JOY problem

[fdcqsjn]

When I use *roslaunch ardrone_tutorials joystick_controller.launch *
Have problems
Show this:

  File "/root/catkin_ws/src/ardrone_tutorials/src/joystick_controller.py", line 66, in <module>
    AxisYaw         = int (   rospy.get_param("~AxisYaw",AxisYaw) )
ValueError: invalid literal for int() with base 10: '0>'
Getting AR.Drone version ...
================================================================================REQUIRED process [joystick_controller-3] has died!
process has died [pid 14816, exit code 1, cmd /root/catkin_ws/src/ardrone_tutorials/src/joystick_controller.py __name:=joystick_controller __log:=/root/.ros/log/75104652-aacd-11e5-bf5a-9439e58157c7/joystick_controller-3.log].
log file: /root/.ros/log/75104652-aacd-11e5-bf5a-9439e58157c7/joystick_controller-3*.log
Initiating shutdown!
================================================================================
[joystick_controller-3] killing on exit
[joy_node-2] killing on exit
[ardrone_driver-1] killing on exit

Are my config wrong?I can get my XBOX controler on jstest.