What is the cancellation of the QR code of Alipay Wangfujing Gongmei ice pier order?

Get something and the QR code will be cancelled.

After the customer successfully places an order in the system, they will get the QR code of the order. If the short message function of the merchant is enabled, a short message will be sent to the customer, and the address of the short message is the QR code of the order. You can directly click Open to view the QR code of your order. After arriving at the store, the owner will show the QR code to the waiter, and the waiter will use the scanning gun to verify and cancel the order, and the cancelled QR code will automatically become invalid.