https://blog.wongcw.com/2020/02/26/oppo-watch%e7%9c%9f%e6%a9%9f%e5%9c%96%e9%a6%96%e6%9b%9d%ef%bc%9a%e9%ab%98%e9%a1%8f%e5%80%bc%e9%9b%99%e6%9b%b2%e9%9d%a2%e8%a8%ad%e8%a8%88%e9%81%8b%e8%a1%8candroid%e7%b3%bb%e7%b5%b1/