Hi, please check if the person detection is turned on, Hi, please check if the person detection is turned on, if yes, please turn it off, because if it is turned on, the camera will only be able to detect the movement of a whole person, so it will cause this to happen.if yes, please turn it off, because if it is turned on, the camera will only be able to detect the movement of a whole person, so it will cause this to happen.