After the cancellation of a single card, if the credit card is still valid for 2 months or more, you can call 4008205555 at any time to apply for a card refund; After the cancellation of the whole household, you can call 4008205555 within 6 months from now, and turn to manual customer service to apply for card refund. The final result will be subject to review; If the recovery card is not successfully processed, you can re-apply for a credit card; Please contact the authorized personnel of the company to issue a business processing form for the business card.