2. The risk of the user's trading behavior is monitored by the bank, which makes the transaction unable to continue. For example, if a user buys breakfast with a credit card, but the amount of the credit card is tens of thousands of yuan, there must be something suspicious.

Therefore, it is suggested that users can use other methods to pay first, and then see if they really reach the limit. If not, you can call the customer service of the card bank to inquire about the situation and then solve it to avoid similar behavior in the subsequent use of the credit card.