diff --git a/ArchitectureColoredPainting/src/Editor/LayerStyle.cpp b/ArchitectureColoredPainting/src/Editor/LayerStyle.cpp
index 7240d46..3351b34 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerStyle.cpp
+++ b/ArchitectureColoredPainting/src/Editor/LayerStyle.cpp
@@ -90,9 +90,9 @@ void LayerStyleContainer::computeNewHash()
     }
 }
 
-LayerStyleContainer LayerStyleContainer::fromJson(const QJsonArray& jsonArray)
+LayerStyleContainer LayerStyleContainer::fromJson(bool isClosedElement, const QJsonArray& jsonArray)
 {
-    LayerStyleContainer container;
+    LayerStyleContainer container(isClosedElement);
     for (const auto& style : jsonArray)
     {
         container.useStyle(LayerStyle::fromJson(style.toObject()));
@@ -100,16 +100,26 @@ LayerStyleContainer LayerStyleContainer::fromJson(const QJsonArray& jsonArray)
     return container;
 }
 
-LayerStyleContainer::LayerStyleContainer() : hash(0)
+LayerStyleContainer::LayerStyleContainer(bool isClosedElement) : hash(0)
 {
-    unusedStyles = { {
-        StrokeElementLayerStyle::displayName(),
-        [] { return std::make_unique<StrokeElementLayerStyle>(); }
-    },
+    for (const auto& style : commonStyles)
     {
-        FillElementLayerStyle::displayName(),
-        [] { return std::make_unique<FillElementLayerStyle>(); }
-    } };
+        unusedStyles.insert(style);
+    }
+    if (isClosedElement)
+    {
+	    for (const auto& style : closedOnlyStyles)
+	    {
+            unusedStyles.insert(style);
+	    }
+    }
+    else
+    {
+	    for (const auto& style : unclosedOnlyStyles)
+	    {
+            unusedStyles.insert(style);
+	    }
+    }
 }
 
 std::vector<Renderer::BaseStyle> LayerStyleContainer::toBaseStyles() const
diff --git a/ArchitectureColoredPainting/src/Editor/LayerStyle.h b/ArchitectureColoredPainting/src/Editor/LayerStyle.h
index 3d9b023..9274732 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerStyle.h
+++ b/ArchitectureColoredPainting/src/Editor/LayerStyle.h
@@ -38,42 +38,6 @@ public:
     virtual std::unique_ptr<LayerStyle> clone() const = 0;
 };
 
-/**
- * LayerStyle的容器，在每次数据变更时需要手动调用computeNewHash()方法，否则哈希值不会更新
- */
-class LayerStyleContainer : public Renderer::ElementStyle
-{
-    using DisplayNameWithSupplier = std::map<QString, std::function<std::unique_ptr<LayerStyle>()>>;
-private:
-    DisplayNameWithSupplier unusedStyles;
-    DisplayNameWithSupplier usedStyles;
-    std::map<QString, std::shared_ptr<LayerStyle>> styles;
-    size_t hash;
-public:
-    static LayerStyleContainer fromJson(const QJsonArray& jsonArray);
-
-    LayerStyleContainer();
-    std::vector<Renderer::BaseStyle> toBaseStyles() const override;
-    QJsonArray toJson() const;
-
-    bool empty() const;
-    bool full() const;
-    std::map<QString, std::shared_ptr<LayerStyle>>::iterator begin();
-    std::map<QString, std::shared_ptr<LayerStyle>>::iterator end();
-
-    QStringList unusedStyleNames() const;
-    std::unique_ptr<LayerStyle> makeUnusedStyle(const QString& styleName) const;
-    bool useStyle(const std::shared_ptr<LayerStyle>& style);
-    bool dropStyle(const QString& styleName);
-    float boundingBoxAffectValue() const;
-    size_t getHash() const;
-
-    /**
-     * 需要在每次更改后手动调用
-     */
-    void computeNewHash();
-};
-
 class StrokeElementLayerStyle : public LayerStyle
 {
     using PMaterialStyleStroke = std::shared_ptr<MaterialStyleStroke>;
@@ -116,4 +80,51 @@ public:
     std::unique_ptr<LayerStyle> clone() const override;
 
     PMaterialStyleFill fillMaterialStyle;
+};
+
+/**
+ * LayerStyle的容器，在每次数据变更时需要手动调用computeNewHash()方法，否则哈希值不会更新
+ */
+class LayerStyleContainer : public Renderer::ElementStyle
+{
+    using DisplayNameWithSupplier = std::map<QString, std::function<std::unique_ptr<LayerStyle>()>>;
+private:
+
+    inline const static DisplayNameWithSupplier commonStyles = { {
+        StrokeElementLayerStyle::displayName(),
+        [] { return std::make_unique<StrokeElementLayerStyle>(); }
+    } };
+    inline const static DisplayNameWithSupplier closedOnlyStyles = { {
+        FillElementLayerStyle::displayName(),
+        [] { return std::make_unique<FillElementLayerStyle>(); }
+    } };
+    inline const static DisplayNameWithSupplier unclosedOnlyStyles = { };
+
+    DisplayNameWithSupplier unusedStyles;
+    DisplayNameWithSupplier usedStyles;
+    std::map<QString, std::shared_ptr<LayerStyle>> styles;
+    size_t hash;
+public:
+    static LayerStyleContainer fromJson(bool isClosedElement, const QJsonArray& jsonArray);
+
+    LayerStyleContainer(bool isClosedElement);
+    std::vector<Renderer::BaseStyle> toBaseStyles() const override;
+    QJsonArray toJson() const;
+
+    bool empty() const;
+    bool full() const;
+    std::map<QString, std::shared_ptr<LayerStyle>>::iterator begin();
+    std::map<QString, std::shared_ptr<LayerStyle>>::iterator end();
+
+    QStringList unusedStyleNames() const;
+    std::unique_ptr<LayerStyle> makeUnusedStyle(const QString& styleName) const;
+    bool useStyle(const std::shared_ptr<LayerStyle>& style);
+    bool dropStyle(const QString& styleName);
+    float boundingBoxAffectValue() const;
+    size_t getHash() const;
+
+    /**
+     * 需要在每次更改后手动调用
+     */
+    void computeNewHash();
 };
\ No newline at end of file
diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
index e83ae7e..f131f27 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
@@ -73,14 +73,12 @@ FolderLayerWrapper::FolderLayerWrapper(QJsonObject json, ElementManager *element
     }
 }
 
-LeafLayerWrapper::LeafLayerWrapper(QJsonObject json, ElementManager *elementManager, FolderLayerWrapper*parent)
-    : LayerWrapper(json, parent)
+LeafLayerWrapper::LeafLayerWrapper(QJsonObject json, ElementManager* elementManager, FolderLayerWrapper* parent)
+    : LayerWrapper(json, parent),
+	wrappedElement(elementManager->getElementById(json.value("element").toInt())),
+    styles(LayerStyleContainer::fromJson(wrappedElement->isClosed(), json.value("styles").toArray()))
 {
     qDebug() << json.value("name").toString() << "    " << this;
-    int elementIndex = json.value("element").toInt();
-    wrappedElement = elementManager->getElementById(elementIndex);
-    QJsonArray stylesArray = json.value("styles").toArray();
-    styles = LayerStyleContainer::fromJson(stylesArray);
 }
 
 void LayerWrapper::SimpleProperty::apply(PixelPath&cache)
diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
index b767d35..3b82b86 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
@@ -107,7 +107,6 @@ class LeafLayerWrapper : public LayerWrapper
   public:
 	  ~LeafLayerWrapper() = default;
     void refresh(LayerWrapper* layer = nullptr) override;
-    LeafLayerWrapper() = default;
     LeafLayerWrapper(QJsonObject json, ElementManager *elementManager, FolderLayerWrapper*parent);
     QJsonObject toJson() const override;
 	void paint(QPainter* painter, QTransform transform = QTransform(), bool ignoreSelected = false) override;