https://blog.wongcw.com/2018/11/25/huawei-pay%e9%96%8b%e9%80%9a%e5%8c%97%e4%ba%ac%e4%ba%a4%e9%80%9a%e8%81%af%e5%90%88%e5%8d%a1%ef%bc%9a%e7%9c%be%e6%b8%ac%e7%94%a8%e6%88%b6%e5%8f%af%e7%94%a8/