https://www.smartcardmacao.com/2018/06/18/%e8%b7%9f%e4%b8%80%e5%a0%86%e6%9c%83%e5%93%a1%e5%8d%a1%e8%aa%aa%e5%86%8d%e8%a6%8b%ef%b9%97google-pay-%e4%b8%80%e6%ac%a1%e5%84%b2%e5%ad%98%e4%b8%a6%e6%94%af%e6%8c%81%e5%ba%97%e5%ae%b6%e6%8e%83qr-code/