Failed to save qq video.

Excuse me, what you are asking is "What should I do if the QQ video fails to be saved?" ? This situation can be solved in the following ways:

1. Check the network connection: make sure that the network connection is stable and fast enough. If there is a problem with the network connection, you can try to reconnect the network or change the network environment.

2. Check the storage space: Make sure that the device has enough storage space to save the video. If the storage space is insufficient, you can try to clean up some unnecessary files or uninstall some unnecessary applications.

3. Update the application version: Make sure that the version of QQ application you are using is the latest. If it is not the latest, you can try to update the application version.

4. Check the permission settings: Make sure that the QQ application has sufficient permission to save the video. If the permissions are not enough, you can try to add corresponding permissions to the application in the application settings.

5. Reinstall the application: If the above methods can't solve the problem, you can try to uninstall the QQ application and reinstall it.