diff --git a/README.md b/README.md
index 9a3338d..ee0595a 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,6 @@ cp -rf _book/* ../docs
 
 ## 许可
 
-[ACC BY-SA 3.0 协议](https://creativecommons.org/licenses/by-sa/3.0/deed.zh
-
+[ACC BY-SA 3.0 协议](https://creativecommons.org/licenses/by-sa/3.0/deed.zh)