https://blog.wongcw.com/2019/11/06/%e5%b0%8f%e7%b1%b3%e6%89%8b%e9%8c%b6%e6%ad%a3%e5%bc%8f%e7%99%bc%e5%b8%83%ef%bc%9a%e6%94%af%e6%8c%81esim%e7%8d%a8%e7%ab%8b%e9%80%9a%e8%a9%b1%e6%90%ad%e8%bc%89miui-for-watch/