigestForFilter.java
index 1c19f6da32112..e3784afdc2315 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/DigestForFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/DigestForFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/TimeFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/TimeFilter.java
index 3e0c8fd5a520d..7016e5fdc5bf4 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/TimeFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/TimeFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/ValueFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/ValueFilter.java
index de09ccbceae71..07e35be1881b1 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/ValueFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/ValueFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/BinaryFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/BinaryFilter.java
index 03931633bf70d..aeba875dd2fdf 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/BinaryFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/BinaryFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.basic;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/Filter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/Filter.java
index eeee986421587..9320b8fedb6ef 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/Filter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/Filter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.basic;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/UnaryFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/UnaryFilter.java
index a542c06dcf89e..ff66ef5154f73 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/UnaryFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/basic/UnaryFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.basic;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterFactory.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterFactory.java
index ef0195ec322ca..83e97ae57a728 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterFactory.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterFactory.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.factory;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterType.java
index ea94b44262674..55628d11d2913 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/factory/FilterType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.factory;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/AndFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/AndFilter.java
index 55b7451a1033f..cf5db76ba9524 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/AndFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/AndFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Eq.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Eq.java
index 02ce855aa8c50..bd0d55b008a73 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Eq.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Eq.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Gt.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Gt.java
index 4389713ec3aca..ed569a7ec13c4 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Gt.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Gt.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/GtEq.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/GtEq.java
index edf1acdad8566..6091947539e8c 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/GtEq.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/GtEq.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Lt.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Lt.java
index 8f7a9609ef84c..f5b3beca5066c 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Lt.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/Lt.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/LtEq.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/LtEq.java
index 6104dee96426b..060b3ade3ba84 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/LtEq.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/LtEq.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotEq.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotEq.java
index e85b7188d6116..90266fc705baf 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotEq.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotEq.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotFilter.java
index 277b977c50fd3..2385a82c2db8f 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/NotFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/OrFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/OrFilter.java
index e8b0d3f3a83bf..38d876254463b 100755
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/OrFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/filter/operator/OrFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter.operator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithTimeGenerator.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithTimeGenerator.java
index 3a4265857fa29..557cedcc90438 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithTimeGenerator.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.dataset;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithoutTimeGenerator.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithoutTimeGenerator.java
index 1221ba078b1c3..dc3b8e8112d8e 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithoutTimeGenerator.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/DataSetWithoutTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.dataset;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/QueryDataSet.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/QueryDataSet.java
index 84cebd1bdaf2a..4c00641bcb8d1 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/QueryDataSet.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/dataset/QueryDataSet.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.dataset;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/ExecutorWithTimeGenerator.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/ExecutorWithTimeGenerator.java
index 72bb9ca9a7f5e..96c29add7fb71 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/ExecutorWithTimeGenerator.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/ExecutorWithTimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.executor;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutor.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutor.java
index 217950f42e541..a59f340137380 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutor.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.executor;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/TsFileExecutor.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/TsFileExecutor.java
index 41aab8f099238..69d364f5159b9 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/TsFileExecutor.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/executor/TsFileExecutor.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.executor;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGenerator.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGenerator.java
index 5b585072f0d03..21a1e9aba8168 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGenerator.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorImpl.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorImpl.java
index 8577520f43826..c17600110fad6 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorImpl.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/AndNode.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/AndNode.java
index c8b80646cd4ee..e54d2b95ee7b8 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/AndNode.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/AndNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator.node;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/LeafNode.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/LeafNode.java
index a581721ecd317..b69c0477c0f48 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/LeafNode.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/LeafNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator.node;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/Node.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/Node.java
index 75f082f2989b8..60d8802ebbb91 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/Node.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/Node.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator.node;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/NodeType.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/NodeType.java
index c2ea6a3e1e252..1e470edf04f8b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/NodeType.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/NodeType.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator.node;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/OrNode.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/OrNode.java
index ac54f0d3c7bcc..7d01630e5a9bb 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/OrNode.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/query/timegenerator/node/OrNode.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator.node;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/DefaultTsFileInput.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/DefaultTsFileInput.java
index e57914c6baa1f..904258d8bd633 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/DefaultTsFileInput.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/DefaultTsFileInput.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/TsFileInput.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/TsFileInput.java
index 02afea70e6b21..260d436d88cc5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/TsFileInput.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/TsFileInput.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReader.java
index beeb161fc6abe..b373a48fc76a8 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderByTimestamp.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderByTimestamp.java
index c69cb4b4ccd5c..6f32af59f3eb1 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderByTimestamp.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderByTimestamp.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithFilter.java
index f52d25d0c2800..ae1d09bd683bf 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithoutFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithoutFilter.java
index d9e9a42bdf0c1..f467bde2f2ae2 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithoutFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/chunk/ChunkReaderWithoutFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/page/PageReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/page/PageReader.java
index 04d7054ae2ca0..136ec29367b2d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/page/PageReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/page/PageReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.page;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReader.java
index b24658911dc77..ceb46786f087a 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.series;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithFilter.java
index 31baa5ac53765..e811d2b3aae45 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.series;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithoutFilter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithoutFilter.java
index e1095c3e66b6b..1ec0c96b9859b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithoutFilter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/FileSeriesReaderWithoutFilter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.series;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/SeriesReaderByTimestamp.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/SeriesReaderByTimestamp.java
index 26503bfe02db3..1c356a141903e 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/SeriesReaderByTimestamp.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/reader/series/SeriesReaderByTimestamp.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader.series;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Binary.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Binary.java
index 03c5dec054335..f91f848a286f0 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Binary.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Binary.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/BytesUtils.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/BytesUtils.java
index afda9a3a61128..daf6081729657 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/BytesUtils.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/BytesUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Loader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Loader.java
index 62321e4be85b6..fe3157482c1c4 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Loader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Loader.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Pair.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Pair.java
index 8e6f056f783c4..ef882725ac18c 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Pair.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/Pair.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/PublicBAOS.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/PublicBAOS.java
index 84f639854ebe8..81bf9c4771964 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/PublicBAOS.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/PublicBAOS.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteForEncodingUtils.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteForEncodingUtils.java
index a998a3d7cb405..0c990008b88ad 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteForEncodingUtils.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteForEncodingUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteIOUtils.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteIOUtils.java
index c83522b77b598..b904538490c1d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteIOUtils.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ReadWriteIOUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/StringContainer.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/StringContainer.java
index 70ee89a365db3..40d21363d9a05 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/StringContainer.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/utils/StringContainer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/TsFileWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/TsFileWriter.java
index 93af2f322dbe5..74e3063c3fdd5 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/TsFileWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/TsFileWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkBuffer.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkBuffer.java
index 0257bac1b9795..107d0b7395d45 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkBuffer.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkBuffer.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkGroupWriterImpl.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkGroupWriterImpl.java
index b085cb5e568bd..946b582b547fe 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkGroupWriterImpl.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkGroupWriterImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
index 2ed9bab1c903f..086c38a61c534 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkGroupWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkGroupWriter.java
index 17802ad03d4da..3c9544f187c28 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkGroupWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkGroupWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java
index 3646ad23b02ce..8b388783a7517 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/IChunkWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.chunk;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/page/PageWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/page/PageWriter.java
index f573390f1b02f..9ca97871a3f64 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/page/PageWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/page/PageWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.page;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/TSRecord.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/TSRecord.java
index e29adf67d593b..b30a4830cdf2b 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/TSRecord.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/TSRecord.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/BooleanDataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/BooleanDataPoint.java
index d2fe931330b31..066bb3f086e31 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/BooleanDataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/BooleanDataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DataPoint.java
index 702aea358e5ea..83b7f2ae7e87e 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DoubleDataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DoubleDataPoint.java
index e49a697262a53..825ff43c32922 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DoubleDataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/DoubleDataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/FloatDataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/FloatDataPoint.java
index b86b21b474b5b..72176beafe6cb 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/FloatDataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/FloatDataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/IntDataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/IntDataPoint.java
index 7806ac01ddd84..4425fde906577 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/IntDataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/IntDataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/LongDataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/LongDataPoint.java
index 0014cf446e15b..701b44b8c40b4 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/LongDataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/LongDataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/StringDataPoint.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/StringDataPoint.java
index a393f330b5baa..5eb6ab818a212 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/StringDataPoint.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/record/datapoint/StringDataPoint.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.record.datapoint;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/FileSchema.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/FileSchema.java
index bc0bea91e85af..641dd92e323e1 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/FileSchema.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/FileSchema.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.schema;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/JsonConverter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/JsonConverter.java
index 01f3145a01aaa..d0150a189ef46 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/JsonConverter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/JsonConverter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.schema;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java
index ae554d8341799..75832f1b526f9 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/MeasurementSchema.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.schema;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/SchemaBuilder.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/SchemaBuilder.java
index 7f1509ce9cc4d..57fbb72a39e29 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/SchemaBuilder.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/schema/SchemaBuilder.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.schema;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/DefaultTsFileOutput.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/DefaultTsFileOutput.java
index caff749327ac4..20c0a02b8c32d 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/DefaultTsFileOutput.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/DefaultTsFileOutput.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.writer;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/IDataWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/IDataWriter.java
index ebf068ef80515..1789c2ca40d85 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/IDataWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/IDataWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.writer;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
index 3d3e95f5f2a10..a7fa3c577ed53 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.writer;
 
diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileOutput.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileOutput.java
index de4ca6d03478a..19c084a73e0ae 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileOutput.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileOutput.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.writer;
 
diff --git a/tsfile/src/main/resources/tsfile-format.properties.template b/tsfile/src/main/resources/tsfile-format.properties.template
index b20026fb7bd4c..796be06a751e1 100644
--- a/tsfile/src/main/resources/tsfile-format.properties.template
+++ b/tsfile/src/main/resources/tsfile-format.properties.template
@@ -1,3 +1,24 @@
+#
+# Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
 # Memory size threshold for flushing to disk or HDFS, default value is 128MB
 group_size_in_byte=134217728
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/common/LRUCacheTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/common/LRUCacheTest.java
index d38730d8ef273..a9f01c5a4b215 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/common/LRUCacheTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/common/LRUCacheTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.common;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/CompressTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/CompressTest.java
index 9391b75c29ae5..fc8d412607406 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/CompressTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/CompressTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.compress;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/SnappyTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/SnappyTest.java
index a9c308f468878..3c640d7f4a88c 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/SnappyTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/compress/SnappyTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.compress;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/constant/TimeseriesTestConstant.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/constant/TimeseriesTestConstant.java
index 9eff128331580..0c80e523ef51f 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/constant/TimeseriesTestConstant.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/constant/TimeseriesTestConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.constant;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPackerTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPackerTest.java
index f90ba9e7b5be9..6a45c62644a62 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPackerTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/IntPackerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.bitpacking;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPackerTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPackerTest.java
index 036b23884dd9f..98d8ae6873599 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPackerTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/bitpacking/LongPackerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.bitpacking;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoderTest.java
index 8bfe64b096ab6..8846f46c9b474 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/BitmapDecoderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoderTest.java
index 064bee846a27e..8ab203b62e5b1 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/FloatDecoderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoderTest.java
index 34a0c90a751d8..96072228fb591 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/GorillaDecoderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoderTest.java
index d6165999de514..65d31f3fc698b 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/IntRleDecoderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoderTest.java
index 4fa721c29cd17..a90293f9174d3 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/LongRleDecoderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderIntegerTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderIntegerTest.java
index 3d63a82eaae30..14e3965522e95 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderIntegerTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderIntegerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder.delta;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderLongTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderLongTest.java
index d874a5959d59c..eeee4ed297b88 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderLongTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/encoding/decoder/delta/DeltaBinaryEncoderLongTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.encoding.decoder.delta;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaDataTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaDataTest.java
index 9c512d88bf9b6..5ad3238485eea 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaDataTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkGroupMetaDataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaDataTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaDataTest.java
index 938ecfc6b0949..39e85e082caea 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaDataTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetaDataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TimeSeriesMetadataTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TimeSeriesMetadataTest.java
index 8ddc98dc23660..106c738a8fe4b 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TimeSeriesMetadataTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TimeSeriesMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndexTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndexTest.java
index e7c77fc2f8917..fb3e4ab008202 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndexTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataIndexTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataTest.java
index 23aefa1e46bac..034a8ef73a8e5 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsDeviceMetadataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaDataTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaDataTest.java
index e84f7a2390ed1..46267f1f6f4ea 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaDataTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/TsFileMetaDataTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatisticsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatisticsTest.java
index f83f94b07ff09..949c39fcbbea3 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatisticsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/BooleanStatisticsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatisticsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatisticsTest.java
index c413292f5a668..b19ffa1f307dc 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatisticsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/DoubleStatisticsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatisticsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatisticsTest.java
index 855c58eadb937..867be8c671768 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatisticsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/FloatStatisticsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatisticsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatisticsTest.java
index fc9ea91cf8369..8b6a5949d93ab 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatisticsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/IntegerStatisticsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatisticsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatisticsTest.java
index fcbe091b6455e..6be700fd648fe 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatisticsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/LongStatisticsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/StringStatisticsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/StringStatisticsTest.java
index 30de3bac31189..7a6cfcdfe2203 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/StringStatisticsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/statistics/StringStatisticsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.statistics;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/TestHelper.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/TestHelper.java
index 30efb9e847bb4..e0f785654edfd 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/TestHelper.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/TestHelper.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/Utils.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/Utils.java
index 5e4623c16ee1f..b94473251a9e4 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/Utils.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/file/metadata/utils/Utils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.file.metadata.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFileTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFileTest.java
index ae7c1fd0b29ed..ff8f8b216687e 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFileTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadOnlyTsFileTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadTest.java
index 726e5666cfd29..3de9b291cda5b 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/ReadTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/TimePlainEncodeReadTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/TimePlainEncodeReadTest.java
index bee55f17a951b..84f1997e52e8e 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/TimePlainEncodeReadTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/TimePlainEncodeReadTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/common/PathTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/common/PathTest.java
index cea18d22b2f93..a2e0d85271ff2 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/common/PathTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/common/PathTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.common;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderTest.java
index 011e587d64bf1..48785d94784fc 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/ChunkLoaderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.controller;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImplTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImplTest.java
index 7ffaa1e9ad097..6d91e8fa9843c 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImplTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/controller/MetadataQuerierByFileImplTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.controller;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/DigestFilterTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/DigestFilterTest.java
index 52fefb7af0a96..e66aa1c42359a 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/DigestFilterTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/DigestFilterTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/IExpressionOptimizerTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/IExpressionOptimizerTest.java
index 76ca2371d2003..67428341730bb 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/IExpressionOptimizerTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/IExpressionOptimizerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/MinTimeMaxTimeFilterTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/MinTimeMaxTimeFilterTest.java
index b7cf11a67c410..eab2cfe8f687d 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/MinTimeMaxTimeFilterTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/MinTimeMaxTimeFilterTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/OperatorTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/OperatorTest.java
index 531e64c63a037..c757f05b225c4 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/OperatorTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/OperatorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.filter;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutorTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutorTest.java
index 22d3cc4d6fbbb..2f437f57ec3ac 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutorTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/executor/QueryExecutorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.executor;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/NodeTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/NodeTest.java
index 13f4f2da6899e..08555cb6b7227 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/NodeTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/NodeTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/ReaderByTimestampTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/ReaderByTimestampTest.java
index 22620f2ede2cc..5f1ecd57e47dd 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/ReaderByTimestampTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/ReaderByTimestampTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorTest.java
index d12cd8f184055..364f91462b86a 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TimeGeneratorTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TsFileGeneratorForSeriesReaderByTimestamp.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TsFileGeneratorForSeriesReaderByTimestamp.java
index e605828661d5c..7df56d303390d 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TsFileGeneratorForSeriesReaderByTimestamp.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/query/timegenerator/TsFileGeneratorForSeriesReaderByTimestamp.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.query.timegenerator;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/PageReaderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/PageReaderTest.java
index 7931c04a6810f..681cd5a5b2155 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/PageReaderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/PageReaderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/ReaderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/ReaderTest.java
index 15661dd2b9b11..6bc2e8c226d24 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/ReaderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/ReaderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.read.reader;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/BytesUtilsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/BytesUtilsTest.java
index b342966c71548..e2ce97aa3ca7d 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/BytesUtilsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/BytesUtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/CommonTestConstant.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/CommonTestConstant.java
index 57ae6d85d637e..e104e3bd1121f 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/CommonTestConstant.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/CommonTestConstant.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileGenerator.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileGenerator.java
index 2c50bec5c5f3b..ecdfd2378e5ce 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileGenerator.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileGenerator.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtils.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtils.java
index a3d1c4e3fd0e3..4bc03ec7f3c1f 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtils.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtilsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtilsTest.java
index 02b97a17c01b5..a7571efb3758f 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtilsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/FileUtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/PairTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/PairTest.java
index 5ea6f2a9802ca..e5d9986e3900f 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/PairTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/PairTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteStreamUtilsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteStreamUtilsTest.java
index a0f2178e07a6c..639adc49c5ec4 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteStreamUtilsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteStreamUtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteToBytesUtilsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteToBytesUtilsTest.java
index 8518bbbf840d3..9404a94d9e57c 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteToBytesUtilsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/ReadWriteToBytesUtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtils.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtils.java
index 50321b58cd633..266ff90ab58cd 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtils.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtils.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtilsTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtilsTest.java
index 2b8d0777d8fbb..80f5cfce4e650 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtilsTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/RecordUtilsTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/StringContainerTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/StringContainerTest.java
index 848e28c39587b..ec8bddf50868c 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/StringContainerTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/StringContainerTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/TsFileGeneratorForTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/TsFileGeneratorForTest.java
index 46f9651c26281..d727e1188214e 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/TsFileGeneratorForTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/utils/TsFileGeneratorForTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.utils;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/PerfTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/PerfTest.java
index a92c38f037bb6..f41e73ef60bd0 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/PerfTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/PerfTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/ReadPageInMemTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/ReadPageInMemTest.java
index 79158f874c292..4b2b33822a49e 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/ReadPageInMemTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/ReadPageInMemTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileIOWriterTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileIOWriterTest.java
index b52e42dd2bf1a..4a3d2adf7cbd0 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileIOWriterTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileIOWriterTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileReadWriteTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileReadWriteTest.java
index 3e0e30f53decd..53d2d02a434b7 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileReadWriteTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/TsFileReadWriteTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/WriteTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/WriteTest.java
index d22d840d077a9..34077a8995c13 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/WriteTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/WriteTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/JsonConverterTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/JsonConverterTest.java
index d10155dd6f894..02d599c2cddb3 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/JsonConverterTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/JsonConverterTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.schema.converter;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/SchemaBuilderTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/SchemaBuilderTest.java
index eebebd29dabe9..89174e60b8387 100644
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/SchemaBuilderTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/schema/converter/SchemaBuilderTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.schema.converter;
 
diff --git a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/series/PageWriterTest.java b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/series/PageWriterTest.java
index 009af9c745f5a..588932ea172a0 100755
--- a/tsfile/src/test/java/org/apache/iotdb/tsfile/write/series/PageWriterTest.java
+++ b/tsfile/src/test/java/org/apache/iotdb/tsfile/write/series/PageWriterTest.java
@@ -1,6 +1,4 @@
 /**
- * Copyright © 2019 Apache IoTDB(incubating) (dev@iotdb.apache.org)
- *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -11,11 +9,12 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
 package org.apache.iotdb.tsfile.write.series;
 
diff --git a/tsfile/src/test/resources/logback.xml b/tsfile/src/test/resources/logback.xml
index 2eabd4316d032..a850d93ff263c 100644
--- a/tsfile/src/test/resources/logback.xml
+++ b/tsfile/src/test/resources/logback.xml
@@ -1,4 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
 <configuration debug="false">
     <property name="LOG_PATH" value="logs"/>
     <!-- prevent logback from outputting its own status at the start of every log -->