diff --git a/README.md b/README.md
index cf18c80..a75085f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # WeChat SDK for Go
-[![Build Status](https://travis-ci.org/silenceper/wechat.svg?branch=master)](https://travis-ci.org/silenceper/wechat)
+[![Build Status](https://travis-ci.org/silenceper/wechat.svg?branch=master)](https://travis-ci.org/silenceper/wechat) [![GoDoc](http://godoc.org/github.com/silenceper/wechat?status.svg)](http://godoc.org/github.com/silenceper/wechat)
+
 
 使用Golang开发的微信SDK，简单、易用。
 
diff --git a/doc.go b/doc.go
new file mode 100644
index 0000000..0a81400
--- /dev/null
+++ b/doc.go
@@ -0,0 +1,35 @@
+/*
+Package wechat provide wechat sdk for go
+
+使用Golang开发的微信SDK，简单、易用。
+
+以下是一个处理消息接收以及回复的例子：
+
+```
+//配置微信参数
+config := &wechat.Config{
+    AppID:          "xxxx",
+    AppSecret:      "xxxx",
+    Token:          "xxxx",
+    EncodingAESKey: "xxxx",
+}
+wc := wechat.NewWechat(config)
+
+// 传入request和responseWriter
+server := wc.GetServer(request, responseWriter)
+server.SetMessageHandler(func(msg message.MixMessage) *message.Reply {
+
+    //回复消息：演示回复用户发送的消息
+    text := message.NewText(msg.Content)
+    return &message.Reply{message.MsgText, text}
+})
+
+server.Serve()
+server.Send()
+
+```
+
+更多信息：https://github.com/silenceper/wechat
+
+*/
+package wechat