https://blog.wongcw.com/2021/07/15/elevationlab%e6%8e%a8magbase%ef%bc%9a%e7%b5%a6magsafe%e5%85%85%e9%9b%bb%e5%99%a8%e4%b8%80%e5%80%8b%e5%9b%ba%e5%ae%9a%e7%9a%84%e5%ae%b6/