diff --git a/.gitignore b/.gitignore
index 61e5f67..e830ca4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,15 @@
 #app
+__pycache__/
 /app/
+/build/
 /Vocabulary/*
 /build/
 /.vscode/
 /lib/
 /datasets/
 /ref/marker_image/
+pyStag.egg-info/
+
 
 
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3720e6b..25a95dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-
+cmake_minimum_required(VERSION 3.20)
 project(Stag)
 
 IF(NOT CMAKE_BUILD_TYPE)
@@ -36,6 +36,7 @@ add_library(
 )
 target_link_libraries(
     LibStag
+    PRIVATE
     ${OpenCV_LIBS}
 )
 
@@ -50,7 +51,7 @@ include_directories(
     # "# You need to change this follow Path  to  your own Path. "
     # "# You need to change this follow Path  to  your own Path. "
     
-    /Users/bytedance/anaconda3/lib/python3.8/site-packages/numpy/core/include
+    /Users/samy.grisard/Anaconda3/lib/site-packages/numpy/core/include
 )
 
 add_subdirectory(pybindSrc/pybind11)
@@ -61,6 +62,7 @@ pybindSrc/opencv2numpy/converter.cpp
 )
 
 target_link_libraries(pyStag 
+PRIVATE
 ${OpenCV_LIBS}
 LibStag
 )
@@ -75,5 +77,6 @@ add_executable(
 
 target_link_libraries(
     testrun
+    PRIVATE
     LibStag
 )
diff --git a/README.md b/README.md
index 3c250e7..9dcd6f0 100644
--- a/README.md
+++ b/README.md
@@ -49,17 +49,21 @@
 
    
 
-5. then you will got a `pyStag.cpython-3*-**.so`  in `./lib`
+5. then you will got a `pyStag.cpython-3*-**.pyd`  in `./lib`
 
 6. **install Python package**
+- open cmd
+- cd to pyStag directory
 
    ```
    python setup.py install 
    ```
+You must import your opencv dll in your site-packages directory. ("users/Anaconda/Lib/site-packages" for Anaconda).
+If **import error DLL load failed while importing pyStag**: check dependencies with [DependencyWalker](https://www.dependencywalker.com/).
 
 #  Test
 
-```python
+```
 python test_warpper.py
 ```
 
diff --git a/main.cpp b/main.cpp
index 1406032..942fe61 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,6 @@
 #include "Stag.h"
 #include "opencv2/opencv.hpp"
+
 #include <iostream>
 #include <opencv2/highgui.hpp>
 
diff --git a/pybindSrc/pyStag.cpp b/pybindSrc/pyStag.cpp
index f113641..fa6d3b7 100644
--- a/pybindSrc/pyStag.cpp
+++ b/pybindSrc/pyStag.cpp
@@ -1,6 +1,6 @@
-#include "../src/Marker.h"
-#include "../src/Quad.h"
-#include "../src/Stag.h"
+#include "Marker.h"
+#include "Quad.h"
+#include "Stag.h"
 #include "opencv2numpy/converter.h"
 #include <pybind11/cast.h>
 #include <pybind11/complex.h>
diff --git a/setup.py b/setup.py
index 4ffb8bb..e2fcae3 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 import shutil
 
 __version__ = "0.0.1"
-__library_file__ = './lib/pyStag.cpython-38-darwin.so'
+__library_file__ = './lib/Release/pyStag.cp38-win_amd64.pyd'
 
 
 class CopyLibFile(install):
@@ -38,7 +38,7 @@ def run(self):
     author_email="dawsonwen123@gmail.com",
     url="None",
     description="warpping of Stag, a fiducial marker detection system",
-    long_description="",
+    long_description="description",
     extras_require={"test": "pytest"},
     # Currently, build_ext only provides an optional "highest supported C++
     # level" feature, but in the future it may provide more features.
diff --git a/src/ED/Timer.h b/src/ED/Timer.h
index 2c30196..0d7b23a 100644
--- a/src/ED/Timer.h
+++ b/src/ED/Timer.h
@@ -4,8 +4,8 @@
 
 #include <chrono>
 #include <ctime>
-#include <sys/_types/_int64_t.h>
-#include <sys/_types/_timespec.h>
+#include <sys/types.h>
+//#include <sys/_types/_timespec.h>
 
 class Timer {
 private:
diff --git a/src/Stag.cpp b/src/Stag.cpp
index ea8465b..e2a8e8f 100644
--- a/src/Stag.cpp
+++ b/src/Stag.cpp
@@ -15,6 +15,7 @@ Stag::Stag(int libraryHD, int inErrorCorrection, bool inKeepLogs) {
   fillCodeLocations();
   decoder = Decoder(libraryHD);
 }
+
 std::vector<std::vector<std::vector<double>>> Stag::getContours() {
 
   std::vector<std::vector<std::vector<double>>> ret;
@@ -27,6 +28,7 @@ std::vector<std::vector<std::vector<double>>> Stag::getContours() {
   }
   return ret;
 }
+
 std::vector<int> Stag ::getIds() {
   std::vector<int> ret;
   for (auto marker : markers) {
diff --git a/test_warpper.py b/test_warpper.py
index 0af443d..45921be 100644
--- a/test_warpper.py
+++ b/test_warpper.py
@@ -3,9 +3,13 @@
 
 det = stag.Detector(15, 7, False)
 
-imgPath = "../00003.png"
+imgPath = "./00003.png"
 grayImg = cv2.imread(imgPath, cv2.IMREAD_GRAYSCALE)
 cv2.imshow("img", grayImg)
+
 print("detected markers  Cnt: ", det.detect(grayImg))
 print("detected markers's Id: ", det.getIds())
 print("detected markers's Coners: ", det.getContours())
+
+cv2.waitKey(0)
+cv2.destroyAllWindows()
\ No newline at end of file