diff --git a/README.md b/README.md
index 5cbb61c..1add965 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+**[English](README.md)** | **[中文](README.zh-CN.md)**
+
 # Claude Code Source Analysis
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
diff --git a/README.zh-CN.md b/README.zh-CN.md
index e1fd177..1370931 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -1,3 +1,5 @@
+**[English](README.md)** | **[中文](README.zh-CN.md)**
+
 # Claude Code 源码分析
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)