https://blog.wongcw.com/2020/06/27/%e5%82%b3%e8%8f%af%e7%82%ba%e5%b0%87%e6%8e%a8mate-watch%ef%bc%9a%e6%90%ad%e8%bc%89%e9%b4%bb%e8%92%99os-%e8%88%87mate40%e4%b8%80%e5%90%8c%e7%99%bc%e5%b8%83/