why i exectue roslaunch turtlebot_gazebo turtlebot_world.launch world_file:=/home/username/ros_scripts/world/world1-1 get one error?

[yangzebin001]

[gazebo_gui-3] process has died [pid 49589, exit code 134, cmd /opt/ros/kinetic/lib/gazebo_ros/gzclient __name:=gazebo_gui __log:=/home/ros/.ros/log/129474de-a638-11e9-a279-000c29506b00/gazebo_gui-3.log].

my path is : roslaunch turtlebot_gazebo turtlebot_world.launch world_file:=/home/ros/ros_scripts/world/world1-1

[zerowind168]

you may try to run the following first :
roslaunch turtlebot_gazebo turtlebot_world.launch

[Jxxxx-2001]

[gazebo_gui-3] 进程已死 [pid 49589，退出代码 134，cmd /opt/ros/kinetic/lib/gazebo_ros/gzclient __name：=gazebo_gui __log：=/home/ros/.ros/log/129474de-a638-11e9-a279-000c29506b00/gazebo_gui-3.log]。

我的道路是：roslaunch turtlebot_gazebo turtlebot_world.launch world_file：=/home/ros/ros_scripts/world/world1-1

Excuse me,did you solved this problem?I met the same trouble and can't find the solution