Why can't the front desk scan code rebate of Meituan Hotel be opened?

Meituan hotel front desk scan code rebate can't open the network fault. According to the relevant public information of the inquiry, the reason and solution for the failure of the front desk scan code rebate of Meituan Hotel are: network failure, just restart the connection network, or restart the mobile phone. As long as vicious competition is not involved, hotels will not do business at a loss.