https://blog.wongcw.com/2021/01/15/%e4%b8%8b%e4%b8%80%e4%bb%a3macbook%e5%82%b3%e8%81%9e%e9%99%a4%e4%ba%86%e8%98%8b%e6%9e%9c%e8%87%aa%e7%a0%94%e8%8a%af%e7%89%87magsafe%e5%8f%af%e8%83%bd%e6%9c%83%e5%9b%9e%e4%be%86/