https://blog.wongcw.com/2021/04/28/android%e7%b3%bb%e7%b5%b1%e6%bc%8f%e6%b4%9e%e5%b0%87covid-19%e8%81%af%e7%b9%ab%e4%ba%ba%e8%bf%bd%e8%b8%aa%e8%a8%98%e9%8c%84%e6%9a%b4%e9%9c%b2%e7%b5%a6%e9%a0%90%e8%a3%9d%e6%87%89%e7%94%a8%e7%a8%8b/