diff --git a/hgdriver/hgdev/CMakeLists.txt b/hgdriver/hgdev/CMakeLists.txt
index afbf005..0578f0c 100644
--- a/hgdriver/hgdev/CMakeLists.txt
+++ b/hgdriver/hgdev/CMakeLists.txt
@@ -1,7 +1,7 @@
 project(gdev)
 add_compile_options(-std=c++11)
 add_definitions(-DOEM_HUAGAO)
-add_definitions(-DKYLIN)
+add_definitions(-DUOS)
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
 aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS)