diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7eba93e..47f160c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -8,6 +8,11 @@ set(MAIN_FILE
 	${PLUMAGE_RENDER}/render.cpp
 )
 
+set(GLTF_MODEL_LOADER
+	"${PLUMAGE_RENDER}/glTFBoundingBox.h"
+	"${PLUMAGE_RENDER}/glTFBoundingBox.cpp"
+)
+
 # wayland requires additional source files
 IF(USE_WAYLAND_WSI)
 	SET(SOURCE ${SOURCE} ${CMAKE_BINARY_DIR}/xdg-shell-client-protocol.h ${CMAKE_BINARY_DIR}/xdg-shell-protocol.c )
@@ -37,10 +42,11 @@ include_directories(${lib_base_path})
 if(WIN32)
 	add_executable(${RenderName} WIN32   ${SHADERS_GLSL} ${SHADERS_HLSL} 
 	${MAIN_FILE}
+	${GLTF_MODEL_LOADER}
 	"render/glTFModel.h" 
 	"render/glTFModel.cpp" 
 	"render/renderFoundation.h" 
-	"render/renderFoundation.cpp")
+	"render/renderFoundation.cpp" )
 	target_link_libraries(${RenderName} base ${Vulkan_LIBRARY} ${WINLIBS})
 endif()
 set_target_properties(${RenderName} PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
@@ -51,6 +57,12 @@ if(RESOURCE_INSTALL_DIR)
 endif()
 
 
+#if(WIN32)
+#   target_compile_definitions(MyLib PRIVATE MYLIB_EXPORTS)
+#endif(UNIX AND NOT APPLE) # Linux及类似系统
+#    add_compile_options(-fvisibility=hidden)
+#    add_compile_options(-fvisibility-inlines-hidden)
+#endif()
 
 
 
diff --git a/src/render/glTFModel_Common.h b/src/render/glTFModel_Common.h
new file mode 100644
index 0000000..59a2554
--- /dev/null
+++ b/src/render/glTFModel_Common.h
@@ -0,0 +1,30 @@
+#pragma once
+
+/// 命名空间宏
+#define GLTFLOADER_NAMESPACE_BEGIN namespace glTFLoader {
+#define GLTFLOADER_NAMESPACE_END }
+
+/// windows 导入导出宏，GLTFLOADER_EXPORTS将在cmake中定义
+/// unix-like 下提供符号可见性控制
+#ifdef GLTFLOADER_STATIC_BUILD
+	#define GLTFLOADER_API
+	#define GLTFLOADER_LOCAL
+#else
+	#ifdef _WIN32
+		#ifdef GLTFLOADER_EXPORTS
+			#define GLTFLOADER_API __declspec(dllexport)
+			#define GLTFLOADER_LOCAL
+		#else
+			#define GLTFLOADER_API __declspec(dllimport)
+			#define GLTFLOADER_LOCAL
+		#endif
+	#else
+		#if __GNUC__ >= 4 || defined(__clang__)
+			#define GLTFLOADER_API __attribute__ ((visibility ("default")))
+			#define GLTFLOADER_LOCAL __attribute__ ((visibility ("hidden")))
+		#else
+			#define GLTFLOADER_API
+			#define GLTFLOADER_LOCAL
+		#endif
+	#endif
+#endif
\ No newline at end of file