https://blog.wongcw.com/2020/09/28/apple-watch-3%e7%9a%84watchos-7%e6%9b%b4%e6%96%b0%e5%b8%b6%e4%be%86%e9%9a%a8%e6%a9%9f%e9%87%8d%e5%95%9f%e7%ad%89%e5%a4%9a%e7%a8%aebug/