The successful payment of high-speed rail ticket shows that it has been cancelled.

The payment was successful when purchasing the high-speed rail ticket, but it was cancelled, which may be due to the following reasons:

1. System failure: The high-speed rail ticketing system may fail, resulting in the automatic cancellation of orders by the system.

2. Insufficient train tickets: The high-speed rail ticketing system will automatically detect the situation of train tickets. If there are insufficient train tickets, the system will automatically cancel the order.