diff --git a/ArchitectureColoredPainting/src/Editor/GraphicElement.cpp b/ArchitectureColoredPainting/src/Editor/GraphicElement.cpp
index de83df9..2775fe5 100644
--- a/ArchitectureColoredPainting/src/Editor/GraphicElement.cpp
+++ b/ArchitectureColoredPainting/src/Editor/GraphicElement.cpp
@@ -45,7 +45,6 @@ PixelPath GroupElement::getPaintObject() const
 //TODO: apply styles and send back
 PixelPath SimpleElement::getPaintObject(std::vector<std::shared_ptr<LayerStyle>>* styles) const {
 	PixelPath result;
-	//Renderer::ElementStyleStrokeDemo demo(2);
 	std::shared_ptr<Renderer::ElementStyle> style;
 	if ((*styles).empty())
 	{
@@ -99,7 +98,7 @@ QJsonObject GraphicElement::toJson() const
 	return result;
 }
 
-void SimpleElement::paint(QPainter* painter, QTransform transform, vector<std::shared_ptr<LayerStyle>> styles)
+void SimpleElement::paint(QPainter* painter, QTransform transform, const vector<std::shared_ptr<LayerStyle>> &styles)
 {
 	painter->save();
 	painter->setTransform(transform);
@@ -109,16 +108,30 @@ void SimpleElement::paint(QPainter* painter, QTransform transform, vector<std::s
 	}
 	else
 	{
-		// TODO:Ó¦ÓÃstyle
 		Renderer::ElementStyleStrokeDemo demo(2);
-		auto [img, mov] = renderer->drawElement(painterPath, demo, 1.0);
+		std::shared_ptr<Renderer::ElementStyle> style;
+		if (styles.empty())
+		{
+			style = std::make_shared<Renderer::ElementStyleStrokeDemo>(2);
+		}
+		else
+		{
+			style = styles[0];
+			/*qDebug() << std::dynamic_pointer_cast<Renderer::StrokePlain>(
+				std::dynamic_pointer_cast<StrokeElementLayerStyle>(style)->materialStyles[0]->materialStroke
+				)->material.color.name();*/
+				/*qDebug() << std::dynamic_pointer_cast<Renderer::StrokeRadialGradient>(
+					std::dynamic_pointer_cast<StrokeElementLayerStyle>(style)->materialStyles[0]->materialStroke
+					)->materialMap[1.0].color;*/
+		}
+		auto [img, mov] = renderer->drawElement(painterPath, *style, 1.0);
 		painter->drawImage(mov, img);
 	}
 
 	painter->restore();
 }
 
-void GroupElement::paint(QPainter* painter, QTransform transform, vector<std::shared_ptr<LayerStyle>> styles)
+void GroupElement::paint(QPainter* painter, QTransform transform, const vector<std::shared_ptr<LayerStyle>> &styles)
 {
 	sourceLayer->paint(painter, transform);
 }
\ No newline at end of file
diff --git a/ArchitectureColoredPainting/src/Editor/GraphicElement.h b/ArchitectureColoredPainting/src/Editor/GraphicElement.h
index 577f7db..ce54ad7 100644
--- a/ArchitectureColoredPainting/src/Editor/GraphicElement.h
+++ b/ArchitectureColoredPainting/src/Editor/GraphicElement.h
@@ -28,7 +28,7 @@ public:
 	virtual QJsonObject toJson() const;
     virtual PixelPath getPaintObject() const = 0;
     virtual PixelPath getPaintObject(std::vector<std::shared_ptr<LayerStyle>>*) const = 0;
-    virtual void paint(QPainter* painter, QTransform transform, std::vector<std::shared_ptr<LayerStyle>> styles) = 0;
+    virtual void paint(QPainter* painter, QTransform transform, const std::vector<std::shared_ptr<LayerStyle>> &styles) = 0;
 };
 
 class SimpleElement : public GraphicElement
@@ -45,7 +45,7 @@ public:
     ~SimpleElement() = default;
     PixelPath getPaintObject() const override;
     PixelPath getPaintObject(std::vector<std::shared_ptr<LayerStyle>>*) const override;
-    void paint(QPainter* painter, QTransform transform, std::vector<std::shared_ptr<LayerStyle>> styles) override;
+    void paint(QPainter* painter, QTransform transform, const std::vector<std::shared_ptr<LayerStyle>> &styles) override;
 };
 
 class GroupElement : public GraphicElement
@@ -60,7 +60,7 @@ public:
     PixelPath getPaintObject() const override;
     PixelPath getPaintObject(std::vector<std::shared_ptr<LayerStyle>>*) const override;
     void setSourceLayer(FolderLayerWrapper* sourceLayer);
-    void paint(QPainter* painter, QTransform transform, std::vector<std::shared_ptr<LayerStyle>> styles) override;
+    void paint(QPainter* painter, QTransform transform, const std::vector<std::shared_ptr<LayerStyle>> &styles) override;
 };
 
 //********************************  BitmapPath  ********************************//