https://blog.wongcw.com/2021/01/18/%e5%82%b3%e5%a4%a9%e7%92%a32000%e6%9c%80%e5%bf%ab%e4%bb%8a%e5%b9%b4%e6%8e%a8%e5%87%ba%e5%b7%b2%e7%8d%b2oppo-vivo-%e6%a6%ae%e8%80%80%e5%a4%a7%e5%96%ae/