diff --git a/csrc/backend_ops/ncnn/ops/CMakeLists.txt b/csrc/backend_ops/ncnn/ops/CMakeLists.txt
index 4a4334518c..461301211a 100755
--- a/csrc/backend_ops/ncnn/ops/CMakeLists.txt
+++ b/csrc/backend_ops/ncnn/ops/CMakeLists.txt
@@ -7,9 +7,9 @@ include(${CMAKE_SOURCE_DIR}/cmake/MMDeploy.cmake)
 # add plugin source
 file(GLOB_RECURSE NCNN_OPS_SRCS *.cpp)
 add_library(${PROJECT_NAME}_obj OBJECT "${NCNN_OPS_SRCS}")
+target_compile_definitions(${PROJECT_NAME}_obj PRIVATE -DMMDEPLOY_API_EXPORTS=1)
 set_target_properties(${PROJECT_NAME}_obj PROPERTIES POSITION_INDEPENDENT_CODE 1)
-target_include_directories(${PROJECT_NAME}_obj PUBLIC
-        $<TARGET_PROPERTY:ncnn,INTERFACE_INCLUDE_DIRECTORIES>)
+target_link_libraries(${PROJECT_NAME}_obj PRIVATE ncnn)
 set(_COMMON_INCLUDE_DIRS
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
         $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/csrc>)
diff --git a/csrc/backend_ops/ncnn/ops/ncnn_ops_register.h b/csrc/backend_ops/ncnn/ops/ncnn_ops_register.h
index b265f6d4af..333f174e79 100755
--- a/csrc/backend_ops/ncnn/ops/ncnn_ops_register.h
+++ b/csrc/backend_ops/ncnn/ops/ncnn_ops_register.h
@@ -8,11 +8,9 @@
 #include "core/macro.h"
 #include "net.h"
 
-extern "C" {
 MMDEPLOY_API std::map<const char*, ncnn::layer_creator_func>& get_mmdeploy_layer_creator();
 MMDEPLOY_API std::map<const char*, ncnn::layer_destroyer_func>& get_mmdeploy_layer_destroyer();
 
 MMDEPLOY_API int register_mmdeploy_custom_layers(ncnn::Net& net);
-}
 
 #endif
diff --git a/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt b/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt
index b60c91006d..c55acb488f 100755
--- a/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt
+++ b/csrc/backend_ops/ncnn/pyncnn_ext/CMakeLists.txt
@@ -10,6 +10,8 @@ endif ()
 pybind11_add_module(ncnn_ext ncnn_ext.cpp)
 
 target_link_libraries(ncnn_ext PUBLIC mmdeploy_ncnn_ops ncnn)
-set_target_properties(
-        ncnn_ext PROPERTIES LIBRARY_OUTPUT_DIRECTORY
-        ${CMAKE_SOURCE_DIR}/mmdeploy/backend/ncnn)
+set(_NCNN_EXT_DIR ${CMAKE_SOURCE_DIR}/mmdeploy/backend/ncnn)
+set_target_properties(ncnn_ext PROPERTIES
+        LIBRARY_OUTPUT_DIRECTORY ${_NCNN_EXT_DIR}
+        LIBRARY_OUTPUT_DIRECTORY_DEBUG ${_NCNN_EXT_DIR}
+        LIBRARY_OUTPUT_DIRECTORY_RELEASE ${_NCNN_EXT_DIR})
diff --git a/csrc/net/ncnn/ncnn_net.cpp b/csrc/net/ncnn/ncnn_net.cpp
index 041580d343..1a958ccfe8 100644
--- a/csrc/net/ncnn/ncnn_net.cpp
+++ b/csrc/net/ncnn/ncnn_net.cpp
@@ -41,22 +41,20 @@ Result<void> NCNNNet::Init(const Value& args) {
 
   input_indices_ = net_.input_indexes();
   for (const auto& x : net_.input_names()) {
-    //    input_names_.emplace_back(x);
     input_tensors_.emplace_back(TensorDesc{
-        .device = Device("cpu"),
-        .data_type = DataType::kFLOAT,
-        .shape = {},
-        .name = x,
+        Device("cpu"),
+        DataType::kFLOAT,
+        {},
+        x,
     });
   }
   output_indices_ = net_.output_indexes();
   for (const auto& x : net_.output_names()) {
-    //    output_names_.emplace_back(x);
     output_tensors_.emplace_back(TensorDesc{
-        .device = Device("cpu"),
-        .data_type = DataType::kFLOAT,
-        .shape = {},
-        .name = x,
+        Device("cpu"),
+        DataType::kFLOAT,
+        {},
+        x,
     });
   }
 
diff --git a/mmdeploy/backend/ncnn/init_plugins.py b/mmdeploy/backend/ncnn/init_plugins.py
index 80cd871c53..10f9ca2655 100644
--- a/mmdeploy/backend/ncnn/init_plugins.py
+++ b/mmdeploy/backend/ncnn/init_plugins.py
@@ -12,7 +12,7 @@ def get_ops_path() -> str:
     """
     candidates = [
         '../../../build/lib/libmmdeploy_ncnn_ops.so',
-        '../../../build/bin/*/mmdeploy_ncnn_ops.pyd'
+        '../../../build/bin/*/mmdeploy_ncnn_ops.dll'
     ]
     return get_file_path(os.path.dirname(__file__), candidates)
 
@@ -24,6 +24,6 @@ def get_onnx2ncnn_path() -> str:
         str: A path of onnx2ncnn tool.
     """
     candidates = [
-        '../../../build/bin/onnx2ncnn', '../../../build/bin/*/onnx2ncnn'
+        '../../../build/bin/onnx2ncnn', '../../../build/bin/*/onnx2ncnn.exe'
     ]
     return get_file_path(os.path.dirname(__file__), candidates)