2. open the digital RMB wallet application, click "add bank card" or "add credit card", and follow the prompts to add credit card information to the wallet.
3. after adding, you can select a credit card for payment or transfer in the "payment" or "transfer" function of the digital RMB wallet.
4. Enter the amount to be repaid, and then follow the prompts to complete the payment operation. Please note that the repayment amount should include the principal, interest and expenses owed by the credit card.
5. After the payment is completed, you will receive a notice of successful credit card repayment. At this point, your credit card debt has been repaid.