diff --git a/README_CN.md b/README_CN.md
index 60a05a26..3a2eb426 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -76,6 +76,6 @@ MegEngine 使用 Apache License, Version 2.0 。
   howpublished = {\url{https://github.com/MegEngine/MegEngine}},
   year = {2020}
 }
-
+```
 
 Copyright (c) 2014-2021 Megvii Inc. All rights reserved.