diff --git a/csrc/mmdeploy/core/CMakeLists.txt b/csrc/mmdeploy/core/CMakeLists.txt
index fc569f3ee5..68843cd3c3 100644
--- a/csrc/mmdeploy/core/CMakeLists.txt
+++ b/csrc/mmdeploy/core/CMakeLists.txt
@@ -13,8 +13,6 @@ if (MMDEPLOY_SPDLOG_EXTERNAL)
 else ()
     set(MMDEPLOY_SPDLOG_DIR ${CMAKE_SOURCE_DIR}/third_party/spdlog)
     add_subdirectory(${MMDEPLOY_SPDLOG_DIR} ${CMAKE_CURRENT_BINARY_DIR}/spdlog EXCLUDE_FROM_ALL)
-    target_include_directories(spdlog INTERFACE
-            $<INSTALL_INTERFACE:include/mmdeploy/third_party>)
     set_target_properties(spdlog PROPERTIES POSITION_INDEPENDENT_CODE ON)
     set(SPDLOG_LIB spdlog::spdlog)
     mmdeploy_export(spdlog)
@@ -48,20 +46,19 @@ target_include_directories(${PROJECT_NAME}
         PUBLIC
         $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/csrc>
         $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/third_party/outcome>
-        $<INSTALL_INTERFACE:include/mmdeploy/third_party/outcome>
         # TODO: remove dependency of `json`
         $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/third_party/json>
-        $<INSTALL_INTERFACE:include/mmdeploy/third_party/json>
         )
 
-if (NOT MMDEPLOY_SPDLOG_EXTERNAL)
-    target_include_directories(${PROJECT_NAME}
-            PUBLIC)
-endif ()
-
 if (MMDEPLOY_BUILD_SDK_CXX_API)
     target_include_directories(${PROJECT_NAME} PUBLIC
-            $<INSTALL_INTERFACE:include>)
+            $<INSTALL_INTERFACE:include>
+            $<INSTALL_INTERFACE:include/mmdeploy/third_party/outcome>
+            $<INSTALL_INTERFACE:include/mmdeploy/third_party/json>)
+    if (NOT MMDEPLOY_SPDLOG_EXTERNAL)
+        target_include_directories(spdlog INTERFACE
+                $<INSTALL_INTERFACE:include/mmdeploy/third_party>)
+    endif ()
 endif ()
 
 target_link_libraries(${PROJECT_NAME} PUBLIC ${SPDLOG_LIB})