Update README.md

README.md

@@ -13,6 +13,8 @@ Github代码全部开源无限制使用，免费开源最终版本为3.7.1，垂
 
 The final version of the free and open source part is 3.7.1, the vertical and horizontal switching calendar liked iOS calendar are no longer open source. If you need the source code to grant authorization or need to customize the calendar, please contact wechat.
 
+<img src="https://github.com/huanghaibin-dev/CalendarView/blob/master/app/src/main/assets/WechatIMG65.jpeg" height="650"/>
+
 [**下载Demo.apk**](https://github.com/huanghaibin-dev/CalendarView/blob/master/CalendarViewDemo.apk)
 
 <img src="https://github.com/huanghaibin-dev/CalendarView/blob/master/app/src/main/assets/screen_recorder.gif" height="650"/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="https://github.com/huanghaibin-dev/CalendarView/blob/master/app/src/main/assets/screen_recorder_main.gif" height="650"/>