diff --git a/doc.go b/doc.go
index 0a81400..48c9295 100644
--- a/doc.go
+++ b/doc.go
@@ -5,29 +5,27 @@ Package wechat provide wechat sdk for go
 
 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)
+	//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 {
+	// 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}
-})
+		//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()
+	server.Serve()
+	server.Send()
 
-```
 
 更多信息：https://github.com/silenceper/wechat