For your reference, you can refer to the troubleshooting methods below:
1. Verify the device's network connectivity by attempting to switch to a different network environment;
2. Confirm if the Xiaomi Home Secure subscription is still active;
3. Ensure both the camera firmware and the Mi Home/Xiaomi Home APP are updated to the latest versions;
4. Reboot or reset the camera to troubleshoot any operational issues;
5. Clear the Mi Home/Xiaomi Home APP's background data and attempt the operation again.