diff --git a/README_cn.md b/README_cn.md
index 1273e46e1a2f316502e67de85b6bd77766dcde82..5f1f07331c357ddb463189f41746b54096094195 100644
--- a/README_cn.md
+++ b/README_cn.md
@@ -308,6 +308,8 @@
 
 ### 产业实践范例教程
 
+- [基于PP-PicoDet增强版的路面垃圾检测](https://aistudio.baidu.com/aistudio/projectdetail/3846170?channelType=0&channel=0)
+
 - [基于PP-PicoDet的通信塔识别及Android端部署](https://aistudio.baidu.com/aistudio/projectdetail/3561097)
 
 - [基于Faster-RCNN的瓷砖表面瑕疵检测](https://aistudio.baidu.com/aistudio/projectdetail/2571419)