diff --git a/src/src/view/ImageViewManager.cpp b/src/src/view/ImageViewManager.cpp
index 2df6337..fecf05c 100644
--- a/src/src/view/ImageViewManager.cpp
+++ b/src/src/view/ImageViewManager.cpp
@@ -40,7 +40,11 @@ void ImageViewManager::smartDo(SmartDoCallback cb, DicomImageView *sourceView, v
         case DoScope::SameSeries:{
             std::for_each(vList.begin(),vList.end(),[=](auto v){
                 //check series
-                cb(v, callData);
+                auto series = sourceView->getSeriesInstance();
+                if (v->getSeriesInstance()==series && v->GetSliceOrientation() == sourceView->GetSliceOrientation()){
+                    cb(v, callData);
+                }
+
             });
             break;
         }
@@ -48,7 +52,10 @@ void ImageViewManager::smartDo(SmartDoCallback cb, DicomImageView *sourceView, v
             std::for_each(vList.begin(),vList.end(),[=](auto v){
                 if (v == sourceView) return;
                 //check series
-                cb(v, callData);
+                auto series = sourceView->getSeriesInstance();
+                if (v->getSeriesInstance()==series && v->GetSliceOrientation() == sourceView->GetSliceOrientation()){
+                    cb(v, callData);
+                }
             });
             break;
         }
diff --git a/src/src/view/viewcontainerwidget.cpp b/src/src/view/viewcontainerwidget.cpp
index 5496acc..a345f1b 100644
--- a/src/src/view/viewcontainerwidget.cpp
+++ b/src/src/view/viewcontainerwidget.cpp
@@ -1,4 +1,4 @@
-#include "viewcontainerwidget.h"
+#include "viewcontainerwidget.h"
 #include "thumbnailImage.h"
 #include "DicomLoader.h"
 #include <QWidget>
@@ -75,7 +75,7 @@ void ViewContainerWidget::Slot_SyncEvent(DicomImageView *view, int interactionMo
                         v->SetSlice(r[0]);
                         v->setScrollChangedType(scrollScope::TriggerType::USER_TRIGGER);
                     }
-			    },view, calldata,ImageViewManager::AllExceptSelf);
+			    },view, calldata,ImageViewManager::SameSeriesExceptSelf);
 			}
 			if (SyncHelper::getSyncState() == MANUAL_SYNC)
 			{
@@ -87,7 +87,7 @@ void ViewContainerWidget::Slot_SyncEvent(DicomImageView *view, int interactionMo
                         v->AddSlice(r[1]);
                         v->setScrollChangedType(scrollScope::TriggerType::USER_TRIGGER);
                     }
-                },view, calldata,ImageViewManager::AllExceptSelf);
+                },view, calldata,ImageViewManager::SameSeriesExceptSelf);
 			}
 
 		}
@@ -101,7 +101,7 @@ void ViewContainerWidget::Slot_SyncEvent(DicomImageView *view, int interactionMo
                     double vector[3] = { d[3] - d[0],d[4] - d[1],d[5] - d[2] };
                     v->SetPanOffset(vector);
                 }
-            },view, calldata,ImageViewManager::AllExceptSelf);
+            },view, calldata,ImageViewManager::SameSeriesExceptSelf);
 		}
 		break;
 	case VTKIS_IMAGE_ZOOM:
@@ -112,7 +112,7 @@ void ViewContainerWidget::Slot_SyncEvent(DicomImageView *view, int interactionMo
                     double *d = (double *)callData;
                     v->SetZoomScale(d[1]);
                 }
-            },view, calldata,ImageViewManager::AllExceptSelf);
+            },view, calldata,ImageViewManager::SameSeriesExceptSelf);
 		}
 		break;
 	case VTKIS_IMAGE_WINDOWLEVEL:
@@ -123,7 +123,7 @@ void ViewContainerWidget::Slot_SyncEvent(DicomImageView *view, int interactionMo
                     double *d = (double *)callData;
                     v->SetWindowLevel(d[1], d[0]);
                 }
-            },view, calldata,ImageViewManager::AllExceptSelf);
+            },view, calldata,ImageViewManager::SameSeriesExceptSelf);
 		}
 		break;
 	default:
@@ -354,20 +354,21 @@ void ViewContainerWidget::toggleViewWithFusion()
 
 void ViewContainerWidget::replaceViewWithFusion()
 {
-	//Temporal: automatically fusion with next image
-	DicomImageView * overlap_view = this->getNextView();
-	if (checkFusionStatus(manager.getCurrentView(), overlap_view))
-	{
-		connect(overlap_view, &DicomImageView::Signal_WindowLevelEventForFusion,
-                manager.getCurrentView(), &DicomImageView::Slot_WindowLevelEventForFusion);
+    for (int i = 0; i < manager.getViewCount(); ++i) {
+        if (manager.getView(i) == manager.getCurrentView()) continue;
+        DicomImageView * overlap_view = manager.getView(i);
+        if (checkFusionStatus(manager.getCurrentView(), overlap_view))
+        {
+            connect(overlap_view, &DicomImageView::Signal_WindowLevelEventForFusion,
+                    manager.getCurrentView(), &DicomImageView::Slot_WindowLevelEventForFusion);
+
+            manager.getCurrentView()->SetFusionInput(overlap_view);
+            manager.getCurrentView()->Render();
+            return;
+        }
+    }
+    QMessageBox::information(this, "Warning", "Invalid Fusion!");
 
-        manager.getCurrentView()->SetFusionInput(overlap_view);
-        manager.getCurrentView()->Render();
-	}
-	else
-	{
-		QMessageBox::information(this, "Warning", "Invalid Fusion!");
-	}
 }
 void ViewContainerWidget::removeCurrentViewWithFusion()
 {