https://blog.wongcw.com/2021/02/04/macos-11-1-11-2%e5%87%ba%e7%8f%be%e5%a4%96%e6%8e%a5%e9%a1%af%e7%a4%ba%e5%99%a8%e5%95%8f%e9%a1%8c%ef%bc%9ausb-c%e7%84%a1%e6%b3%95%e7%94%a84k%e9%8e%96%e5%ae%9a30hz/