Tools: iPhone 12, iOS 15.0, Railway 12306v5.4.0.
1. Enter the railway 12306 software, search for the information of the departure station and terminal station you want to buy, and click on the exchanged trains on the search results page.
2. On the order confirmation page, click to select the transferee.
3. Click OK after confirming the transferee.
4. Then submit the order on the order confirmation page.
5. On the page of order payment, click point payment again.