diff --git a/README.md b/README.md
index 8eaa328..a49d47d 100644
--- a/README.md
+++ b/README.md
@@ -30,3 +30,7 @@
 ## 鸣谢
 
 [![](https://opencollective.com/run/contributors.svg?width=890)](https://github.com/The-Run-Philosophy-Organization/run/graphs/contributors)
+
+## 协议
+
+<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="知识共享许可协议" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />本作品采用<a rel="license" href="http://creativecommons.org/licenses/by/4.0/">知识共享署名 4.0 国际许可协议</a>进行许可。