Update README_CN.md

README_CN.md

@@ -16,7 +16,7 @@ Apache License, Version 2.0
 
 ![框架设计](https://raw.githubusercontent.com/wiki/dubbo/dubbo-go/dubbo-go%E4%BB%A3%E7%A0%81%E5%88%86%E5%B1%82%E8%AE%BE%E8%AE%A1.png)
 
-关于详细设计请阅读 [code layered design](https://github.com/dubbo/go-for-apache-dubbo/wiki/dubbo-go-V2.6-design)
+关于详细设计请阅读 [code layered design](https://github.com/dubbo/go-for-apache-dubbo/wiki/dubbo-go-V1.0-design)
 
 ## 功能列表 ##