Why is it that after my traffic runs out every month, that mobile is just a short message, a website and a small advertisement sent every day? +Do you have monthly traffic?

This is a mobile phone promotion, leave it alone! When you click in, your traffic will exceed, and if it exceeds, your expenses will soar. .....

I have canceled the monthly subscription and still send it to me every month, with a special note: your monthly traffic is free ... I am speechless! I called 10086 and told them not to send it, but the result was still the same. ......