https://blog.wongcw.com/2020/10/14/%e4%b8%80%e6%96%87%e7%9c%8b%e6%87%82iphone12-magsafe%e7%a3%81%e5%90%b8%e7%84%a1%e7%b7%9a%e5%85%85%e5%88%b0%e5%ba%95%e6%80%8e%e9%ba%bc%e5%9b%9e%e4%ba%8b/