测试发图

不错，我会发图了。

发个视频试试：

https://www.youtube.com/watch?v=nxkKaxabaNQ

<iframe width="640" height="360" src="https://www.youtube.com/embed/nxkKaxabaNQ" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>