The spokesperson of the center explained that currently, the advance ticket sales period is 15 days. With the introduction of the ticket purchase pre-filling feature, passengers can pre-fill information such as passenger details, train number, and seat class on the day the tickets go on sale. They can then submit the order and complete the payment with one click when the tickets become available for purchase. Additionally, The 12306 platform has launched the sale alert subscription feature. Passengers can set multiple reminders in advance of the ticket sale time, facilitating timely submissions of ticket purchase orders. The sale time for tickets for each train can also be checked through the 12306 platform.