1. Network delay: check whether the bank card is deducted. In case of deduction, query the deduction number in the account details of online banking account. If it is not debited, please try again at another time.

2. The network or system is busy: in this case, it is recommended to change the time period or payment method;

3. Check whether the certificate is installed on the computer, or whether the ICBC U shield is installed;

4. Check whether the bank card has funds and whether the amount of tickets purchased is sufficient.