https://blog.wongcw.com/2019/11/06/%e4%b8%ad%e5%9c%8b%e9%9b%bb%e4%bf%a15g%e4%b8%bb%e5%a5%97%e9%a4%90%e4%bd%bf%e7%94%a8%e8%a6%8f%e5%89%87%e6%9b%9d%e5%85%89%e8%b6%85%e5%87%ba%e5%a5%97%e9%a4%90%e5%be%8c%e6%b5%81%e9%87%8f3%e5%85%83-1gb/
中國電信5G主套餐使用規則曝光超出套餐後流量3元/1GB