added introduction of proc

serveCommand.go

@@ -54,6 +54,7 @@ func cmdEcho(ss *openIDSessionData, in InWechatMsg) (processed bool) {
 	processed = true
 	in.replyText("请输入不同类型的微信信息，比如文字，图片，视频，地址，链接，我们将原样回应您")
 	procEcho.init(ss)
+	procEcho.intro(ss)
 	procEcho.start(ss, in)
 	log.Println("外面的 procedure=" + ss.Procedure)
 	return