diff --git a/README.md b/README.md
index 89a1b70..d438068 100644
--- a/README.md
+++ b/README.md
@@ -18,4 +18,6 @@
 
 Author：tennc
 
-http://tennc.github.io/webshell
\ No newline at end of file
+http://tennc.github.io/webshell
+
+<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-nc-sa/3.0/80x15.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License</a>.