Credit card prepayment can be canceled at any time, and the refund will be credited three to five days after cancellation. Credit card prepayment, also known as "pre-authorization":

Credit card pre-authorization refers to the card issuer or Its agency confirms transactions with a frozen limit before deducting money from the special merchant;

Pre-authorization will occupy the credit limit of the card, and when the customer settles the pre-authorization, the pre-authorization will be cancelled;

If the customer does not make settlement within 30 days after the pre-authorization occurs, the pre-authorization will be canceled;

In layman’s terms, it is a prepayment method, which can be understood as " deposit". When a consumer uses a credit card to book a hotel or air ticket, the bank will first freeze a portion of the funds in the credit card as a "deposit" for the merchant's consumption. After the consumption is completed, the cardholder's signature is pre-authorization confirmation, and the merchant can officially deduct the money. This part of the funds.