1. Contact your bank or payment platform as soon as possible, report this transaction and ask to cancel or change the order. They may investigate this and take necessary measures to protect your account.
2. If you use a credit card for transaction, please contact your credit card company and report the transaction, and they may take necessary measures to protect your account.
3. If you have paid the fraudster, please contact your bank or payment platform and ask to cancel the transaction. They may help you get your money back.