https://blog.wongcw.com/2021/09/29/%e5%a4%8f%e6%99%ae%e6%8e%a8%e5%85%a8%e7%90%83%e6%9c%80%e8%bc%955g%e6%89%8b%e6%a9%9f%ef%bc%9a%e5%83%85%e9%87%8d146%e5%85%8b-6-4%e5%90%8b240hz%e8%9e%a2%e5%b9%95/