Once, the deduction was unsuccessful because the credit card limit was not enough. You can call the bank and ask the bank staff to find out what the deduction is.

Because if the deduction is unsuccessful, the mobile phone information will not show what the deduction is, so you can only call the bank to inquire.

Credit card refers to various media that record the relevant information of the cardholder's account, have the function of bank credit line and overdraft, and provide relevant banking services for the cardholder.