1. Network problem: Please make sure that your network connection is stable. You can try to reconnect to the network or switch to another network environment.
2. The live broadcast source problem: The live broadcast source may be invalid or restricted by copyright. You can try to find other reliable live broadcast sources or wait for live broadcast signals from official channels.
3. Software problem: If your live broadcast software fails, you can try to uninstall and reinstall the software, or try to use other live broadcast software.
4. Time zone problem: If there is time difference between your time zone and the competition venue, please make sure that your equipment time is set correctly in order to receive the live broadcast signal correctly.
If the above methods still can't solve the problem, you can try to watch the live broadcast on other platforms or through other devices, such as using other browsers or replacing other devices.