Don't merchants in Meituan Hotel need to scan the code?

Meituan hotel merchants do not need to scan the code. There is no QR code in the hotel booked by Meituan. After booking a hotel on Meituan, there will be an order and the order number will come out. If you want to stay in the hotel after you arrive, just show your ID card, and then the hotel can check your order without scanning the QR code.