diff --git a/README-cn.md b/README-cn.md
index 31c3d86..73ffe73 100644
--- a/README-cn.md
+++ b/README-cn.md
@@ -27,7 +27,7 @@
 
 <br/><br/>
 <p align="center">
-  <img src="./img/regexp-en.png" alt="Regular expression">
+  <img src="./img/regexp-cn.png" alt="Regular expression">
 </p>
 
 以上的正则表达式可以接受 `john_doe`, `jo-hn_doe`, `john12_as`.
diff --git a/01.png b/img/regexp-cn.png
similarity index 100%
rename from 01.png
rename to img/regexp-cn.png