How to use Qunar.com's upgrade rights?

How to use Qunar.com's upgrade rights is as follows.

1. When booking a hotel, choose a room that meets the upgrade rules.

2. Please enter the room type upgrade discount code before paying the room rate.

3. The system will automatically calculate the discounted room rate, and the user needs to pay the discounted room rate and complete the reservation.

4. After arriving at the hotel, you can enjoy the upgrade right by showing the reservation information and relevant documents to the front desk staff.