2. Clear the application cache: There may be cache problems in litchi reading. You can go to the device setup menu, find litchi reading in the application management, and then clear the cache and data.
3. Update the application version: If Litchi Reading is an old version, there may be compatibility problems. You can try to update the latest version.
4. Reinstall the application: If all the above methods fail, you can try to uninstall the litchi reading application and reinstall the latest version.