Reasons and solutions for not being able to pay for online bookings:

1. The payment control is not downloaded: Download and install the bank network payment control corresponding to the bank card. After the installation is completed, refresh it. You can continue to pay.

2. The online banking account balance is insufficient: Make the online banking funds sufficient.

3. The system background is under maintenance: pay attention to bank announcements and wait until the maintenance is completed before proceeding.