diff --git a/CMakeLists.txt b/CMakeLists.txt
index 024f456..bc5d30a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,6 +64,7 @@ if(DCMTK_LIBRARIES)
 endif()
 
 add_subdirectory(thirdparty)
+add_subdirectory(DIDKit)
 
 
 include_directories(${DCM_NETWORK_INCLUDE_DIRS})
@@ -72,4 +73,3 @@ add_dependencies(${PROJECT_NAME} dcm_network)
 
 set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:CONSOLE")
 set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS")
-#set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS_RELEASE "/level='requireAdministrator' /uiAccess='false'")
diff --git a/DIDKit/CMakeLists.txt b/DIDKit/CMakeLists.txt
new file mode 100644
index 0000000..dc528b0
--- /dev/null
+++ b/DIDKit/CMakeLists.txt
@@ -0,0 +1,27 @@
+project(DIDKit)
+
+file(GLOB_RECURSE DIDKit_headers ../src/src/IO/*.h)
+file(GLOB_RECURSE DIDKit_cpps ../src/src/IO/*.cpp)
+set(BUILD_SHARED_LIBS ON)
+if (${BUILD_SHARED_LIBS})
+    include_directories(Defines/)
+endif()
+include_directories(../src/src/)
+
+add_library(DIDKit SHARED ${DIDKit_headers} ${DIDKit_cpps})
+
+find_package(DCMTK REQUIRED)
+include_directories(${DCMTK_INCLUDE_DIRS})
+target_link_libraries(DIDKit ${DCMTK_LIBRARIES})
+include_directories(${DCM_NETWORK_INCLUDE_DIRS})
+
+find_package(VTK REQUIRED)
+include(${VTK_USE_FILE})
+target_link_libraries(DIDKit ${VTK_LIBRARIES})
+
+#add_subdirectory(dcm_network)
+#include_directories(dcm_network)
+
+include_directories(${DCM_NETWORK_INCLUDE_DIRS})
+target_link_libraries(DIDKit dcm_network)
+add_dependencies(DIDKit dcm_network)
\ No newline at end of file
diff --git a/src/src/Common/Helper/OrientationHelper.cpp b/src/src/Common/Helper/OrientationHelper.cpp
new file mode 100644
index 0000000..39c0312
--- /dev/null
+++ b/src/src/Common/Helper/OrientationHelper.cpp
@@ -0,0 +1,71 @@
+//
+// Created by Krad on 2022/9/20.
+//
+
+#include "OrientationHelper.h"
+
+#define ORIEN_NUM 4
+#define SINGLE_INSTANCE 1
+OrientationMapType OrientationHelper::orien_map;
+
+std::string OrientationHelper::StringFilter(char* str)
+{
+    const char s[] = "\\ ";
+    char *token;
+    char *buftmp;
+    token = strtok_s(str, s, &buftmp);
+    std::string trim ="";
+    while (token != NULL) {
+        //printf("%s\n", token);
+        trim += token;
+        token = strtok_s(NULL, s, &buftmp);
+    }
+    return trim;
+}
+
+void OrientationHelper::init()
+{
+    const std::string index[] = { "LH","LF","RH","RF" };
+    std::vector<std::string> indexList(std::begin(index), std::end(index));
+
+    const std::string lh[] = { "S" ,"L" ,"R" ,"I" };
+    const std::string lf[] = { "I" , "L" , "R" , "S" };
+    const std::string rh[] = { "S" , "R" , "L" , "I" };
+    const std::string rf[] = { "I" , "R" , "L" , "S" };
+
+    std::vector<std::string> v_lh(std::begin(lh), std::end(lh));
+    std::vector<std::string> v_lf(std::begin(lf), std::end(lf));
+    std::vector<std::string> v_rh(std::begin(rh), std::end(rh));
+    std::vector<std::string> v_rf(std::begin(rf), std::end(rf));
+
+    std::vector<std::vector<std::string>> retList;
+    retList.push_back(v_lh);
+    retList.push_back(v_lf);
+    retList.push_back(v_rh);
+    retList.push_back(v_rh);
+
+    for (int i = 0; i < ORIEN_NUM; i++)
+    {
+        OrientationHelper::orien_map.insert(std::pair<std::string, std::vector<std::string>>(indexList.at(i), retList.at(i)));
+    }
+}
+
+std::vector<std::string>* OrientationHelper::getOrientationStrList(const std::string &index)
+{
+
+    const char* s = index.c_str();
+    int len = strlen(s);
+    char *hint = new char[len + 1];
+    strcpy_s(hint, len + 1, s);
+
+    std::string  trim = StringFilter(hint);
+    OrientationMapType::iterator it = OrientationHelper::orien_map.find(trim);
+    delete hint;
+
+    if (it == orien_map.end())
+    {
+
+        return nullptr;
+    }
+    return &(it->second);
+}
diff --git a/src/src/Common/Helper/OrientationHelper.h b/src/src/Common/Helper/OrientationHelper.h
new file mode 100644
index 0000000..02eff1b
--- /dev/null
+++ b/src/src/Common/Helper/OrientationHelper.h
@@ -0,0 +1,19 @@
+//
+// Created by Krad on 2022/9/20.
+//
+
+#ifndef OMEGAV_ORIENTATIONHELPER_H
+#define OMEGAV_ORIENTATIONHELPER_H
+#include "Common/QGlobals.h"
+
+using namespace std;
+typedef std::map<std::string,std::vector<std::string>> OrientationMapType;
+class OrientationHelper
+{
+public:
+    static std::string StringFilter(char* str);
+    static void init();
+    static std::vector<std::string>* getOrientationStrList(const std::string &index);
+    static OrientationMapType orien_map;
+};
+#endif //OMEGAV_ORIENTATIONHELPER_H
diff --git a/src/src/Common/ImageSetStore.cpp b/src/src/Common/ImageSetStore.cpp
new file mode 100644
index 0000000..05b23b5
--- /dev/null
+++ b/src/src/Common/ImageSetStore.cpp
@@ -0,0 +1,90 @@
+//
+// Created by Krad on 2022/9/20.
+//
+
+#include "ImageSetStore.h"
+
+#include "SeriesImageSet.h"
+#include "IO/DICOM/DicomLoader.h"
+#include "IO/DICOM/ExtendMedicalImageProperties.h"
+
+SeriesImageSet *ImageSetStore::getSeriesImageSet(const string &uniqueID) {
+    //only user key to the series level
+    if (store.count(uniqueID)>0)
+    {
+        //use cache instead load
+        return store[uniqueID];
+    }
+
+    auto iter = std::find_if(imageProperties.begin(), imageProperties.end(),[&uniqueID](auto  property){
+        return property->GetUniqueID()==uniqueID;
+    });
+    if (iter==imageProperties.end()) return nullptr;
+    vtkSmartPointer<vtkImageData> pixelData;
+    vtkSmartPointer<vtkImageData> overlayData;
+    DicomLoader::InitCodecs();
+    DicomLoader::getImageData(*iter, pixelData, overlayData);
+    SeriesImageSet* set = new SeriesImageSet(*iter,pixelData);
+    if (overlayData.Get()){
+        set->SetOverlayData(overlayData);
+    }
+    DicomLoader::FinalizeCodecs();
+    store[uniqueID] = set;
+    return set;
+}
+
+void ImageSetStore::reset() {
+    for(auto item: store){
+        delete item.second;
+    }
+    store.clear();
+    for(auto item: m_patients){
+        delete item.second;
+    }
+    m_patients.clear();
+    if (placeHolder)placeHolder->Delete();
+    placeHolder = vtkObject::New();
+    imageProperties.clear();
+}
+
+void ImageSetStore::addImageSet(ExtendMedicalImageProperties* property) {
+    std::string patient_name = property->GetPatientName();
+    std::string study_uid = property->GetStudyUID();
+    std::string series_uid = property->GetSeriesUID();
+    //patient level
+    PatientInfo_t* patient = nullptr;
+    //get from store
+    if (m_patients.count(patient_name)>0){
+        patient = m_patients[patient_name];
+    }
+    else{
+        //create new
+        patient = new PatientInfo_t();
+        patient->patient_name = property->GetPatientName();
+        patient->birth_date = property->GetPatientBirthDate();
+        patient->studies = new StudiesMapType();
+        m_patients[patient_name] = patient;
+    }
+    StudyInfo_t* study = nullptr;
+    //get from store
+    if (patient->studies->count(study_uid)>0){
+        study = patient->studies->at(study_uid);
+    }
+    else{
+        //create new
+        study = new StudyInfo_t();
+        patient->studies->insert({study_uid, study});
+        study->study_description = property->GetStudyDescription();
+        study->study_date = property->GetStudyDate();
+        study->study_time = property->GetStudyTime();
+        study->series = new SeriesMapType();
+    }
+    //TODO:need add Image set logic
+    if (study->series->count(series_uid)>0){
+
+    }
+    else {
+        study->series->insert({series_uid,property});
+        imageProperties.push_back(property);
+    }
+}
diff --git a/src/src/Common/ImageSetStore.h b/src/src/Common/ImageSetStore.h
new file mode 100644
index 0000000..3d9515a
--- /dev/null
+++ b/src/src/Common/ImageSetStore.h
@@ -0,0 +1,41 @@
+//
+// Created by Krad on 2022/9/20.
+//
+
+#ifndef OMEGAV_IMAGESETSTORE_H
+#define OMEGAV_IMAGESETSTORE_H
+
+#include "Common/QGlobals.h"
+class SeriesImageSet;
+class ExtendMedicalImageProperties;
+typedef std::map<std::string, SeriesImageSet*>  StoreMap;
+class ImageSetStore {
+public:
+    static ImageSetStore *GetInstance(){
+        static ImageSetStore store;
+        return &store;
+    }
+
+    const PatientsMapType &getPatientsList()
+    {
+        return m_patients;
+    }
+
+    void addImageSet(ExtendMedicalImageProperties* property);
+
+    SeriesImageSet* getSeriesImageSet(const std::string& uniqueID);
+    std::vector<ExtendMedicalImageProperties*>& getProperties(){
+        return imageProperties;
+    }
+
+    void reset();
+private:
+    std::vector<ExtendMedicalImageProperties*> imageProperties;
+    StoreMap store;
+    PatientsMapType m_patients;
+    vtkObject* placeHolder;
+};
+
+
+
+#endif //OMEGAV_IMAGESETSTORE_H
diff --git a/src/src/Common/SeriesImageSet.cpp b/src/src/Common/SeriesImageSet.cpp
index c12b449..6d8147e 100644
--- a/src/src/Common/SeriesImageSet.cpp
+++ b/src/src/Common/SeriesImageSet.cpp
@@ -10,9 +10,9 @@
 
 
 //----------------------------------------------------------------
-SeriesImageSet::SeriesImageSet(ExtendMedicalImageProperties* property, vtkImageData* imagedata)
+SeriesImageSet::SeriesImageSet(ExtendMedicalImageProperties* property, vtkImageData* imagedata):QObject(nullptr)
+,m_image(imagedata)
 {
-	m_image = imagedata;
     m_image->SetSpacing(property->GetSpacing());
 	m_property = property;
 	m_pUniqueID.append(property->GetPatientName());
diff --git a/src/src/IO/DICOM/DICOMHeaderHelper.cpp b/src/src/IO/DICOM/DICOMHeaderHelper.cpp
index ccc2582..b9c9e52 100644
--- a/src/src/IO/DICOM/DICOMHeaderHelper.cpp
+++ b/src/src/IO/DICOM/DICOMHeaderHelper.cpp
@@ -38,9 +38,6 @@ ExtendMedicalImageProperties *DICOMHeaderHelper::GetSeriesBySeriesUID(const char
 void DICOMHeaderHelper::Clear() {
     dirName.clear();
     fileName.clear();
-    for (auto property : seriesProperties) {
-        property->Delete();
-    }
     seriesProperties.clear();
     SeriesCount = 0;
 }
diff --git a/src/src/IO/DICOM/DicomLoader.cpp b/src/src/IO/DICOM/DicomLoader.cpp
index 28d9363..bae0371 100644
--- a/src/src/IO/DICOM/DicomLoader.cpp
+++ b/src/src/IO/DICOM/DicomLoader.cpp
@@ -1,241 +1,59 @@
 #include "DicomLoader.h"
 
-#include <map>
-#include <algorithm>
-#include <vtkStringArray.h>
-#include <QDebug>
-#include <string.h>
-#include <stdio.h>
+#include <vtkNew.h>
+#include <vtkImageData.h>
 
-#include "Common/SeriesImageSet.h"
 #include "DICOMHeaderHelper.h"
+#include "DICOMPixelDataHelper.h"
 #include "vtkDCMTKImageReader.h"
 
-#define ORIEN_NUM 4
-#define SINGLE_INSTANCE 1
-OrientationMapType orientationHelper::orien_map;
 
-/************************************************************************
-* [Q]Is there anything different between these two?
-*	instance->m_image = m_itkConnector->GetOutput();
-*	instance->m_image->DeepCopy(m_itkConnector->GetOutput());
-* [Q]I have no idea why it works just fine not using deep copy, 
-    while the vtkdata is replaced in the Qfusion Project using exatly the same workflow!
-/************************************************************************/
-std::string orientationHelper::StringFilter(char* str)
-{
-	const char s[] = "\\ ";
-	char *token;
-	char *buftmp;
-	token = strtok_s(str, s, &buftmp);
-	std::string trim ="";
-	while (token != NULL) {
-		//printf("%s\n", token);
-		trim += token;
-		token = strtok_s(NULL, s, &buftmp);
-	}
-	return trim;
-}
-
-void orientationHelper::init()
-{
-	const std::string index[] = { "LH","LF","RH","RF" };
-	std::vector<std::string> indexList(std::begin(index), std::end(index));
-	
-	const std::string lh[] = { "S" ,"L" ,"R" ,"I" };
-	const std::string lf[] = { "I" , "L" , "R" , "S" };
-	const std::string rh[] = { "S" , "R" , "L" , "I" };
-	const std::string rf[] = { "I" , "R" , "L" , "S" };
-
-	std::vector<std::string> v_lh(std::begin(lh), std::end(lh));
-	std::vector<std::string> v_lf(std::begin(lf), std::end(lf));
-	std::vector<std::string> v_rh(std::begin(rh), std::end(rh));
-	std::vector<std::string> v_rf(std::begin(rf), std::end(rf));
-
-	std::vector<std::vector<std::string>> retList;
-	retList.push_back(v_lh);
-	retList.push_back(v_lf);
-	retList.push_back(v_rh);
-	retList.push_back(v_rh);
-
-	for (int i = 0; i < ORIEN_NUM; i++)
-	{
-		orientationHelper::orien_map.insert(std::pair<std::string, std::vector<std::string>>(indexList.at(i), retList.at(i)));
-	}
-}
-
-std::vector<std::string>* orientationHelper::getOrientationStrList(const std::string &index)
-{
-
-	const char* s = index.c_str();
-	int len = strlen(s);	
-	char *hint = new char[len + 1];	
-	strcpy_s(hint, len + 1, s);	
-
-	std::string  trim = StringFilter(hint);
-	OrientationMapType::iterator it = orientationHelper::orien_map.find(trim);
-	delete hint;
-
-	if (it == orien_map.end()) 
-	{
-
-		return nullptr;
-	}
-	return &(it->second);
-}
-
-DicomLoader* DicomLoader::instance = new DicomLoader();
-DicomLoader* DicomLoader::GetInstance() {
-	//lazy man 
-	//if (!instance) {
-	//		instance = new DicomLoader();
-	//}
-	//hungry man 
-	return instance;
-}
-
-DicomLoader::DicomLoader(){
-
-//	m_itkSeriesReader = SeriesReaderType::New();
-//	m_itkConnector = ConnectorType::New();
-//	m_gdcmIO = ImageIOType::New();
-//	m_inputNames = InputNamesGeneratorType::New();
-
-    reader = nullptr;
-	//transfer to series after!
-	m_patients.clear();
-    placeHolder = vtkObject::New();
-    defaultUniqueID = "";
-}
-DicomLoader::~DicomLoader() {
-
-    placeHolder->Delete();
-	imageProperties.clear();
-}
-
-
-SeriesImageSet* DicomLoader::getSeriesImageSet(const std::string& uniqueID)//, DicomTagInfo_t* tag_info)
-{
-    //only user key to the series level
-    if (store.count(uniqueID)>0)
-    {
-        //use cache instead load
-        return store[uniqueID];
-    }
-    if (reader) reader->Delete();
-    reader = vtkDCMTKImageReader::New();
-    auto iter = std::find_if(imageProperties.begin(), imageProperties.end(),[&uniqueID](auto  property){
-        return property->GetUniqueID()==uniqueID;
-    });
-    if (iter==imageProperties.end()) return nullptr;
-
-//    reader->SetFileNames((*iter)->GetFileNames());
-    reader->SetImageProperties((*iter));
-    reader->Update();
-    auto imageData = reader->GetOutput();
-    SeriesImageSet* result = new SeriesImageSet((*iter),imageData);
-    if (reader->GetHasOverlay()){
-        result->SetOverlayData(reader->GetOutputOverLayData());
-    }
-//    imageData->Register(placeHolder);
-    reader->Delete();
-    reader = nullptr;
-    store[uniqueID] = result;
-    return result;
-}
-
-
-void DicomLoader::readTags(const std::string &dir, SeriesOpenMode openMode)
-{
+void DicomLoader::readPropertiesFromDir(const std::string &dir,
+        std::vector<ExtendMedicalImageProperties*>& properties, int& count) {
     DICOMHeaderHelper DICOMHelper;
-	if (openMode == FILE_OPEN_MODE)
-	{
-		//m_itkSeriesReader->SetFileName(m_dicomName.toStdString());
-        DICOMHelper.SetFileName(dir.c_str());
-	}
-	if (openMode == DIR_OPEN_MODE)
-	{
-        DICOMHelper.SetDirName(dir.c_str());
-	}
-	DICOMHelper.Update();
+    DICOMHelper.SetDirName(dir.c_str());
+    DICOMHelper.Update();
+    count = DICOMHelper.GetSeriesCount();
     if ( DICOMHelper.GetSeriesCount()>0){
         for (auto item : DICOMHelper.GetSeriesProperties()) {
-            item->Register(placeHolder);
-            imageProperties.push_back(item);
+            properties.push_back(item);
         }
     }
-    if ( imageProperties.size() > 0 ) {
-        currentImageProperty = imageProperties[0];
-        defaultUniqueID = currentImageProperty->GetUniqueID();
-        readSeries();
-    }
 }
 
-
-void DicomLoader::readSeries() {
-
-    for (ExtendMedicalImageProperties* property: imageProperties){
-
-        std::string patient_name = property->GetPatientName();
-        std::string study_uid = property->GetStudyUID();
-        std::string series_uid = property->GetSeriesUID();
-        //patient level
-        PatientInfo_t* patient = nullptr;
-        //get from store
-        if (m_patients.count(patient_name)>0){
-            patient = m_patients[patient_name];
+void DicomLoader::readPropertiesFromFile(const std::string &file,
+        std::vector<ExtendMedicalImageProperties*>& properties, int& count) {
+    DICOMHeaderHelper DICOMHelper;
+    DICOMHelper.SetFileName(file.c_str());
+    DICOMHelper.Update();
+    count = DICOMHelper.GetSeriesCount();
+    if ( DICOMHelper.GetSeriesCount()>0){
+        for (auto item : DICOMHelper.GetSeriesProperties()) {
+            properties.push_back(item);
         }
-        else{
-            //create new
-            patient = new PatientInfo_t();
-            patient->patient_name = property->GetPatientName();
-            patient->birth_date = property->GetPatientBirthDate();
-            patient->studies = new StudiesMapType();
-            m_patients[patient_name] = patient;
-        }
-        StudyInfo_t* study = nullptr;
-        //get from store
-        if (patient->studies->count(study_uid)>0){
-            study = patient->studies->at(study_uid);
-        }
-        else{
-            //create new
-            study = new StudyInfo_t();
-            patient->studies->insert({study_uid, study});
-            study->study_description = property->GetStudyDescription();
-            study->study_date = property->GetStudyDate();
-            study->study_time = property->GetStudyTime();
-            study->series = new SeriesMapType();
-        }
-        if (study->series->count(series_uid)>0){
-//            series = study->series->at(series_uid);
-            //TODO:need to add override logic!!
-        }
-        else {
-            study->series->insert({series_uid,property});
-
-//            double *wlww = property->GetNthWindowLevelPreset(0);
-//            int ww = wlww ? ((int) wlww[0]) : (512);
-//            int wl = wlww ? ((int) wlww[1]) : (256);
-        }
-        
     }
 }
 
-void DicomLoader::reset() {
-
-    currentImageProperty = nullptr;
-    reader = nullptr;
-    for(auto item: store){
-          delete item.second;
-    }
-    store.clear();
-    for(auto item: m_patients){
-        delete item.second;
-    }
-    m_patients.clear();
-    placeHolder->Delete();
-    placeHolder = vtkObject::New();
-    imageProperties.clear();
+void DicomLoader::getImageData(ExtendMedicalImageProperties *property,
+        vtkSmartPointer<vtkImageData>& pixelData, vtkSmartPointer<vtkImageData>& overlayData) {
+    vtkNew<vtkDCMTKImageReader> reader;
+    reader->SetImageProperties(property);
+    reader->Update();
+    pixelData = reader->GetOutput();
+    overlayData = reader->GetOutputOverLayData();
+}
+
+void DicomLoader::InitCodecs() {
+    DICOMPixelDataHelper::InitCodecs();
+}
+
+void DicomLoader::FinalizeCodecs() {
+    DICOMPixelDataHelper::FinalizeCodecs();
+}
+
+void DicomLoader::getThumbnailData(ExtendMedicalImageProperties* property,void*& data, int& sample) {
+    unsigned  long l ;
+    DICOMPixelDataHelper::GetThumbnailData(property, data,l,sample);
+
 }
 
diff --git a/src/src/IO/DICOM/DicomLoader.h b/src/src/IO/DICOM/DicomLoader.h
index 3021e6b..ae46e9a 100644
--- a/src/src/IO/DICOM/DicomLoader.h
+++ b/src/src/IO/DICOM/DicomLoader.h
@@ -1,77 +1,32 @@
 #ifndef OMEGAV_DICOMLOADER_H
 #define OMEGAV_DICOMLOADER_H
 
-#pragma once
+#include <vector>
+#include <string>
+#include <vtkSmartPointer.h>
 
-#include "Common/QGlobals.h"
-
-using namespace std;
-typedef std::map<std::string,std::vector<std::string>> OrientationMapType;
-class orientationHelper
-{
-public:
-	static std::string StringFilter(char* str);
-	static void init();
-	static std::vector<std::string>* getOrientationStrList(const std::string &index);
-	static OrientationMapType orien_map;
-};
-
-class SeriesImageSet;
-
-
-class DICOMHeaderHelper;
 class ExtendMedicalImageProperties;
-class vtkDCMTKImageReader;
-typedef std::map<std::string, SeriesImageSet*>  ImageSetStore;
+class vtkImageData;
 
 class DicomLoader {
 public:
+    static void InitCodecs();
 
-	static DicomLoader *GetInstance();
+    static void FinalizeCodecs();
 
-    /**
-     * 读取数据Tag
-     * @param dir
-     * @param openMode
-     */
-	void readTags(const std::string &dir, SeriesOpenMode openMode);
+	static void readPropertiesFromDir(const std::string &dir,
+	        std::vector<ExtendMedicalImageProperties*>& properties, int& count);
 
-	const std::string& getDefaultUniqueID(){
-	    return defaultUniqueID;
-	}
+	static void readPropertiesFromFile(const std::string &file,
+	        std::vector<ExtendMedicalImageProperties*>& properties, int& count);
 
-    const PatientsMapType &getPatientsList()
-	{
-		return m_patients;
-	}
-
-    SeriesImageSet* getSeriesImageSet(const std::string& uniqueID);
-
-    void reset();
+	static void getImageData(ExtendMedicalImageProperties* property,
+	        vtkSmartPointer<vtkImageData>& pixelData, vtkSmartPointer<vtkImageData>& overlayData);
 
+	static void getThumbnailData(ExtendMedicalImageProperties* property,void*& data, int& sample);
 private:
-	explicit DicomLoader();
-	~DicomLoader();
-
-	/**
-	 * 本函数根据DICOM文件TagValue来构建一个树状的PSSI结构
-	 * 即：Patient-Study-Series-Image
-	 * 主要用途是为左侧的thumbnail bar 做数据支撑
-	 * TODO：目前Image层暂缺
-	 */
-	void readSeries();
-
-	static DicomLoader *instance;
-
-	//once
-
-    ExtendMedicalImageProperties * currentImageProperty = nullptr;
-    std::vector<ExtendMedicalImageProperties*> imageProperties;
-    vtkDCMTKImageReader * reader = nullptr;
-    ImageSetStore store;
-    std::string defaultUniqueID;
-	PatientsMapType m_patients;
-    vtkObject* placeHolder;
+	DicomLoader() = delete;
+	~DicomLoader() = delete;
 };
 
 #endif OMEGAV_DICOMLOADER_H
diff --git a/src/src/IO/Defines/DIDKitExport.h b/src/src/IO/Defines/DIDKitExport.h
new file mode 100644
index 0000000..e42b34e
--- /dev/null
+++ b/src/src/IO/Defines/DIDKitExport.h
@@ -0,0 +1,19 @@
+//
+// Created by Krad on 2022/9/19.
+//
+
+#ifndef OMEGAV_DIDKITEXPORT_H
+#define OMEGAV_DIDKITEXPORT_H
+
+#ifdef _WIN32
+#ifdef DIDKIT_SHARED
+/* Defines needed for building DLLs on windows */
+#define DIDKIT_EXPORT __declspec(dllexport)
+#elif USE_DIDKIT
+/* Defines needed for use DLLs on windows */
+#define DIDKIT_EXPORT __declspec(dllimport)
+#else
+#define DIDKIT_EXPORT
+#endif
+#endif
+#endif //OMEGAV_DIDKITEXPORT_H
diff --git a/src/src/UI/Manager/ImageViewManager.cpp b/src/src/UI/Manager/ImageViewManager.cpp
index e8eec2a..f86031a 100644
--- a/src/src/UI/Manager/ImageViewManager.cpp
+++ b/src/src/UI/Manager/ImageViewManager.cpp
@@ -9,7 +9,7 @@
 #include <QDebug>
 #include <QVTKOpenGLNativeWidget.h>
 
-#include "IO/DICOM/DicomLoader.h"
+#include "Common/ImageSetStore.h"
 #include "Interaction/ActorDraggableInteractorStyle.h"
 #include "Rendering/Measure/MeasureFactory.h"
 #include "UI/Widget/ImageView/ViewContainerWidget.h"
@@ -359,7 +359,7 @@ void ImageViewManager::viewEndWindowLevel(DicomImageView *src, double level, dou
 void ImageViewManager::viewReload(const std::string &unique_info) {
     if (!currentView) return;
     currentView->unloadFusion();
-    DicomLoader *helper = DicomLoader::GetInstance();
+    ImageSetStore *helper = ImageSetStore::GetInstance();
     currentView->loadSeries(helper->getSeriesImageSet(unique_info));
     currentView->render();
     reloadCurrentView(currentView);
diff --git a/src/src/UI/Widget/Thumbnail/thumbnailImage.cpp b/src/src/UI/Widget/Thumbnail/thumbnailImage.cpp
index 575b647..c9090d9 100644
--- a/src/src/UI/Widget/Thumbnail/thumbnailImage.cpp
+++ b/src/src/UI/Widget/Thumbnail/thumbnailImage.cpp
@@ -3,7 +3,7 @@
 #include <QImage>
 #include "qstyleoption.h"
 #include "qpainter.h"
-#include "IO/DICOM/DICOMPixelDataHelper.h"
+#include "IO/DICOM/DicomLoader.h"
 
 static QString unpick_style = "*{background-color:#7f7f7f;}"
 "QLabel#m_descri{color:white}";
@@ -134,9 +134,8 @@ thumbnailImage::~thumbnailImage()
 void thumbnailImage::drawThumbnail() {
     if (m_Data) free(m_Data);
     m_Data = nullptr;
-    unsigned long length = 0;
     int sample = 0;
-    DICOMPixelDataHelper::GetThumbnailData(seriesProperty, m_Data, length, sample);
+    DicomLoader::getThumbnailData(seriesProperty, m_Data, sample);
     QImage image( (uchar*)m_Data, seriesProperty->GetColumns(), seriesProperty->GetRows(),
                  sample == 1 ? QImage::Format_Grayscale8 : QImage::Format_RGB888);//使用8位深度的灰度图做输出
     image = image.scaledToHeight(100);
diff --git a/src/src/UI/Widget/Thumbnail/thumbnailbarwidget.cpp b/src/src/UI/Widget/Thumbnail/thumbnailbarwidget.cpp
index d037c4a..a588e9b 100644
--- a/src/src/UI/Widget/Thumbnail/thumbnailbarwidget.cpp
+++ b/src/src/UI/Widget/Thumbnail/thumbnailbarwidget.cpp
@@ -5,8 +5,8 @@
 #include <qstyleoption.h>
 #include <qpainter.h>
 
+#include "Common/ImageSetStore.h"
 #include "IO/DICOM/DicomLoader.h"
-#include "IO/DICOM/DICOMPixelDataHelper.h"
 #include "Common/SeriesImageSet.h"
 #include "UI/Widget/ImageView/dicomimageview.h"
 
@@ -84,7 +84,7 @@ void ThumbnailBarWidget::updateThumbnailBar()
 	}
 	clear();
     bool firstThumbnail = true;
-	DicomLoader *helper = DicomLoader::GetInstance();
+    ImageSetStore *helper = ImageSetStore::GetInstance();
 	//获取Patient
 	const PatientsMapType & all_patients = helper->getPatientsList();
 	for (PatientsMapType::const_iterator it_pa = all_patients.cbegin(); it_pa != all_patients.cend(); it_pa++) {
@@ -116,7 +116,7 @@ void ThumbnailBarWidget::updateThumbnailBar()
 
             SeriesMapType *series = it_st->second->series;
 
-            DICOMPixelDataHelper::InitCodecs();
+            DicomLoader::InitCodecs();
             for (SeriesMapType::const_iterator it_se = series->cbegin(); it_se != series->cend(); it_se++) {
                 thumbnailImage *thumbnail = createThumbnailImage(seriesPanel, it_se->second);
 
@@ -128,7 +128,7 @@ void ThumbnailBarWidget::updateThumbnailBar()
                 //save all thumbnail in one list
                 LabelList << thumbnail;
             }
-            DICOMPixelDataHelper::FinalizeCodecs();
+            DicomLoader::FinalizeCodecs();
         }
     }
 }
diff --git a/src/src/UI/Window/QDicomViewer.cpp b/src/src/UI/Window/QDicomViewer.cpp
index 54d2af6..06b5a7b 100644
--- a/src/src/UI/Window/QDicomViewer.cpp
+++ b/src/src/UI/Window/QDicomViewer.cpp
@@ -7,6 +7,9 @@
 #include <QButtonGroup>
 
 
+#include "Common/Helper/OrientationHelper.h"
+#include "Common/ImageSetStore.h"
+#include "IO/DICOM/DicomLoader.h"
 #include "Interaction/ActorDraggableInteractorStyle.h"
 #include "UI/Manager/ImageViewManager.h"
 #include "UI/Widget/Component/gridpopwidget.h"
@@ -39,7 +42,7 @@ QDicomViewer::QDicomViewer(QWidget *parent) : QMainWindow(parent),
     displayThumbnailBar(false);
 
     //TODO:目前为方向是写死的正交方向
-    orientationHelper::init();
+    OrientationHelper::init();
 }
 
 QDicomViewer::~QDicomViewer() {
@@ -272,14 +275,24 @@ void QDicomViewer::openDICOM(const std::string &dicomName, SeriesOpenMode openMo
 
     //必须首先重置成1个窗口的布局
     ui->viewContainer->resetLayoutToSingle();
-    //数据读取
-    DicomLoader *helper = DicomLoader::GetInstance();
-    helper->reset();
-    //load image and tag
-    helper->readTags(dicomName, openMode);
-    auto unique = helper->getDefaultUniqueID();
 
-    ui->viewContainer->getViewManager()->viewReload(unique);
+    //reset store
+    ImageSetStore *helper = ImageSetStore::GetInstance();
+    helper->reset();
+
+    int count = 0;
+    std::vector<ExtendMedicalImageProperties*> vector;
+    if (openMode == SeriesOpenMode::DIR_OPEN_MODE){
+        DicomLoader::readPropertiesFromDir(dicomName, vector,count);
+    }else{
+        DicomLoader::readPropertiesFromFile(dicomName, vector, count);
+    }
+    for (int i = 0; i < count; ++i) {
+        helper->addImageSet(vector[i]);
+    }
+    if  (count > 0){
+        ui->viewContainer->getViewManager()->viewReload(vector[0]->GetUniqueID());
+    }
     ui->thumbnailBar->updateThumbnailBar();
 }