https://blog.wongcw.com/2018/10/18/macbook%e5%9c%a8mac-win%e5%b9%b3%e5%8f%b0%e4%b8%8b%e4%bd%bf%e7%94%a8printscreen%e6%93%b7%e5%8f%96%e7%95%ab%e9%9d%a2/