diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # knock: A port-knocking implementation in Rust
 
-<img src="https://raw.githubusercontent.com/TimothyYe/knock/master/images/knock.png" width="600">
+[中文文档](https://github.com/TimothyYe/knock/blob/master/README_CN.md)
 
-<img src="https://i.imgur.com/AW1Df4X.png" width="600">
+<img src="https://raw.githubusercontent.com/TimothyYe/knock/master/images/knock.png" width="600">
 
 ## What is port-knocking?