diff --git a/launch b/launch
new file mode 120000
index 0000000..163fb01
--- /dev/null
+++ b/launch
@@ -0,0 +1 @@
+launch_ROS2
\ No newline at end of file
diff --git a/package.xml b/package.xml
new file mode 120000
index 0000000..36804a4
--- /dev/null
+++ b/package.xml
@@ -0,0 +1 @@
+package_ROS2.xml
\ No newline at end of file
diff --git a/package_ROS2.xml b/package_ROS2.xml
index 96f5762..c66785b 100644
--- a/package_ROS2.xml
+++ b/package_ROS2.xml
@@ -28,6 +28,7 @@
 
   <depend>git</depend>
   <depend>apr</depend>
+  <depend>livox_sdk2</depend>
 
   <export>
     <build_type>ament_cmake</build_type>