docs: update README

WineChord · WineChord · commit 5febfe179eef · 2023-11-13T09:31:28.000+08:00
diff --git a/grpc/README.md b/grpc/README.md
@@ -160,7 +160,7 @@ $ protoc --go_out=plugins=grpc:. protocol/hellogrpc.proto
 
 14. Use the grpc-stream method
 
-See [examples](/examples/README.md) for details
+See [examples](./examples/README.md) for details.
 
 ## Related References
 
diff --git a/grpc/README.zh_CN.md b/grpc/README.zh_CN.md
@@ -162,7 +162,7 @@ $ protoc --go_out=plugins=grpc:. protocol/hellogrpc.proto
 ```
 
 14. 使用 grpc—stream 方式
-详见 [examples](/examples/README.zh_CN.md)
+详见 [examples](./examples/README.zh_CN.md)
 
 ## 相关参考
 
diff --git a/grpc/examples/README.md b/grpc/examples/README.md
@@ -1,3 +1,5 @@
+English | [中文](README.zh_CN.md)
+
 ## Before running the sample code
 
 1. Install [trpc](https://github.com/trpc-group/trpc-cmdline) tool, the version must be greater than v0.3.17.
diff --git a/grpc/examples/README.zh_CN.md b/grpc/examples/README.zh_CN.md
@@ -1,3 +1,5 @@
+[English](README.md) | 中文
+
 ## 运行示例代码前
 
 1. 安装 [trpc](https://trpc.group/trpc-go/trpc-go-cmdline) 工具。

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+English \| [中文](README.zh_CN.md)`
	`2`	`+`
`1`	`3`	`## Before running the sample code`
`2`	`4`
`3`	`5`	`1. Install [trpc](https://github.com/trpc-group/trpc-cmdline) tool, the version must be greater than v0.3.17.`
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`@@ -1,3 +1,5 @@`
	`1`	`+[English](README.md) \| 中文`
	`2`	`+`
`1`	`3`	`## 运行示例代码前`
`2`	`4`
`3`	`5`	`1. 安装 [trpc](https://trpc.group/trpc-go/trpc-go-cmdline) 工具。`