diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 5579eee..7374705 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -10,6 +10,7 @@ if(A_BUILD_MAIN_AS_STATIC_LIB)
     set_target_properties(${TARGET_NAME} PROPERTIES
         ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output
     )
+    target_compile_definitions(${TARGET_NAME} PRIVATE A_BUILD_MAIN_AS_STATIC_LIB)
 else()
     add_executable(${TARGET_NAME} main.c)
     set_target_properties(${TARGET_NAME} PROPERTIES
@@ -21,7 +22,6 @@ endif()
 target_compile_definitions(${TARGET_NAME} PRIVATE
     $<$<CONFIG:Debug>:DEBUG>
     ${GLOBAL_ENABLED_MACROS}
-    A_BUILD_MAIN_AS_STATIC_LIB
 )
 
 # ─── Include 目录 ────────────────────────────────────────────────────