You can give an example:
Open WeChat and switch to the address book interface;
In the official account of WeChat, click the service number and search the bank credit card center;
In the data interface of the bank credit card center, click the "Follow" button;
Then you will receive the information from China Merchants Bank Credit Card Center, find the words "Click to verify your identity immediately", and click;
Enter and submit the ID number, inquiry password and additional code of the credit card holder. After the association is successful, you can receive a free WeChat reminder.
The related WeChat reminder service is completed.