diff --git a/CHANGELOG b/CHANGELOG.md
similarity index 100%
rename from CHANGELOG
rename to CHANGELOG.md
diff --git a/README-zh_CN.md b/README-zh_CN.md
index c87eee4..a662852 100644
--- a/README-zh_CN.md
+++ b/README-zh_CN.md
@@ -18,7 +18,7 @@
 - 新增专为安卓设计的 Downloader 和 Uploader 管理器。
 - 新增方法 QingstorHelper#handleResponse() 来处理 callback 中的回应。
 
-您可以在这里看到包含完整包结构的 SDK 文档: [github pages](https://qingstor-sdk-android.chengww.com).
+您可以在这里看到包含完整包结构的 SDK 文档: [github pages](https://chengww5217.github.io/qingstor-sdk-android/).
 
 ## 开始使用
 
@@ -103,7 +103,7 @@ bucket.getObjectAsync("objectName", null, new ResponseCallBack<Bucket.GetObjectO
     }
 });
 ```
-你应该新建一个线程，使用同步的方法来获取。或者[使用安卓 SDK 中的 Downloader/Uploader](./docs-md/download_uploader-zh_CN.md)。
+你应该新建一个线程，使用同步的方法来获取。或者[使用安卓 SDK 中的 Downloader/Uploader](./docs-md/downloader_uploader-zh_CN.md)。
 
 查看更多示例信息，请参考 [demo](./demo/README-zh_CN.md)。
 
diff --git a/README.md b/README.md
index 541999b..c19e7cf 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ There are some differences between qingstor-sdk-android and qingstor-sdk-java:
 - Add Downloader and Uploader management for Android.
 - Add the method QingstorHelper#handleResponse() to handle the response of the callback.
 
-You can see documents containing the complete package structure here: [github pages](https://qingstor-sdk-android.chengww.com).
+You can see documents containing the complete package structure here: [github pages](https://chengww5217.github.io/qingstor-sdk-android/).
 
 
 ## Getting Started
@@ -104,7 +104,7 @@ bucket.getObjectAsync("objectName", null, new ResponseCallBack<Bucket.GetObjectO
     }
 });
 ```
-You should new a thread to get the object use a synchronous method or [use the Downloader/Uploader in the android SDK](./docs-md/download_uploader.md).
+You should new a thread to get the object use a synchronous method or [use the Downloader/Uploader in the android SDK](./docs-md/downloader_uploader.md).
 
 See the [demo](./demo/README.md) for more sample information.
 
diff --git a/demo/README-zh_CN.md b/demo/README-zh_CN.md
index 18ced83..8d86b9b 100644
--- a/demo/README-zh_CN.md
+++ b/demo/README-zh_CN.md
@@ -4,7 +4,7 @@
 
 该项目仅为简单体验，并没有覆盖所有 API。点击下载 APK 体验：
 
-- [Github 分流](./release/demo-release.apk)
+- [Github 分流](./release/demo-release.apk?raw=true)
 - [中国下载地址](https://js-cdn.pek3b.qingstor.com/qingstor-sdk-android/demo-release.apk)
 
 主要使用了以下 API：
diff --git a/demo/README.md b/demo/README.md
index e67c208..e80dd94 100644
--- a/demo/README.md
+++ b/demo/README.md
@@ -6,7 +6,7 @@ The project is a simple experience and does not cover all APIs.
 
 Click to download the APK file:
 
-- [Github download address](./release/demo-release.apk)
+- [Github download address](./release/demo-release.apk?raw=true)
 - [Download address for China](https://js-cdn.pek3b.qingstor.com/qingstor-sdk-android/demo-release.apk)
 
 The following APIs are mainly used:
diff --git a/docs-md/download_uploader-zh_CN.md b/docs-md/downloader_uploader-zh_CN.md
similarity index 100%
rename from docs-md/download_uploader-zh_CN.md
rename to docs-md/downloader_uploader-zh_CN.md