diff --git a/src/src/IO/DICOM/DicomLoader.cpp b/src/src/IO/DICOM/DicomLoader.cpp
index 2ea83c4..6c9dbdd 100644
--- a/src/src/IO/DICOM/DicomLoader.cpp
+++ b/src/src/IO/DICOM/DicomLoader.cpp
@@ -3,7 +3,7 @@
 #include "Common/SeriesImageSet.h"
 #include "DICOMHeaderHelper.h"
 #include "ExtendMedicalImageProperties.h"
-#include "vtkDICOMImageReader2.h"
+#include "vtkDCMTKImageReader.h"
 #include "vtkImageData.h"
 #include <map>
 #include <algorithm>
@@ -125,7 +125,7 @@ SeriesImageSet* DicomLoader::getSeriesImageSet(const std::string& uniqueID)//, D
         return store[uniqueID];
     }
     if (reader) reader->Delete();
-    reader = vtkDICOMImageReader2::New();
+    reader = vtkDCMTKImageReader::New();
     auto iter = std::find_if(imageProperties.begin(), imageProperties.end(),[&uniqueID](auto  property){
         return property->GetUniqueID()==uniqueID;
     });
diff --git a/src/src/IO/DICOM/DicomLoader.h b/src/src/IO/DICOM/DicomLoader.h
index 8a2a2b0..3021e6b 100644
--- a/src/src/IO/DICOM/DicomLoader.h
+++ b/src/src/IO/DICOM/DicomLoader.h
@@ -21,7 +21,7 @@ class SeriesImageSet;
 
 class DICOMHeaderHelper;
 class ExtendMedicalImageProperties;
-class vtkDICOMImageReader2;
+class vtkDCMTKImageReader;
 typedef std::map<std::string, SeriesImageSet*>  ImageSetStore;
 
 class DicomLoader {
@@ -67,7 +67,7 @@ private:
 
     ExtendMedicalImageProperties * currentImageProperty = nullptr;
     std::vector<ExtendMedicalImageProperties*> imageProperties;
-    vtkDICOMImageReader2 * reader = nullptr;
+    vtkDCMTKImageReader * reader = nullptr;
     ImageSetStore store;
     std::string defaultUniqueID;
 	PatientsMapType m_patients;
diff --git a/src/src/IO/DICOM/vtkDICOMImageReader2.cpp b/src/src/IO/DICOM/vtkDCMTKImageReader.cpp
similarity index 79%
rename from src/src/IO/DICOM/vtkDICOMImageReader2.cpp
rename to src/src/IO/DICOM/vtkDCMTKImageReader.cpp
index 2b2fa42..ce83afd 100644
--- a/src/src/IO/DICOM/vtkDICOMImageReader2.cpp
+++ b/src/src/IO/DICOM/vtkDCMTKImageReader.cpp
@@ -2,27 +2,29 @@
 // Created by Krad on 2022/2/8.
 //
 
-#include <vtkErrorCode.h>
-#include "vtkDICOMImageReader2.h"
-#include "vtkDataArray.h"
-#include "vtkImageData.h"
-#include "vtkObjectFactory.h"
-#include "vtkPointData.h"
+#include "vtkDCMTKImageReader.h"
 
+#include <vtkErrorCode.h>
+#include <vtkDataArray.h>
+#include <vtkImageData.h>
+#include <vtkObjectFactory.h>
+#include <vtkPointData.h>
+
+#include "ExtendMedicalImageProperties.h"
 #include "IO/DICOM/DICOMPixelDataHelper.h"
 
-vtkStandardNewMacro(vtkDICOMImageReader2);
+vtkStandardNewMacro(vtkDCMTKImageReader);
 
-vtkDICOMImageReader2::vtkDICOMImageReader2():vtkDICOMImageReader() {
+vtkDCMTKImageReader::vtkDCMTKImageReader(): vtkImageReader2() {
 
 }
 
-vtkDICOMImageReader2::~vtkDICOMImageReader2() {
+vtkDCMTKImageReader::~vtkDCMTKImageReader() {
 
 }
 
 //----------------------------------------------------------------------------
-void vtkDICOMImageReader2::SetupOutputInformation(int num_slices)
+void vtkDCMTKImageReader::SetupOutputInformation(int num_slices)
 {
 
     int width = this->properties->GetColumns();
@@ -66,7 +68,7 @@ void vtkDICOMImageReader2::SetupOutputInformation(int num_slices)
 
 }
 
-void vtkDICOMImageReader2::ExecuteInformation() {
+void vtkDCMTKImageReader::ExecuteInformation() {
     if (!properties)
     {
         vtkErrorMacro( << "No image properties set for the reader.");
@@ -76,7 +78,7 @@ void vtkDICOMImageReader2::ExecuteInformation() {
     this->SetupOutputInformation(static_cast<int>(properties->GetFileNames().size()));
 }
 
-void vtkDICOMImageReader2::ExecuteDataWithInformation(vtkDataObject *output,
+void vtkDCMTKImageReader::ExecuteDataWithInformation(vtkDataObject *output,
                                                      vtkInformation *outInfo) {
     vtkImageData *data = this->AllocateOutputData(output, outInfo);
     if (!properties) {
@@ -152,28 +154,11 @@ void vtkDICOMImageReader2::ExecuteDataWithInformation(vtkDataObject *output,
     DICOMPixelDataHelper::FinalizeCodecs();
 }
 
-double* vtkDICOMImageReader2::GetPixelSpacing()
+double* vtkDCMTKImageReader::GetPixelSpacing()
 {
     return this->properties->GetSpacing();
 }
 
-void vtkDICOMImageReader2::SetFileNames(const std::vector<std::string>& files) {
-
-    this->DICOMFileNames->clear();
-    for (vtkIdType i = 0; i < files.size(); i++)
-    {
-        if (strcmp(files[i].c_str(), ".") == 0 ||
-            strcmp(files[i].c_str(), "..") == 0)
-        {
-            continue;
-        }
-
-        std::string fileString = files[i];
-        vtkDebugMacro( << "Adding " << fileString.c_str() << " to DICOMFileNames.");
-        this->DICOMFileNames->push_back(fileString);
-    }
-}
-
-vtkImageData *vtkDICOMImageReader2::GetOutputOverLayData() {
+vtkImageData *vtkDCMTKImageReader::GetOutputOverLayData() {
     return OverLayData;
 }
diff --git a/src/src/IO/DICOM/vtkDICOMImageReader2.h b/src/src/IO/DICOM/vtkDCMTKImageReader.h
similarity index 52%
rename from src/src/IO/DICOM/vtkDICOMImageReader2.h
rename to src/src/IO/DICOM/vtkDCMTKImageReader.h
index 093d5ba..44dc88a 100644
--- a/src/src/IO/DICOM/vtkDICOMImageReader2.h
+++ b/src/src/IO/DICOM/vtkDCMTKImageReader.h
@@ -6,33 +6,26 @@
 #define DCMV_VTKDICOMIMAGEREADER2_H
 
 
-#include <vtkDICOMImageReader.h>
+#include <vtkImageReader2.h>
 #include <vector>
 #include <string>
 
-#include "ExtendMedicalImageProperties.h"
-class vtkDICOMImageReaderVector : public std::vector<std::string>
-{
+class ExtendMedicalImageProperties;
 
-};
-class vtkDICOMImageReader2: public vtkDICOMImageReader {
+class vtkDCMTKImageReader: public vtkImageReader2 {
 public:
     //@{
     /**
      * Static method for construction.
      */
-    static vtkDICOMImageReader2 *New();
-    vtkTypeMacro(vtkDICOMImageReader2,vtkDICOMImageReader);
+    static vtkDCMTKImageReader *New();
+    vtkTypeMacro(vtkDCMTKImageReader, vtkImageReader2);
     //@}
 
-
-    void SetFileNames(const std::vector<std::string>& files);
     void SetImageProperties(ExtendMedicalImageProperties* p){
         this->properties = p;
     }
-    vtkDICOMImageReaderVector* GetDICOMFileNames(){
-        return DICOMFileNames;
-    }
+
     double* GetPixelSpacing();
 
     vtkGetMacro(HasOverlay, bool);
@@ -44,21 +37,20 @@ protected:
 
     void SetupOutputInformation(int num_slices);
     void ExecuteInformation() override;
-    void ExecuteDataWithInformation(vtkDataObject *output,
-                                                          vtkInformation *outInfo) override ;
+    void ExecuteDataWithInformation(vtkDataObject *output,vtkInformation *outInfo) override ;
 
     //
     // Constructor
     //
-    vtkDICOMImageReader2();
+    vtkDCMTKImageReader();
 
     //
     // Destructor
     //
-    ~vtkDICOMImageReader2() override;
+    ~vtkDCMTKImageReader() override;
 private:
-    vtkDICOMImageReader2(const vtkDICOMImageReader2&) = delete;
-    void operator=(const vtkDICOMImageReader2&) = delete;
+    vtkDCMTKImageReader(const vtkDCMTKImageReader&) = delete;
+    void operator=(const vtkDCMTKImageReader&) = delete;
     ExtendMedicalImageProperties* properties = nullptr;
     vtkImageData* OverLayData = nullptr;
     bool HasOverlay = false;