diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
index 1914721..bf4dcce 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
@@ -309,9 +309,8 @@ void FolderLayerWrapper::paint(QPainter* painter, QTransform transform, bool for
         return;
     LayerWrapper::paint(painter, transform, force);
     transform = property.transform * transform;
-    //qDebug() << transform;
-	for (auto& child : children)
-		child->paint(painter, transform, force);
+	for (auto it = children.rbegin(); it != children.rend(); ++it)
+		(*it)->paint(painter, transform, force);
 }
 
 void LeafLayerWrapper::paint(QPainter* painter, QTransform transform, bool force)
diff --git a/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp b/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp
index 448c6f6..4a2292e 100644
--- a/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp
+++ b/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp
@@ -3,6 +3,7 @@
 #include <QMenu>
 #include "./EditorWidgetComponent/LayerCreateWidget.h"
 #include <QTimer>
+#include <QKeyEvent>
 
 LayerTreeWidget::LayerTreeWidget(QWidget *parent)
 {
@@ -131,4 +132,75 @@ void LayerTreeWidget::onRenameEvent()
 
 void LayerTreeWidget::refresh() {
     this->root->refreshTreeItem();
+}
+
+void LayerTreeWidget::keyPressEvent(QKeyEvent* event)
+{
+    if (QApplication::keyboardModifiers() == Qt::ALT)
+    {
+		if (event->key() == Qt::Key_Up)
+		{
+            pushUpLayer();
+		}
+		else if (event->key() == Qt::Key_Down)
+		{
+            pushDownLayer();
+		}
+    }
+}
+
+void LayerTreeWidget::pushUpLayer()
+{
+	if (this->selectedItem == nullptr)
+		return;
+	auto layer = this->selectedItem->data(0, Qt::UserRole).value<LayerWrapper*>();
+	if (layer == nullptr)
+		return;
+	auto parent = layer->getParent();
+    int index = -1;
+	for (int i = 0; i < parent->children.size(); i++)
+	{
+		if (parent->children[i].get() == layer)
+		{
+			index = i;
+			break;
+		}
+	}
+	if (index == -1 || index == 0)
+		return;
+	auto temp = parent->children[index - 1];
+	parent->children[index - 1] = parent->children[index];
+	parent->children[index] = temp;
+	layer->qTreeWidgetItem->parent()->removeChild(layer->qTreeWidgetItem);
+	parent->qTreeWidgetItem->insertChild(index - 1, layer->qTreeWidgetItem);
+    this->setCurrentItem(layer->qTreeWidgetItem);
+	emit triggerCentralRefresh();
+}
+
+void LayerTreeWidget::pushDownLayer()
+{
+    if (this->selectedItem == nullptr)
+        return;
+    auto layer = this->selectedItem->data(0, Qt::UserRole).value<LayerWrapper*>();
+    if (layer == nullptr)
+        return;
+    auto parent = layer->getParent();
+    int index = -1;
+    for (int i = 0; i < parent->children.size(); i++)
+    {
+        if (parent->children[i].get() == layer)
+        {
+            index = i;
+            break;
+        }
+    }
+    if (index == -1 || index == parent->children.size() - 1)
+        return;
+	auto temp = parent->children[index + 1];
+	parent->children[index + 1] = parent->children[index];
+	parent->children[index] = temp;
+	layer->qTreeWidgetItem->parent()->removeChild(layer->qTreeWidgetItem);
+	parent->qTreeWidgetItem->insertChild(index + 1, layer->qTreeWidgetItem);
+	this->setCurrentItem(layer->qTreeWidgetItem);
+	emit triggerCentralRefresh();
 }
\ No newline at end of file
diff --git a/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.h b/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.h
index a7f4c93..4dce9be 100644
--- a/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.h
+++ b/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.h
@@ -9,6 +9,8 @@ class LayerTreeWidget : public QTreeWidget
   private:
     QTreeWidgetItem *selectedItem;
     LayerWrapper *copiedItem;
+    void pushUpLayer();
+	void pushDownLayer();
 
   public:
     ElementManager* elementManager;
@@ -17,6 +19,7 @@ class LayerTreeWidget : public QTreeWidget
     void onRenameEvent();
     void popMenu(const QPoint &pos);
     void refresh();
+	void keyPressEvent(QKeyEvent* event) override;
     // void mouseDoubleClickEvent(QMouseEvent *event) override;
     // void onItemDoubleClicked(QTreeWidgetItem *item, int column = 0);