a short time. This is because many small transactions are swiped continuously on the POS machine and prompted for frequent transactions, so you only need to wait for a short time before trading again. Because the credit card is prompted for frequent transactions by the bank's risk control, you need to consult the bank's customer service or go to the bank counter to cancel it. The cancellation time will vary depending on the bank and the situation, and you need to understand the bank's regulations and procedures.