diff --git a/csrc/backend_ops/ncnn/CMakeLists.txt b/csrc/backend_ops/ncnn/CMakeLists.txt
index 41a5150b1..6345448e6 100755
--- a/csrc/backend_ops/ncnn/CMakeLists.txt
+++ b/csrc/backend_ops/ncnn/CMakeLists.txt
@@ -10,6 +10,8 @@ else()
   message(FATAL_ERROR "Could not locate ncnn")
 endif()
 
+set_targets(mmdeploy_ncnn_ops NCNN_OPS_OBJ NCNN_OPS_STATIC NCNN_OPS_SHARED)
+
 if(NOT ANDROID AND NOT IOS)
   add_subdirectory(ops)
   add_subdirectory(onnx2ncnn)
diff --git a/csrc/backend_ops/ncnn/ops/CMakeLists.txt b/csrc/backend_ops/ncnn/ops/CMakeLists.txt
index 2840fc1a7..aa8972984 100755
--- a/csrc/backend_ops/ncnn/ops/CMakeLists.txt
+++ b/csrc/backend_ops/ncnn/ops/CMakeLists.txt
@@ -3,7 +3,6 @@ cmake_minimum_required(VERSION 3.14)
 project(mmdeploy_ncnn_ops)
 
 include(${CMAKE_SOURCE_DIR}/cmake/common.cmake)
-set_targets(${PROJECT_NAME} NCNN_OPS_OBJ NCNN_OPS_STATIC NCNN_OPS_SHARED)
 
 # add plugin source
 file(GLOB_RECURSE NCNN_OPS_SRCS *.cpp)
diff --git a/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt b/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt
index ddb985224..f0d414896 100755
--- a/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt
+++ b/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt
@@ -8,7 +8,7 @@ if (NOT TARGET pybind11)
 endif ()
 include_directories(${pybind11_INCLUDE_DIR} ${PYTHON_INCLUDE_DIRS})
 pybind11_add_module(ncnn_ext ncnn_ext.cpp)
-target_link_libraries(ncnn_ext PUBLIC ncnn ${SHARED_TARGET})
+target_link_libraries(ncnn_ext PUBLIC ncnn ${NCNN_OPS_SHARED})
 set_target_properties(
         ncnn_ext PROPERTIES LIBRARY_OUTPUT_DIRECTORY
         ${CMAKE_SOURCE_DIR}/mmdeploy/backend/ncnn)