https://blog.wongcw.com/2021/03/13/verkada%e5%ae%89%e9%98%b2%e6%94%9d%e5%83%8f%e9%a0%ad%e6%94%bb%e6%93%8a%e4%ba%8b%e4%bb%b6%e5%be%8c%e4%b8%80%e5%90%8d%e9%bb%91%e5%ae%a2%e5%b7%b2%e9%81%ad%e7%91%9e%e5%a3%ab%e7%95%b6%e5%b1%80%e6%90%9c/