How many room upgrade vouchers does Ado need for staying for three consecutive nights?

This hotel needs three room upgrade vouchers to stay for three consecutive nights.

The room upgrade voucher of Atour Hotel is stipulated to be one per night. The room upgrade voucher is a reward for the member center of Atour Hotel. Each coupon corresponds to a room upgrade for one night, but it cannot be reused. If you need to upgrade the room type, you can go to the hotel front desk for consultation, but you need to make up the difference.

The room upgrade voucher can only be used by the official account of Atour APP and Atour WeChat, and cannot be booked through Ctrip, Qunar and other platforms.