1. The bound bank card needs to be a debit card, and the credit card or quasi-credit card is incorrectly bound;

2. The bank to which the bound bank card belongs is not in the list of banks supporting card binding;

3. The account name of the bound bank card is inconsistent with the uploaded ID card account name. Please use your ID card as required;

4. Fill in the non-bank reserved mobile phone number; If it still hasn't been solved, you can try it another time, or call the bank bound by the card for consultation.