Why can't the y702 train buy tickets online?

Train failure, ticketing system failure, train time adjustment, train outage.

1. Train failure: If the train stops or cannot operate normally due to train failure, there will be problems in buying tickets online.

2. Ticket system failure: Due to the failure of the ticket system, tickets cannot be sold normally. At this time, you can try to buy tickets at the train station or the sales point.

3. Train timetable adjustment: The train timetable has been adjusted, so it will be impossible to buy tickets. At this time, you need to pay attention to the official announcement and get the latest train schedule information in time.

4. The train stops: If the train stops for some reason, there will be problems in online ticket purchase. At this time, you need to pay attention to the relevant announcements issued by the government and keep abreast of the latest train outage information.