https://blog.wongcw.com/2020/09/16/%e9%83%ad%e6%98%8e%e7%90%aa%ef%bc%9a120hz%e5%b1%8f%e5%b9%95%e7%9a%84iphone%e8%a6%81%e5%88%b02021%e5%b9%b4%e6%89%8d%e5%87%ba%e7%8f%be/