1. In the case of supporting the payment code, the user will get an error message when scanning the code and pressing the identification QR code for a long time: the merchant has abnormal behavior, and it is temporarily not supported to press the identification QR code to complete the transaction.
2. When the user scans the QR code of the merchant receipt, there will also be a security prompt: the current transaction is abnormal and the payment cannot be completed temporarily. Please pay attention to the legal use of the payment account, otherwise the restrictions will be upgraded.