1) Contact the bank to report the loss at the first time, so as to avoid the loss from expanding, and transfer the responsibility to the bank after reporting the loss.

2) Call the police immediately, collect the evidence that is not at the payment site and the report record sheet, and prepare evidence for rights protection.

3) Contact a lawyer immediately to minimize possible risks. Don't worry that contacting a lawyer will delay too much time. For simple cases, general lawyers can sort out the ins and outs within 5 minutes and give corresponding opinions.