diff --git a/livox_ros_driver/CMakeLists.txt b/livox_ros_driver/CMakeLists.txt
index 6ef47f1..431fb6d 100755
--- a/livox_ros_driver/CMakeLists.txt
+++ b/livox_ros_driver/CMakeLists.txt
@@ -60,7 +60,7 @@ if((NOT LIVOX_SDK_LIBRARY) OR (NOT EXISTS ${LIVOX_SDK_LIBRARY}))
 		MESSAGE(${res})
 	ENDFOREACH()
 
-	execute_process(COMMAND git clone https://github.com/Livox-SDK/Livox-SDK.git ${CMAKE_CURRENT_SOURCE_DIR}/Livox-SDK)
+	execute_process(COMMAND git clone https://github.com/Livox-SDK/Livox-SDK.git ${CMAKE_CURRENT_SOURCE_DIR}/Livox-SDK  OUTPUT_VARIABLE cmd_res)
 	FOREACH(res ${cmd_res})
 		MESSAGE(${res})
 	ENDFOREACH()