https://blog.wongcw.com/2020/03/03/%e8%a6%96%e7%b6%b2%e8%86%9c%e7%b4%9a%e9%9b%99%e6%9b%b2%e5%b1%8foppo-watch%e7%b4%b0%e7%af%80%e5%85%ac%e4%bd%88%ef%bc%9a100-dci-p3%e5%bb%a3%e8%89%b2%e5%9f%9f/