update readme for documents links (#681)

readme-cn.md

@@ -159,7 +159,7 @@ GO111MODULE=on GOPROXY=https://goproxy.cn/,direct go get -u github.com/tal-tech/
 
 * API 文档
 
-  [https://go-zero.dev/zh-hans/](https://go-zero.dev/zh-hans/)
+  [https://go-zero.dev/cn/](https://go-zero.dev/cn/)
 
 * 常见问题
 

readme.md

@@ -200,14 +200,13 @@ go get -u github.com/tal-tech/go-zero
 
 ## 7. Benchmark
 
-Document: [https://go-zero.dev/en/](https://go-zero.dev/en/)
-
 ![benchmark](https://raw.githubusercontent.com/tal-tech/zero-doc/main/doc/images/benchmark.png)
 
 [Checkout the test code](https://github.com/smallnest/go-web-framework-benchmark)
 
 ## 8. Documents (adding)
 
+* [Documents](https://go-zero.dev/en/)
 * [Rapid development of microservice systems](https://github.com/tal-tech/zero-doc/blob/main/doc/shorturl-en.md)
 * [Rapid development of microservice systems - multiple RPCs](https://github.com/tal-tech/zero-doc/blob/main/docs/zero/bookstore-en.md)
 * [Examples](https://github.com/zeromicro/zero-examples)