Spring Airlines canceled my original flight and changed it. Where should I check the next day?

Spring Airlines canceled my original flight and changed it to 12306 the next day.

1, open 12306app.

2. Click on the lower right corner.

3. Click on the order, click on the paid order, select the order to be changed, and click.

4. Click Change, select the date to change, and then click Query Ticket.

5. Click on the changed train number, submit the order and confirm the change.