diff --git a/Gazebo_Distributed_MPI/mpi_run/hostfile b/Gazebo_Distributed_MPI/mpi_run/hostfile
index abddf32..95f0bc6 100644
--- a/Gazebo_Distributed_MPI/mpi_run/hostfile
+++ b/Gazebo_Distributed_MPI/mpi_run/hostfile
@@ -1,4 +1,4 @@
-localhost slots=2
+zhangshuai-Desktop slots=1
 #anwen slots=2
-zhangshuai-ThinkPad-X250 slots=2
+zhangshuai-Laptop slots=1
 
diff --git a/Gazebo_Distributed_MPI/mpi_run/mpirun_test.sh b/Gazebo_Distributed_MPI/mpi_run/mpirun_test.sh
index 0c9d325..f5ea35d 100755
--- a/Gazebo_Distributed_MPI/mpi_run/mpirun_test.sh
+++ b/Gazebo_Distributed_MPI/mpi_run/mpirun_test.sh
@@ -14,4 +14,7 @@ mpiexec -np 1 -x GAZEBO_MASTER_URI=http://localhost:11346 gazebo -u -e ode --ver
 
 mpiexec -np 1 -x GAZEBO_MASTER_URI=http://localhost:11346 gazebo -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=xxx : -np 1 -x GAZEBO_MASTER_URI=http://localhost:11347 gazebo -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=yyy
 
-mpiexec -np 1 -x GAZEBO_MASTER_URI=http://localhost:11346 gzserver -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=xxx : -np 1 -x GAZEBO_MASTER_URI=http://localhost:11347 gzserver -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=yyy
\ No newline at end of file
+mpiexec -np 1 -x GAZEBO_MASTER_URI=http://localhost:11346 gzserver -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=xxx : -np 1 -x GAZEBO_MASTER_URI=http://localhost:11347 gzserver -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=yyy
+
+
+mpiexec -hostfile hostfile -np 1 -x GAZEBO_MASTER_URI=http://localhost:11346 gazebo -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=xxx : -np 1 -x GAZEBO_MASTER_URI=http://localhost:11347 gazebo -u -e ode --verbose /home/zhangshuai/Git/Gazebo_Hector_Test/src/hector_quadrotor/hector_quadrotor_gazebo/worlds/kunming_airport_distribution_2hector_mpi_test.world -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_paths_plugin.so -s /home/zhangshuai/catkin_ws/devel/lib/libgazebo_ros_api_plugin.so __name:=yyy
\ No newline at end of file