diff --git a/README.md b/README.md
index 407e460..cda26a0 100644
--- a/README.md
+++ b/README.md
@@ -25,3 +25,5 @@ Hailay Grasscraft strickczq XhuaiRLin Dixon
 
 * <http://get.ftqq.com/6914.get>互联网出版套路出版
 * <https://www.jianshu.com/p/7c77e23c6cef>简书
+
+<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/cn/"><img alt="知识共享许可协议" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/3.0/cn/88x31.png" /></a><br />本作品采用<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/cn/">知识共享署名-非商业性使用-禁止演绎 3.0 中国大陆许可协议</a>进行许可。