diff --git "a/\351\251\254\346\231\266\346\225\217/README.md" "b/\351\251\254\346\231\266\346\225\217/README.md"
index 269b552..0069f7c 100644
--- "a/\351\251\254\346\231\266\346\225\217/README.md"
+++ "b/\351\251\254\346\231\266\346\225\217/README.md"
@@ -6,7 +6,7 @@
 
 ## 1.[longest_common_prefix](https://github.com/guangcity/learning-algorithm/tree/master/%E9%A9%AC%E6%99%B6%E6%95%8F/longest_common_prefix)
 
-## 2.
+## 2.哈哈哈
 
 Hello，小伙伴你好！e
 我是curry_girl,马晶敏