Can I refund my ticket without SMS notification?

You paid the train ticket with WeChat, and the payment was successful, but you didn't receive the successful SMS notification. You can check whether your order has been issued successfully on the platform where you book tickets. If the ticket has been successfully issued, the ticket can be refunded. You can see it on the paid order.

But there is a time limit for refunding tickets. How long is it before departure? You can see the shortest time and refund fee on the website. The following is the refund policy of website 12306.