A method includes displaying a first user interface, displaying a first simulated operating state of a smart home device in a status display area in response to selecting a first control, receiving an association success notification, displaying a second user interface, and sending a control instruction to the smart home device in response to selecting a second control. The first user interface includes the first control for controlling the smart home device and a status display area of the smart home device. The second user interface includes the second control for controlling the smart home device and the status display area of the smart home device. The control instruction instructs the smart home device to enter a first operating state according to the selecting the second control, and displaying a second simulated operating state of the smart home device in the status display area of the second user interface.