1. Check the bank card information: Make sure that the bank card information you entered is accurate, including the bank card number, cardholder's name, expiration date, CVV code and other errors, which may lead to payment failure or rejection by the bank.
2. Contact the bank: If the bank card is still unable to pay successfully, you can contact your bank and ask if there are any problems preventing your payment. It may be that the bank has made a risk assessment of your transaction, and you need to confirm it before you can lift the restriction.
3. Clean up the cache and cookies: Sometimes browser cache or cookie problems may lead to abnormal payment. You can try cleaning up your browser cache and Cookie, and then try to pay again.