diff --git a/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md b/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md
index 63b7fca02..dd6c31636 100644
--- a/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md
+++ b/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md
@@ -31,8 +31,8 @@ Based on the ability of user-defined functions, IoTDB provides a series of funct
 
     | UDF libraries version  | Supported IoTDB versions | Download link                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3 and above      | [UDF.zip](https://alioss.timecho.com/upload/apache-UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [UDF.zip](https://alioss.timecho.com/upload/apache-UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3 and above      | Please contact Timecho for assistance   |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | Please contact Timecho for assistance|
     
 2. Place the library-udf.jar file in the compressed file obtained in the directory `/ext/udf ` of all nodes in the IoTDB cluster
 3. In the SQL command line terminal (CLI) or visualization console (Workbench) SQL operation interface of IoTDB, execute the corresponding function registration statement as follows.
diff --git a/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md b/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md
index de0ac8b24..c20dfda35 100644
--- a/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md
+++ b/src/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md
@@ -31,8 +31,8 @@ Based on the ability of user-defined functions, IoTDB provides a series of funct
 
     | UDF libraries version  | Supported IoTDB versions | Download link                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3 and above      | [UDF.zip](https://alioss.timecho.com/upload/UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [UDF.zip](https://alioss.timecho.com/upload/UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3 and above      | Please contact Timecho for assistance  |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | Please contact Timecho for assistance |
     
 2. Place the `library-udf.jar` file in the compressed file obtained in the directory `/ext/udf ` of all nodes in the IoTDB cluster
 3. In the SQL command line terminal (CLI) or visualization console (Workbench) SQL operation interface of IoTDB, execute the corresponding function registration statement as follows.
diff --git a/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md b/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md
index 63b7fca02..84f030bc9 100644
--- a/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md
+++ b/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md
@@ -31,8 +31,8 @@ Based on the ability of user-defined functions, IoTDB provides a series of funct
 
     | UDF libraries version  | Supported IoTDB versions | Download link                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3 and above      | [UDF.zip](https://alioss.timecho.com/upload/apache-UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [UDF.zip](https://alioss.timecho.com/upload/apache-UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3 and above      | Please contact Timecho for assistance |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | Please contact Timecho for assistance |
     
 2. Place the library-udf.jar file in the compressed file obtained in the directory `/ext/udf ` of all nodes in the IoTDB cluster
 3. In the SQL command line terminal (CLI) or visualization console (Workbench) SQL operation interface of IoTDB, execute the corresponding function registration statement as follows.
diff --git a/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md b/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md
index ab36b65a1..ee87fe3eb 100644
--- a/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md
+++ b/src/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md
@@ -29,8 +29,8 @@ Based on the ability of user-defined functions, IoTDB provides a series of funct
 
     | UDF libraries version  | Supported IoTDB versions | Download link                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3 and above      | [UDF.zip](https://alioss.timecho.com/upload/UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [UDF.zip](https://alioss.timecho.com/upload/UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3 and above      |Please contact Timecho for assistance |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | Please contact Timecho for assistance |
     
 2. Place the `library-udf.jar` file in the compressed file obtained in the directory `/ext/udf ` of all nodes in the IoTDB cluster
 3. In the SQL command line terminal (CLI) or visualization console (Workbench) SQL operation interface of IoTDB, execute the corresponding function registration statement as follows.
diff --git a/src/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md b/src/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md
index 63b7fca02..2786c1dde 100644
--- a/src/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md
+++ b/src/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md
@@ -31,8 +31,8 @@ Based on the ability of user-defined functions, IoTDB provides a series of funct
 
     | UDF libraries version  | Supported IoTDB versions | Download link                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3 and above      | [UDF.zip](https://alioss.timecho.com/upload/apache-UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [UDF.zip](https://alioss.timecho.com/upload/apache-UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3 and above      |Please contact Timecho for assistance  |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | Please contact Timecho for assistance|
     
 2. Place the library-udf.jar file in the compressed file obtained in the directory `/ext/udf ` of all nodes in the IoTDB cluster
 3. In the SQL command line terminal (CLI) or visualization console (Workbench) SQL operation interface of IoTDB, execute the corresponding function registration statement as follows.
diff --git a/src/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md b/src/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md
index de0ac8b24..1c4372a34 100644
--- a/src/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md
+++ b/src/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md
@@ -31,8 +31,8 @@ Based on the ability of user-defined functions, IoTDB provides a series of funct
 
     | UDF libraries version  | Supported IoTDB versions | Download link                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3 and above      | [UDF.zip](https://alioss.timecho.com/upload/UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [UDF.zip](https://alioss.timecho.com/upload/UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3 and above      |   Please contact Timecho for assistance  |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  |  Please contact Timecho for assistance|
     
 2. Place the `library-udf.jar` file in the compressed file obtained in the directory `/ext/udf ` of all nodes in the IoTDB cluster
 3. In the SQL command line terminal (CLI) or visualization console (Workbench) SQL operation interface of IoTDB, execute the corresponding function registration statement as follows.
diff --git a/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md b/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md
index e8f09450f..b683969fc 100644
--- a/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md
+++ b/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_apache.md
@@ -27,8 +27,8 @@
 
     | UDF 函数库版本  | 支持的 IoTDB 版本 | 下载链接                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3及以上      | [压缩包](https://alioss.timecho.com/upload/apache-UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [压缩包](https://alioss.timecho.com/upload/apache-UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3及以上      | 请联系天谋商务获取  |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | 请联系天谋商务获取 |
     
 2. 将获取的压缩包中的 library-udf.jar 文件放置在 IoTDB 集群所有节点的 `/ext/udf` 的目录下
 3. 在 IoTDB 的 SQL 命令行终端（CLI）或可视化控制台（Workbench）的 SQL 操作界面中，执行下述相应的函数注册语句。
diff --git a/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md b/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md
index c7dfbd333..e2f9bc380 100644
--- a/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md
+++ b/src/zh/UserGuide/Master/Tree/SQL-Manual/UDF-Libraries_timecho.md
@@ -27,8 +27,8 @@
 
     | UDF 函数库版本  | 支持的 IoTDB 版本 | 下载链接                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3及以上      | [压缩包](https://alioss.timecho.com/upload/UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [压缩包](https://alioss.timecho.com/upload/UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3及以上      |请联系天谋商务获取 |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | 请联系天谋商务获取 |
     
 2. 将获取的压缩包中的 `library-udf.jar` 文件放置在 IoTDB 集群所有节点的 `/ext/udf` 的目录下
 3. 在 IoTDB 的 SQL 命令行终端（CLI）或可视化控制台（Workbench）的 SQL 操作界面中，执行下述相应的函数注册语句。
diff --git a/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md b/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md
index e8f09450f..3d9db4c0e 100644
--- a/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md
+++ b/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_apache.md
@@ -27,8 +27,8 @@
 
     | UDF 函数库版本  | 支持的 IoTDB 版本 | 下载链接                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3及以上      | [压缩包](https://alioss.timecho.com/upload/apache-UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [压缩包](https://alioss.timecho.com/upload/apache-UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3及以上      |请联系天谋商务获取   |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | 请联系天谋商务获取 |
     
 2. 将获取的压缩包中的 library-udf.jar 文件放置在 IoTDB 集群所有节点的 `/ext/udf` 的目录下
 3. 在 IoTDB 的 SQL 命令行终端（CLI）或可视化控制台（Workbench）的 SQL 操作界面中，执行下述相应的函数注册语句。
diff --git a/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md b/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md
index 9892cb54f..1bc0564da 100644
--- a/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md
+++ b/src/zh/UserGuide/V1.3.0-2/Reference/UDF-Libraries_timecho.md
@@ -27,8 +27,8 @@
 
     | UDF 函数库版本  | 支持的 IoTDB 版本 | 下载链接                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3及以上      | [压缩包](https://alioss.timecho.com/upload/UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [压缩包](https://alioss.timecho.com/upload/UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3及以上      | 请联系天谋商务获取  |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | 请联系天谋商务获取|
     
 2. 将获取的压缩包中的 `library-udf.jar` 文件放置在 IoTDB 集群所有节点的 `/ext/udf` 的目录下
 3. 在 IoTDB 的 SQL 命令行终端（CLI）或可视化控制台（Workbench）的 SQL 操作界面中，执行下述相应的函数注册语句。
diff --git a/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md b/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md
index e8f09450f..ae4b9fb63 100644
--- a/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md
+++ b/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_apache.md
@@ -27,8 +27,8 @@
 
     | UDF 函数库版本  | 支持的 IoTDB 版本 | 下载链接                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3及以上      | [压缩包](https://alioss.timecho.com/upload/apache-UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [压缩包](https://alioss.timecho.com/upload/apache-UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3及以上      | 请联系天谋商务获取   |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | 请联系天谋商务获取|
     
 2. 将获取的压缩包中的 library-udf.jar 文件放置在 IoTDB 集群所有节点的 `/ext/udf` 的目录下
 3. 在 IoTDB 的 SQL 命令行终端（CLI）或可视化控制台（Workbench）的 SQL 操作界面中，执行下述相应的函数注册语句。
diff --git a/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md b/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md
index c7dfbd333..dd61fe411 100644
--- a/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md
+++ b/src/zh/UserGuide/latest/SQL-Manual/UDF-Libraries_timecho.md
@@ -27,8 +27,8 @@
 
     | UDF 函数库版本  | 支持的 IoTDB 版本 | 下载链接                                                     |
     | --------------- | ----------------- | ------------------------------------------------------------ |
-    | UDF-1.3.3.zip | V1.3.3及以上      | [压缩包](https://alioss.timecho.com/upload/UDF-1.3.3.zip)   |
-    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | [压缩包](https://alioss.timecho.com/upload/UDF-1.3.2.zip) |
+    | UDF-1.3.3.zip | V1.3.3及以上      | 请联系天谋商务获取   |
+    | UDF-1.3.2.zip | V1.0.0～V1.3.2  | 请联系天谋商务获取 |
     
 2. 将获取的压缩包中的 `library-udf.jar` 文件放置在 IoTDB 集群所有节点的 `/ext/udf` 的目录下
 3. 在 IoTDB 的 SQL 命令行终端（CLI）或可视化控制台（Workbench）的 SQL 操作界面中，执行下述相应的函数注册语句。