Thank you for your invitation. First of all, you should instruct the bank customer service to confirm the handling of the problem described in the question. The reason for the formation of bad debts is that they are overdue and the bank's collection is fruitless. The cardholder can't pay off the debt until he confirms it. Remember that after paying off, your bad debt record will become overdue in the credit information system. For more tips on using credit cards, you can leave a message if you are not clear.

Editor: small goals earn 100 million