https://blog.wongcw.com/2020/11/04/%e6%a6%ae%e8%80%80v40%e7%b3%bb%e5%88%97%e6%96%b0%e6%a9%9f%e8%a6%8f%e6%a0%bc%e8%88%87%e6%b8%b2%e6%9f%93%e5%9c%96%e6%9b%9d%e5%85%89%ef%bc%9a66w%e5%bf%ab%e5%85%85120hz%e9%ab%98%e5%88%b7%e5%b1%8f/