Don't worry in this case, just wait for the system to return to normal. If you have any questions, you can call the customer service of China Construction Bank.
Extended data:
Credit card, also known as debit card, is a credit certificate issued by commercial banks or credit card companies to eligible consumers. It is a card with name, expiration date, number and cardholder's name printed on the front, and a magnetic stripe and signature strip on the back. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limits.
Credit cards are divided into credit cards and quasi-credit cards. Credit card refers to a credit card in which the cardholder has a certain credit limit and can spend first and then repay. Quasi-credit card refers to a quasi-credit card in which the cardholder deposits a certain amount of reserve fund according to the regulations, and when the balance of the reserve fund account is insufficient to pay, it can be overdrawn within the prescribed credit limit. Credit cards usually refer to credit cards.
The main features of credit cards:
1. Cash deposit is not allowed. You can enjoy an interest-free repayment period and can repay in installments (minimum repayment amount). Join international credit card organizations such as VISA, Master Card and JCB for global use.
2. One of the fastest-growing financial services today is electronic money, which can replace the traditional cash circulation to a certain extent.
It has two functions: payment and credit. Cardholders can use it to buy goods or enjoy services, and they can also get some loans from card issuers by using credit cards.
4. High-tech products combining financial services with computer technology.
5. Reduce the use of cash currency.
6. Provide settlement services to facilitate shopping and consumption and enhance the sense of security.
7. Simplify collection procedures and save social labor.
8. Promote commodity sales and stimulate social demand.
9. It is not only safe and convenient to swipe your card when shopping, but also an extra gift.
10. Special merchants who hold cards in banks can enjoy discounts.