After the credit card is pre-authorized, if the original pre-authorization card (authorization number generated by the first pre-authorization transaction and online transaction) is used to complete the pre-authorization, the line will be restored in real time. If there is no refund, check whether the original credit card is not used for pre-authorization to complete the checkout, but:

1) cash payment

2) Pay by other credit cards.

3) Although the original pre-authorization card was used, the POS machine directly swiped the card online for consumption (generating a new authorization number).

4) Although the original pre-authorization card is used and the authorization number generated from the first pre-authorization transaction is used, offline card pressing settlement (a very old credit card transaction method, you need to use such an old machine as a card pressing machine, and you have to call the bank authorization center to apply for pre-authorization to complete the operation.

Generally, it is necessary to wait until the pre-authorization expires (usually 50 days after the pre-authorization transaction), and the bank will automatically unfreeze the pre-authorization and restore the authorized amount.

Don't worry, pre-authorization is just like paying a deposit, except that the deposit is entrusted by the bank. No one can swallow your money without pre-authorization. This is very common abroad, especially in star-rated hotels.