A method includes detecting, using one or more processors, whether a coordinated electronic device is within a preset area around a coordinating electronic device, pairing the coordinating electronic device with the coordinated electronic device in response to detecting that the coordinated electronic device is within the preset area, negotiating with the coordinated electronic device to determine a display parameter of the coordinating electronic device in response to successfully pairing the coordinating electronic device and the coordinated electronic device, and displaying a target content according to the display parameter.