需要一个USB 转TTL 线

https://blog.kroy.io/2019/09/16/hacking-a-serial-port-into-an-edgerouter-x/

https://www.right.com.cn/forum/thread-194070-1-1.html

刷回UI的系统步骤：

https://help.ui.com/hc/en-us/articles/360018189493