diff --git a/DEV_LOG.md b/DEV_LOG.md
index fa56660a..048e6c28 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -2,6 +2,7 @@
   + v_3.8.16
     - 修复单线程下载时，文件已经完成，重复下载回调下载失败的问题
     - 修复一个重新下载文件时，同名路径文件没有被被删除的问题
+    - fix bug https://github.com/AriaLyy/Aria/issues/807
   + v_3.8.15 (2020/11/9)
     - 修复不支持断点的连接下载失败问题，https://github.com/AriaLyy/Aria/issues/771
     - 修复iv不存在时，索引文件异常的问题，https://github.com/AriaLyy/Aria/issues/780
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java b/PublicComponent/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java
index dde89993..974209f2 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java
@@ -31,7 +31,7 @@ import com.arialyy.aria.util.CommonUtil;
  * Created by lyy on 2015/12/25.
  * 下载实体
  */
-public class DownloadEntity extends AbsNormalEntity implements Parcelable {
+public class DownloadEntity extends AbsNormalEntity implements Parcelable, Cloneable {
   @Unique private String downloadPath; //保存路径
 
   /**
diff --git a/build.gradle b/build.gradle
index 777e7625..8ba4b0c8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,7 +45,7 @@ task clean(type: Delete) {
 
 ext {
   versionCode = 390
-  versionName = '3.8.15'
+  versionName = '3.8.16-beta'
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
   publishVersion = versionName