2. Find the train ticket at this time and click Jump.
3. Inside, you need to click on the order window.
4. Next, confirm the change of the position shown in the figure.
5. Choose to change the flight through the corresponding ticket.
6. If there is no problem, submit it according to the actual situation.
7. In this way, after the above operations are completed, relevant results will be obtained, and the purpose can be achieved.