diff --git a/zh-cn/device-dev/Readme-CN.md b/zh-cn/device-dev/Readme-CN.md
index 098ddb401bd109a5694d0bd1c3a4e209836c47d6..96de76d6d8486377fc01043cace820ad5ca52cfa 100644
--- a/zh-cn/device-dev/Readme-CN.md
+++ b/zh-cn/device-dev/Readme-CN.md
@@ -51,7 +51,7 @@
   - [Docker编译环境](get-code/gettools-acquire.md)
   - [IDE集成开发环境](get-code/gettools-ide.md)
 - 示例教程	
-  - [Demo示例](device-demo.md)
+  - [Demo示例](https://growing.openharmony.cn/mainPlay/sample)
   - [Codelabs](https://gitee.com/openharmony/codelabs/blob/master/README.md)  
 - 参考
   - [常见问题-设备开发](faqs/Readme-CN.md)
diff --git a/zh-cn/device-dev/website.md b/zh-cn/device-dev/website.md
index f4f11105d0e6cbaecbb0350ca40960b973af0069..4ae200f56628d528528b2e0c289f9cb220c760f2 100644
--- a/zh-cn/device-dev/website.md
+++ b/zh-cn/device-dev/website.md
@@ -538,7 +538,7 @@
 
 - 示例教程
 
-  - [Demo示例](device-demo.md)
+  - [Demo示例](https://growing.openharmony.cn/mainPlay/sample)
   - [Codelabs](https://gitee.com/openharmony/codelabs/blob/master/README.md) 
 
 - 参考