I use the turtlebot3 based on raspberry pi 3B based on ubuntu mate, And i build ros follow the tutorial on http://emanual.robotis.com/docs/en/platform/turtlebot3/basic_operation/#basic-operation I can simplely run the commands like roscore or roslaunch turtlebot3_example turtlebot3_obstacle.launch but I cannnot launch the turtlebot3_model.launch file, it always show the error

[rviz-3] process has died [pid 3720, exit code -7, cmd /opt/ros/kinetic/lib/rviz/rviz -d /home/lezhou/catkin_ws/src/turtlebot3/turtlebot3_description/rviz/model.rviz __name:=rviz __log:=/home/lezhou/.ros/log/5ddec1cc-e087-11e9-a8a1-b827eb85c322/rviz-3.log].
log file: /home/lezhou/.ros/log/5ddec1cc-e087-11e9-a8a1-b827eb85c322/rviz-3*.log

consequently, I cannot use any function of rviz which need add robot model I still didn't find where is the problem