diff --git a/CHANGELOG-ZH.md b/CHANGELOG-ZH.md
index af8c1b5e..147f8450 100644
--- a/CHANGELOG-ZH.md
+++ b/CHANGELOG-ZH.md
@@ -2,6 +2,14 @@
 
 > [ Change log in english](https://github.com/lingochamp/FileDownloader/blob/master/CHANGELOG.md)
 
+## Version 1.7.7
+
+- 修复: FileDownloadThreadPool 可能会抛出 ArrayIndexOutOfBoundsException 和 ClassCastException。 closes #1258
+- 修复: 从 1.6.x 升级到 1.7.x 后恢复之前的下载任务时出现 416 错误。
+- 修复: Demo 中下载通知示例无法显示通知。closes #1224
+- 修复: blockComplete 可能会在主线程中回调。closes #1069
+- 修复: NoDatabaseImpl 中 SparseArray 非线程安全问题。closes #1225 
+
 ## Version 1.7.6
 
 _2019-02-20_
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a71a93ac..331d4498 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 > [中文迭代日志](https://github.com/lingochamp/FileDownloader/blob/master/CHANGELOG-ZH.md)
 
+## Version 1.7.7
+
+- Fix: FileDownloadThreadPool may throw ArrayIndexOutOfBoundsException & ClassCastException. closes #1258
+- Fix: Resume a task may occur 416 problem after upgrading from 1.6.x to 1.7.x.
+- Fix: Cannot show notification in demo. closes #1224
+- Fix: The callback blockComplete may be invoked in main thread.closes #1069
+- Fix: The thread unsafe problem of SparseArray in NoDatabaseImpl. closes #1225 
+
 ## Version 1.7.6
 
 _2019-02-20_
diff --git a/README-zh.md b/README-zh.md
index 24e06823..907732e7 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -86,7 +86,7 @@ FileDownloader 1.7.6 已经在 demo 中处理了此问题。
 在项目中引用:
 
 ```groovy
-implementation 'com.liulishuo.filedownloader:library:1.7.6'
+implementation 'com.liulishuo.filedownloader:library:1.7.7'
 ```
 
 > 如果是eclipse引入jar包参考: [这里](https://github.com/lingochamp/FileDownloader/issues/212#issuecomment-232240415)
diff --git a/README.md b/README.md
index 2f006094..7d82702a 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ FileDownloader is installed by adding the following dependency to your `build.gr
 
 ```groovy
 dependencies {
-    implementation 'com.liulishuo.filedownloader:library:1.7.6'
+    implementation 'com.liulishuo.filedownloader:library:1.7.7'
 }
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 75e33118..b79c834f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-VERSION_NAME=1.7.7-SNAPSHOT
+VERSION_NAME=1.7.7
 BUILD_TOOLS_VERSION=28.0.3
 COMPILE_SDK_VERSION=28