diff --git a/docs/README.md b/docs/README.md
index 238bf5f..9c256bc 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -169,3 +169,5 @@ url = {https://github.com/datawhalechina/easy-rl}
 ## LICENSE
 <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="知识共享许可协议" style="border-width:0" src="https://img.shields.io/badge/license-CC%20BY--NC--SA%204.0-lightgrey" /></a><br />本作品采用<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">知识共享署名-非商业性使用-相同方式共享 4.0 国际许可协议</a>进行许可。
 
+## Star History
+[![Star History](https://api.star-history.com/svg?repos=datawhalechina/easy-rl)](https://star-history.com/#datawhalechina/easy-rl&Date)