diff --git a/Gazebo_Distributed_MPI/mpi_run/MPI_Gazebo_launch.sh b/Gazebo_Distributed_MPI/mpi_run/MPI_Gazebo_launch.sh
index 47e69b7..a05c007 100755
--- a/Gazebo_Distributed_MPI/mpi_run/MPI_Gazebo_launch.sh
+++ b/Gazebo_Distributed_MPI/mpi_run/MPI_Gazebo_launch.sh
@@ -42,7 +42,8 @@ done
 #登入各节点启动roscore    （source还有改进空间，ROS运行的工作目录应该作为参数传进来）
 for((i=0;i<host_count;i++))
 do
-    ssh -f -n ${hosts[$i]} "source $workspace_path/devel/setup.bash;
+    ssh -f -n ${hosts[$i]} "source /opt/ros/kinetic/setup.bash;
+    source $workspace_path/devel/setup.bash;
     roscore;
     echo roscore_done!"
     echo "${hosts[$i]}:roscore_good"
@@ -61,7 +62,8 @@ sleep 20s
 #登入各节点roslaunch加载模型（source还有改进空间，ROS运行的工作目录应该作为参数传进来）
 for((i=0;i<host_count;i++))
 do
-    ssh -f -n ${hosts[$i]} "source $workspace_path/devel/setup.bash;
+    ssh -f -n ${hosts[$i]} "source /opt/ros/kinetic/setup.bash;
+    source $workspace_path/devel/setup.bash;
     roslaunch $packdge_name $launch_file_name;
     echo roslaunch_done!"
     echo "${hosts[$i]}:roslaunch_good"