diff --git a/README.md b/README.md
index e9295b3..07c9ab4 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 [![Nuget](https://img.shields.io/nuget/v/FastTunnel.Core)](https://www.nuget.org/packages/FastTunnel.Core/)
 [![Nuget](https://img.shields.io/nuget/dt/FastTunnel.Core)](https://www.nuget.org/packages/FastTunnel.Core/)
 
-[README](README.md) | [中文文档](README_zh.md)
+ [中文文档](README_zh.md) | [README](README.md) | [Principle and use tutorial](/docs/blogs.md)
   
   ***This project supports any commercial and secondary development activities, but seriously despises plagiarizing and copying the code, implementation scheme or architecture of this project and repackaging them into their own open source works.***