1. Network problem: Jump failed due to network problem. The currently connected network is unstable or the network speed is too slow. You can reconnect to the network or change to a stable and fast network environment and try again.

2. Software problems: Tian Tian Fund's national debt sometimes encounters failures, which can be solved by restarting the application. You can also uninstall and reinstall the latest version to eliminate any known errors.

3. Browser problem: Jump failed due to conflict of browser settings or plug-ins. You can try changing the browser or closing the browser plug-in and try again.