diff --git a/README.md b/README.md
index 1cce61d0ab3d6c13b25aaf1a5b503954b158f47a..fd07c10ca381f4cdec3ae24ed47a04e0b4ac0193 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 @mainpage AliOS Things 概述
 
-**[更正文档](https://gitee.com/alios-things/documentation/edit/master/manual/mainpage.md)**      **[贡献说明](https://help.aliyun.com/document_detail/302301.html)**
+**[更正文档](https://gitee.com/alios-things/documentation/edit/master/manual/mainpage.md)**      **[贡献说明](https://github.com/alibaba/AliOS-Things/blob/master/CONTRIBUTING.md)**
 
 <div align="center">
   <img src="https://img.alicdn.com/tfs/TB1e1U7vyAnBKNjSZFvXXaTKXXa-973-200.png" height="60">