Solution:
1. Check whether the Mi Home APP is the latest version, upgrade the Mi Home APP to the latest version, and try to restart the Mi Home APP;
2. Check whether the distance between the feeder and the router is too far, try to get close to the router;
3. Check whether the router has enabled MAC address filtering, black and white list settings, disable MAC address filtering and black and white list and try;
4. Try to reset Xiaomi Smart Pet Food Feeder WiFi;
5. Try to change the network environment or mobile phone hotspot;