diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
index 9135744..628965b 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
@@ -33,6 +33,7 @@ PixelPath LayerWrapper::getCache()
 LayerWrapper::LayerWrapper(QJsonObject json, FolderLayerWrapper*parent)
 {
     this->parent = parent;
+	this->qTreeWidgetItem = new QTreeWidgetItem();
     auto transformJson = json.value("transform").toObject();
     property.name = json.value("name").toString();
     property.offset = {transformJson.value("offset").toObject().value("x").toDouble(),
@@ -119,22 +120,22 @@ void LayerWrapper::setParent(FolderLayerWrapper* newParent)
 void FolderLayerWrapper::removeAllChild()
 {
     children.clear();
-	qTreeWidgetItem.takeChildren();
+	qTreeWidgetItem->takeChildren();
 }
 
 void LayerWrapper::del() {
     qDebug() << "LayerWrapper::del()";
 	if (parent != nullptr){
-        qTreeWidgetItem.takeChildren();
-		parent->qTreeWidgetItem.removeChild(&qTreeWidgetItem);
+        qTreeWidgetItem->takeChildren();
+		parent->qTreeWidgetItem->removeChild(qTreeWidgetItem);
     }
 }
 
 void LayerWrapper::delSelf() {
     qDebug() << "LayerWrapper::delSelf()";
     if (parent != nullptr) {
-        qTreeWidgetItem.takeChildren();
-        parent->qTreeWidgetItem.removeChild(&qTreeWidgetItem);
+        qTreeWidgetItem->takeChildren();
+        parent->qTreeWidgetItem->removeChild(qTreeWidgetItem);
     }
 }
 
@@ -154,7 +155,7 @@ void FolderLayerWrapper::delSelf() {
         qDebug() << this;
         for (auto& child : this->children) {
 			this->parent->addChild(child);
-			this->parent->qTreeWidgetItem.addChild(&child.get()->qTreeWidgetItem);
+			this->parent->qTreeWidgetItem->addChild(child.get()->qTreeWidgetItem);
 			child->setParent(this->parent);
         }
 		while (!this->children.empty()) {
@@ -166,18 +167,18 @@ void FolderLayerWrapper::delSelf() {
 
 QTreeWidgetItem* LayerWrapper::getQTreeItem() 
 {
-	this->qTreeWidgetItem.setText(0, this->property.name);
-	this->qTreeWidgetItem.setData(0, Qt::UserRole, QVariant::fromValue(this));
-	return &this->qTreeWidgetItem;
+	this->qTreeWidgetItem->setText(0, this->property.name);
+	this->qTreeWidgetItem->setData(0, Qt::UserRole, QVariant::fromValue(this));
+	return this->qTreeWidgetItem;
 }
 
 QTreeWidgetItem* FolderLayerWrapper::getQTreeItem()
 {
-	while (this->qTreeWidgetItem.childCount() > 0) {
-		this->qTreeWidgetItem.removeChild(this->qTreeWidgetItem.child(0));
+	while (this->qTreeWidgetItem->childCount() > 0) {
+		this->qTreeWidgetItem->removeChild(this->qTreeWidgetItem->child(0));
 	}
 	for (auto& child : this->children) {
-		this->qTreeWidgetItem.addChild(child->getQTreeItem());
+		this->qTreeWidgetItem->addChild(child->getQTreeItem());
 	}
 	return LayerWrapper::getQTreeItem();
 }
diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
index 08f0c9b..57492a8 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
@@ -33,7 +33,7 @@ class LayerWrapper
     PixelPath cache;
 
   public:
-	QTreeWidgetItem qTreeWidgetItem;
+	QTreeWidgetItem* qTreeWidgetItem;
     struct SimpleProperty
     {
         QString name = "";
diff --git a/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp b/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp
index 1d7cee7..fd04735 100644
--- a/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp
+++ b/ArchitectureColoredPainting/src/Editor/RightBar/LayerTreeWidget.cpp
@@ -51,7 +51,7 @@ void LayerTreeWidget::popMenu(const QPoint &pos)
                         else
 							newLayer = new LeafLayerWrapper(jsonObj, this->elementManager, folderLayer);
 					    folderLayer->addChild(std::shared_ptr<LayerWrapper>(newLayer));
-						folderLayer->qTreeWidgetItem.addChild(newLayer->getQTreeItem());
+						folderLayer->qTreeWidgetItem->addChild(newLayer->getQTreeItem());
                         qDebug() << jsonObj<<"----------------------";
                         this->refresh();
                         emit requireRefreshPreview();