Questions about debit card hotel pre-authorization

Formal practice, if pre-authorization is done when checking in, the cashier should confirm the pre-authorization when checking out, and the amount of consumption will be credited to the hotel account, and the excess will remain in your card. Thaw within 30 days. If the cashier makes a direct payment without confirming the pre-authorization, then your pre-authorization will still be in your card. Generally, bank cards are unfrozen in 30 days, but this has never happened to you. You should go find the hotel to solve the problem for you. As for finding the card issuing bank or the bank to which the POS machine belongs, that is up to them. But you should call and ask the issuing bank of your card about the situation, and you should have some confidence in your mind.