diff --git a/ClassicDownload/src/main/java/com/zero/cdownload/listener/CDownloadListener.java b/ClassicDownload/src/main/java/com/zero/cdownload/listener/CDownloadListener.java
index 4e60ed6..9ca562c 100644
--- a/ClassicDownload/src/main/java/com/zero/cdownload/listener/CDownloadListener.java
+++ b/ClassicDownload/src/main/java/com/zero/cdownload/listener/CDownloadListener.java
@@ -8,7 +8,7 @@
 
 public interface CDownloadListener {
     void onPreStart();
-    void onProgress(long maxSIze, long currentSize);
+    void onProgress(long maxSize, long currentSize);
     void onComplete(String localFilePath);
     void onError(String errorMessage);
     void onCancel();
diff --git a/ClassicDownload/src/main/java/com/zero/cdownload/manager/download/FileManager.java b/ClassicDownload/src/main/java/com/zero/cdownload/manager/download/FileManager.java
index f94a2c4..f67300e 100644
--- a/ClassicDownload/src/main/java/com/zero/cdownload/manager/download/FileManager.java
+++ b/ClassicDownload/src/main/java/com/zero/cdownload/manager/download/FileManager.java
@@ -114,7 +114,7 @@ public static boolean downloadFile(String fileUrl, String localFilePath, CDownlo
             // 设置下载区间
             con.setRequestProperty("range", "bytes=" + size + "-");
             con.connect();
-            maxSize = con.getContentLength();
+            maxSize = con.getContentLength() + size;
             long currentSize = 0;
             // 只要断点下载，返回的已经不是200，206
             int code = con.getResponseCode();