1. Ping An Pratt & Whitney bank card is filled in incorrectly, and the bank card number needs to be changed. Users can return to the authentication page, re-enter the bank card number, and then authenticate according to the process. There is no charge for modifying the loan bank card number.

2. The borrower shall not pay the so-called "authentication fee" or "unfreezing fee" by himself. Generally speaking, the premise of successful transfer through the bank or payment platform transfer system is that the bank card information such as account name and card number are consistent. Otherwise, the remittance will be returned in the same way, and the remittance will fail. General lending institutions need to bind bank cards. The official platform will verify whether the borrower's name, ID card, mobile phone number and bank card number are unified. If there is a problem, it will be reminded at the first time, and the card number error cannot be successfully bound. So even if the loan is successful, as long as the bank card number is modified in time, the money will still remain in the account balance.