The plus sign is generally not displayed and means that a credit card transaction occurred. The minus sign ("-") means that the transaction is a repayment or a credit card refund. \x0d\When the credit card repayment amount is greater than the amount owed, the extra part will be displayed as a negative number, which is the so-called overpayment. \x0d\1. Overpayment is accumulated on the credit limit, and this part of the credit will be occupied first the next time you consume; \x0d\2. When you withdraw the overpayment, you may need to pay a handling fee; overpayment with China Merchants Credit Card can be withdrawn in cash You need to pay a handling fee, usually 1 per transaction, with a minimum of 10 yuan per transaction. Some banks do not require handling fees.