diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d76e473..7c3dd3b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,5 +6,14 @@ add_executable(gm3d ${SRC_DIR})
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11 -O2")
 
+# 添加openmp的编译命令 设置编译选项
+find_package(OpenMP REQUIRED)
+if (OpenMP_CXX_FOUND)
+	message(STATUS "OpenMP Found.")
+	set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+	set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+	target_link_libraries(gm3d PUBLIC OpenMP::OpenMP_CXX)
+endif()
+
 set(CMAKE_INSTALL_PREFIX /usr/local)
 install(TARGETS gm3d RUNTIME DESTINATION sbin)
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 60d3616..4b4a282 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,7 +7,7 @@ void display_help_info(char* program_name){
 	ex_usage += " {-o<output-msh-file> -m<model-list-file>  \
 	[-d<xs>/<dx>/<xe>/<ys>/<dy>/<ye>/<zs>/<dz>/<ze>] [-r]} \
 	| {-i<input-msh-file> -p<observation-file>|<xs>/<dx>/<xe>/<ys>/<dy>/<ye>/<elevation> \
-	-f<output-data-file> -tVz|Vzx|Vzy|Vzz|DT|DTx|DTy|DTz|Hax|Hay|Za \
+	-f<output-data-file> -tVz|Vzx|Vzy|Vzz|DeltaT|DeltaTx|DeltaTy|DeltaTz|Hax|Hay|Za \
 	[-v<I0>/<D0>/<I>/<D>] [-n<noise-mean>/<noise-dev>]} -e<element-data-name> [-h]";
 
 	DispHelp dh;