How to apply for a refund if tickets to many scenic spots in Chengdu are sold out?

Click where to cancel the order via the purchased e-ticket. Because when traveling to Chengdu scenic spots, you usually choose to buy tickets through the ticketing platform. This way you can buy tickets in advance and make a one-day reservation, reducing the trouble of queuing up to buy tickets on site, and after buying tickets on the platform, you will The electronic ticket is issued by the system, and you can handle the refund by clicking Cancel Order under the electronic ticket, and the fee will be returned to the original account.