Zigbee accessories can connect the Aqara Home APP via the Hub. When connecting the Aqara Home APP, please select the Hub to bind according to the prompt in the app. If you want to change the Hub bound to a Zigbee accessory, please firstly delete the Zigbee accessory from the app homepage and add it again, then re-add the Hub to be bound. You can view the list of accessories bound to the Hub in the app.