diff --git a/CMakeLists.txt b/CMakeLists.txt
index 785ed3cd..473bc336 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -85,6 +85,8 @@ if(ENABLE_CXX_API)
     set(ENABLE_MSVC_MT OFF)
     message(WARNING "Windows下C++ API SDK只支持md/mdd,ENABLE_MSVC_MT set off")
   endif()
+else()
+  add_definitions(-DMediaKit_STATIC)
 endif ()
 
 # 安装路径
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 510cb422..da51f70a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -59,6 +59,8 @@ set(LINK_LIBRARIES ${MK_LINK_LIBRARIES})
 list(REMOVE_ITEM LINK_LIBRARIES ZLMediaKit::MediaKit)
 set(COMPILE_DEFINITIONS ${MK_COMPILE_DEFINITIONS})
 
+list(APPEND COMPILE_DEFINITIONS GENERATE_EXPORT)
+
 target_compile_definitions(zlmediakit
   PUBLIC ${COMPILE_DEFINITIONS})
 target_compile_options(zlmediakit