https://blog.wongcw.com/2020/11/18/magsafe%e9%9b%99%e9%a0%85%e5%85%85%e9%9b%bb%e5%99%a8%e7%b4%b0%e7%af%80%e6%9b%9d%e5%85%89%ef%bc%9a%e6%9c%80%e9%ab%98%e5%af%a6%e7%8f%be14w%e7%84%a1%e7%b7%9a%e5%bf%ab%e5%85%85/