Receive SMS to buy buried pile members.

That should be careless, or it may be maliciously bound. You don't care. Just call the customer's manual service and ask him to cancel, or pay attention to the official WeChat account of the service provider to see if there is any unsubscribe business. Unicom's official WeChat account can be unsubscribed. Such operators are all connected with service providers, and it is generally difficult to find out. Pay attention to the charges of their mobile phones, and don't let these malicious operators take advantage of it.