diff --git a/include/mainwindow.h b/include/mainwindow.h
index 95ad201..dd89b8d 100644
--- a/include/mainwindow.h
+++ b/include/mainwindow.h
@@ -46,6 +46,7 @@ private slots:
     void onAction_destroyGroup();
     void onSignal_addItem(GraphicsBaseItem*);
     void onSignal_deleteItem();
+    void onSignal_selectionChanged();
 
 private:
 	QAction*       m_pSavePerspectiveAction = nullptr;
diff --git a/source/mainwindow.cpp b/source/mainwindow.cpp
index 293c223..ca0c0b8 100644
--- a/source/mainwindow.cpp
+++ b/source/mainwindow.cpp
@@ -71,6 +71,7 @@ void CMainWindow::initializeDockUi()
     m_pDrawingPanel = new DrawingPanel();
     DesignerScene* designerScene = m_pDrawingPanel->getDesignerScene();
     connect(designerScene, SIGNAL(signalAddItem(GraphicsBaseItem*)), this, SLOT(onSignal_addItem(GraphicsBaseItem*)));
+    connect(designerScene, SIGNAL(selectionChanged()), this, SLOT(onSignal_selectionChanged()));
     CDockWidget* centralDockWidget = new CDockWidget("CentralWidget");
     centralDockWidget->setWidget(m_pDrawingPanel);
     auto* centralDockArea = m_pDockManager->setCentralWidget(centralDockWidget);
@@ -170,7 +171,7 @@ void CMainWindow::onSignal_addItem(GraphicsBaseItem* item)
 {
     if(item)
     {
-        m_pPropertiesEditorView->setObject(static_cast<QObject*>(item));
+        // m_pPropertiesEditorView->setObject(static_cast<QObject*>(item));
         QUndoCommand* addItemCommand = new AddItemCommand(item, item->scene());
         m_pUndoStack->push(addItemCommand);
     }
@@ -186,3 +187,13 @@ void CMainWindow::onSignal_deleteItem()
     m_pUndoStack->push(deleteItemCommand); //push时会自动调用一次command的redo函数
 }
 
+void CMainWindow::onSignal_selectionChanged()
+{
+    QList<QGraphicsItem*> selectedItems = m_pDrawingPanel->getQGraphicsScene()->selectedItems();
+    if(selectedItems.count() != 1) {
+        m_pPropertiesEditorView->setObject(m_pDrawingPanel->getQGraphicsScene());
+        return;
+    }   
+    GraphicsBaseItem *item = static_cast<GraphicsBaseItem*>(selectedItems.first());
+    m_pPropertiesEditorView->setObject(static_cast<QObject*>(item));
+}