How to use hector_quadrotor_gazebo_plugins

[Iwtbm]

Hi, I want to use this plugins to control. But rostopic list shows me that /motor_pwm topic does not exist. I have changed the CMakeList:

option(USE_RTT_CONTROLLER "Use a quadrotor controller implemented as Orocos RTT component to control the quadrotor." ON)
option(USE_PROPULSION_PLUGIN "Use a model of the quadrotor propulsion system" ON)
option(USE_AERODYNAMICS_PLUGIN "Use a model of the quadrotor aerodynamics" ON)

But it does not work. What should I do now?