Hello, China Bank is upgrading its system during this period, and there is no system crash. The upgrade will last until October 7th. Please read the following detailed report: The reporter learned from the Bank of China yesterday that from 18: on October 4, 21 to 18: on October 7, 21, due to the upgrade of the computer system, all branches, self-service equipment, telephones, banks and online banking of China Bank will be suspended, but BOC credit card holders can still use their cards for normal consumption. The customer service staff of China Bank said that during the system upgrade, foreign card cash withdrawal, foreign exchange trading, paper gold and inter-bank remittance repayment may be affected to some extent, so cardholders had better not operate during these three days. At the same time, due to the suspension of online banking services, consumers can't use China bank cards for online shopping during these three days. According to the customer service staff, during the system upgrade, China Bank's credit card can still be used as usual in shopping malls, restaurants and other consumer places. At the same time, customers with withdrawal needs can also use ATMs of other banks to withdraw cash, but they will be charged an inter-bank withdrawal fee. At the same time, the reporter learned that after the upgrading of the banking system in China, the consumer credit system will deduct money as usual in case of holidays and will not be postponed to the next working day. Bank of China announced that credit card holders should ensure that the monthly repayment is paid in full before the agreed repayment date, so as not to affect their credit records. A customer service staff member of BOC said that if the cardholder's repayment date happens to be between October 4 and 7, it is best to repay in full before October 1.