https://blog.wongcw.com/2020/06/27/iphone-12-pro%e5%85%a9%e6%ac%be%e6%a9%9f%e5%9e%8b%e6%88%96%e5%b0%87%e9%85%8d%e5%82%99120hz%e5%b1%8f%e5%b9%95/