用autoit做个script。在分屏模式下，不停开关一个文件就可以了。

https://www.portablefreeware.com/?id=50

AutoIt Portable is a portable wrapper for AutoIt and SciTE4AutoIt3. It ensures SciTE doesn't leave any traces on the users machine. To install you can either use the AutoIt Creator or manually create the AutoIt package by following the instructions below.