What to do if the Xiaomi Outdoor Camera CW500 Dual's Home surveillance function is not working?

If the Xiaomi Outdoor Camera CW500 Dual's Home surveillance function is not working, please refer to the following methods:
1. Try to restart the camera;
2. Enable [Home surveillance] again in [Home surveillance settings];
3. Check the sensitivity settings and alarm interval in [Home surveillance settings];
4. Go to [Camera settings] >> [Image settings] >> turn on [Smart frame] to mark detected human shapes or vehicles in the video;
5. Confirm the settings for the Home surveillance. Go to the Mi Home/Xiaomi Home APP >> select the camera >> tap the three-dot icon at the upper right corner of the screen >> [Home surveillance settings] >> enable [Home surveillance]. You can also set the home surveillance period, sensitivity settings, alarm interval, and detection push notifications.