On the problem that Ctrip bought a student ticket and changed it into an adult ticket.

Freshman, right? Don't worry, you can buy it like this. Tickets can be collected at the manual window of the station or at the manual ticket collection point 12306. Don't go to the automatic ticket machine. The automatic ticket machine can't get it out. If you buy this way, you can enjoy the discount on the road from school to home, that is, your preferential road, but you can't enjoy the discount on the road you buy more, and you have to pay the full price for the road you buy more. Can you understand?