Bank of Communications has a 2-day grace period for repayment. \x0d\ If it is still within 2 days, the repayment will be made immediately, with no extra expenses and no impact on personal credit. \x0d\ Of course, if you have to, please use it carefully and use the grace period conservatively. \x0d\ If two days have passed, please repay immediately and call the credit card center to explain the situation, so as to get some understanding. \x0d\ In any case, repay as soon as possible, and the later repayment will have greater impact on credit.