Update:change launch respawn from true to false

launch/fusion.launch

 <launch>
    <arg name="rvfusion_config_path" default="$(find jfx_rvfusion_cx)/config/rvfusion_config.yaml" />
-   <node pkg="jfx_rvfusion_cx" type="jfx_rvfusion_cx" name="jfx_rvfusion_cx" output="screen" respawn="true" >
+   <node pkg="jfx_rvfusion_cx" type="jfx_rvfusion_cx" name="jfx_rvfusion_cx" output="screen" respawn="false" >
        <param name="config_file" value="$(arg rvfusion_config_path)" />
    </node>
 </launch>