It is considered that the two are similar in nature and may have a certain competitive relationship. If the credit card line can be repaid, it is to use the overdraft line to repay another overdraft line, which is not good for banks and Ant Financial, so this repayment method will be banned.
At present, the repayment method of Huabai supports Alipay balance, Yu 'ebao balance and debit card balance, all of which are cash repayment of overdraft arrears. Therefore, if you want to repay by credit card, you can only realize the repayment operation by withdrawing the existing deposit into Alipay account. However, in this case, it is not friendly to its own interests.