https://blog.wongcw.com/2021/06/06/%e8%8f%af%e7%82%bap30%e3%80%81mate20-x%e8%a8%88%e5%8a%83%e6%8f%90%e5%89%8d%e9%96%8b%e5%95%9fharmonyos-2%e5%85%a7%e6%b8%ac/