1. It may be a software version problem, so it is recommended to update to the latest version or uninstall and reinstall.
2, network problems, you can try to switch networks before operating.
3. It may be a problem with the cache of the mobile phone system. You can try clearing the cache and operate again.
4. Personal account problem: If there is no personal account or the account status is abnormal, it may lead to the inability to use the hidden resume function.