diff --git a/src/src/Rendering/Viewer/ResliceImageViewer.cpp b/src/src/Rendering/Viewer/ResliceImageViewer.cpp
index 24863b2..a91378e 100644
--- a/src/src/Rendering/Viewer/ResliceImageViewer.cpp
+++ b/src/src/Rendering/Viewer/ResliceImageViewer.cpp
@@ -254,6 +254,10 @@ void ResliceImageViewer::InitOrthogonalCursor() const {
     cursor2->SetSliceDirectionVector(sliceDirection2);
 }
 
+/**
+ * SetDefaultSliceOrientation
+ * @param orientation 0 Sagittal , 1 Coronal, 2 Axial
+ */
 void ResliceImageViewer::SetDefaultSliceOrientation(int orientation) {
     double position[4] = {.0, .0, .0, 1.};
     double ViewUp[4] = {.0, .0, .0, 1.};
diff --git a/src/src/UI/Manager/ResliceImageManager.cpp b/src/src/UI/Manager/ResliceImageManager.cpp
index f2109ae..8552320 100644
--- a/src/src/UI/Manager/ResliceImageManager.cpp
+++ b/src/src/UI/Manager/ResliceImageManager.cpp
@@ -17,15 +17,15 @@ ResliceImageManager::ResliceImageManager(QObject *parent) : QObject(parent) {
 void ResliceImageManager::SetViewer(int index, ResliceImageViewer *viewer) {
     if (!viewer) return;
     switch (index){
-        case 0:{
+        case 2:{
             viewerA = viewer;
             break;
         }
-        case 1:{
+        case 0:{
             viewerC = viewer;
             break;
         }
-        case 2:{
+        case 1:{
             viewerS = viewer;
         }
     }
@@ -56,15 +56,15 @@ void ResliceImageManager::RollCallback(vtkObject *sender, unsigned long eventID,
     auto viewer = ResliceImageViewer::SafeDownCast(sender);
     if (viewer){
         if (viewer==viewerA){
-            viewerC->ChangeSliceNormal(viewer->GetCursorSliceDirection1());
+            viewerC->ChangeSliceNormal(viewer->GetCursorSliceDirection2());
             viewerC->Render();
-            viewerS->ChangeSliceNormal(viewer->GetCursorSliceDirection2());
+            viewerS->ChangeSliceNormal(viewer->GetCursorSliceDirection1());
             viewerS->Render();
         }
         if (viewer==viewerC){
-            viewerA->ChangeSliceNormal(viewer->GetCursorSliceDirection1());
+            viewerA->ChangeSliceNormal(viewer->GetCursorSliceDirection2());
             viewerA->Render();
-            viewerS->ChangeSliceNormal(viewer->GetCursorSliceDirection2());
+            viewerS->ChangeSliceNormal(viewer->GetCursorSliceDirection1());
             viewerS->Render();
         }
         if (viewer==viewerS){
diff --git a/src/src/UI/Window/MPRResliceWindow.cpp b/src/src/UI/Window/MPRResliceWindow.cpp
index 3160ec8..4fe5989 100644
--- a/src/src/UI/Window/MPRResliceWindow.cpp
+++ b/src/src/UI/Window/MPRResliceWindow.cpp
@@ -64,9 +64,9 @@ MPRResliceWindow::MPRResliceWindow(QWidget *parent, Qt::WindowFlags f) : QDialog
     mWidgetSagittal->setRenderWindow(window3);
 
     manager = new ResliceImageManager(this);
-    manager->SetViewer(0,mViewerA);
-    manager->SetViewer(1,mViewerC);
-    manager->SetViewer(2,mViewerS);
+    manager->SetViewer(2,mViewerA);
+    manager->SetViewer(0,mViewerC);
+    manager->SetViewer(1,mViewerS);
     manager->InitEvents();
 
     connect(toolBar, &ResliceMPRToolBar::modeButtonClicked,manager,&ResliceImageManager::SetMode);
@@ -213,19 +213,19 @@ void MPRResliceWindow::loadData(SeriesImageSet *series) {
     mViewerC->SetRenderWindow(mWidgetCoronal->renderWindow());
     mViewerC->SetInputData(series->GetData());
     mViewerC->SetCoordsTransformMatrix(series->GetProperty()->GetOrientationMatrix());
-    mViewerC->SetDefaultSliceOrientation(2);
+    mViewerC->SetDefaultSliceOrientation(1);
     mViewerC->SetWindowLevel(mWindowLevel);
     mViewerC->Render();
     mViewerS->SetRenderWindow(mWidgetSagittal->renderWindow());
     mViewerS->SetInputData(series->GetData());
     mViewerS->SetCoordsTransformMatrix(series->GetProperty()->GetOrientationMatrix());
-    mViewerS->SetDefaultSliceOrientation(1);
+    mViewerS->SetDefaultSliceOrientation(0);
     mViewerS->SetWindowLevel(mWindowLevel);
     mViewerS->Render();
     mViewerA->SetRenderWindow(mWidgetAxial->renderWindow());
     mViewerA->SetInputData(series->GetData());
     mViewerA->SetCoordsTransformMatrix(series->GetProperty()->GetOrientationMatrix());
-    mViewerA->SetDefaultSliceOrientation(0);
+    mViewerA->SetDefaultSliceOrientation(2);
     mViewerA->SetWindowLevel(mWindowLevel);
     mViewerA->Render();
 }
@@ -238,13 +238,13 @@ void MPRResliceWindow::SetDefaultWindowLevel(double* windowLevel) {
 }
 
 void MPRResliceWindow::Reset() {
-    mViewerC->SetDefaultSliceOrientation(2);
+    mViewerC->SetDefaultSliceOrientation(1);
     mViewerC->InitOrthogonalCursor();
     mViewerC->SetWindowLevel(mWindowLevel);
-    mViewerS->SetDefaultSliceOrientation(1);
+    mViewerS->SetDefaultSliceOrientation(0);
     mViewerS->InitOrthogonalCursor();
     mViewerS->SetWindowLevel(mWindowLevel);
-    mViewerA->SetDefaultSliceOrientation(0);
+    mViewerA->SetDefaultSliceOrientation(2);
     mViewerA->InitOrthogonalCursor();
     mViewerA->SetWindowLevel(mWindowLevel);
 }