diff --git a/core/Collider/CircleCollider.cpp b/core/Collider/CircleCollider.cpp
index a616a8a8..1fc16e05 100644
--- a/core/Collider/CircleCollider.cpp
+++ b/core/Collider/CircleCollider.cpp
@@ -2,18 +2,15 @@
 #include "..\e2dnode.h"
 
 e2d::CircleCollider::CircleCollider()
-	: _d2dCircle(nullptr)
 {
 }
 
 e2d::CircleCollider::CircleCollider(Point center, double radius)
-	: _d2dCircle(nullptr)
 {
 	this->setCircle(center, radius);
 }
 
 e2d::CircleCollider::CircleCollider(Node * node)
-	: _d2dCircle(nullptr)
 {
 	double minSide = std::min(node->getRealWidth(), node->getRealHeight());
 	this->setCircle(
@@ -28,22 +25,26 @@ e2d::CircleCollider::CircleCollider(Node * node)
 
 e2d::CircleCollider::~CircleCollider()
 {
-	SafeRelease(_d2dCircle);
 }
 
 void e2d::CircleCollider::setCircle(Point center, double radius)
 {
-	SafeRelease(_d2dCircle);
+	SafeRelease(_geometry);
 
+	ID2D1EllipseGeometry* circle = nullptr;
 	Renderer::getFactory()->CreateEllipseGeometry(
 		D2D1::Ellipse(
 			D2D1::Point2F(
 				float(center.x), 
-				float(center.y)),
+				float(center.y)
+			),
 			float(radius),
-			float(radius)),
-			&_d2dCircle
-		);
+			float(radius)
+		),
+		&circle
+	);
+
+	_geometry = circle;
 }
 
 void e2d::CircleCollider::_resize()
@@ -60,8 +61,3 @@ void e2d::CircleCollider::_resize()
 		);
 	}
 }
-
-ID2D1EllipseGeometry * e2d::CircleCollider::getD2dGeometry() const
-{
-	return _d2dCircle;
-}
diff --git a/core/Collider/Collider.cpp b/core/Collider/Collider.cpp
index 3f1709b0..21b3cfc2 100644
--- a/core/Collider/Collider.cpp
+++ b/core/Collider/Collider.cpp
@@ -7,6 +7,7 @@ e2d::Collider::Collider()
 	, _color(Color::Red, 0.7)
 	, _parentNode(nullptr)
 	, _transformed(nullptr)
+	, _geometry(nullptr)
 	, _enabled(true)
 	, _autoResize(false)
 {
@@ -15,6 +16,7 @@ e2d::Collider::Collider()
 e2d::Collider::~Collider()
 {
 	SafeRelease(_transformed);
+	SafeRelease(_geometry);
 }
 
 e2d::Node * e2d::Collider::getParentNode() const
@@ -83,7 +85,7 @@ e2d::Collider::Relation e2d::Collider::getRelationWith(Collider * pCollider) con
 
 void e2d::Collider::_transform()
 {
-	if (_parentNode && _enabled)
+	if (_parentNode && _enabled && _geometry)
 	{
 		if (_autoResize)
 		{
@@ -95,11 +97,15 @@ void e2d::Collider::_transform()
 
 		// 根据父节点转换几何图形
 		Renderer::getFactory()->CreateTransformedGeometry(
-			getD2dGeometry(),
+			_geometry,
 			_parentNode->_finalMatri,
 			&_transformed
 		);
 
 		ColliderManager::__updateCollider(this);
 	}
+	else
+	{
+		SafeRelease(_transformed);
+	}
 }
diff --git a/core/Collider/EllipseCollider.cpp b/core/Collider/EllipseCollider.cpp
index 8ead8b38..f5cdc100 100644
--- a/core/Collider/EllipseCollider.cpp
+++ b/core/Collider/EllipseCollider.cpp
@@ -2,18 +2,15 @@
 #include "..\e2dnode.h"
 
 e2d::EllipseCollider::EllipseCollider()
-	: _d2dEllipse(nullptr)
 {
 }
 
 e2d::EllipseCollider::EllipseCollider(Point center, double radiusX, double radiusY)
-	: _d2dEllipse(nullptr)
 {
 	this->setEllipse(center, radiusX, radiusY);
 }
 
 e2d::EllipseCollider::EllipseCollider(Node * node)
-	: _d2dEllipse(nullptr)
 {
 	this->setEllipse(
 		Point(
@@ -28,13 +25,13 @@ e2d::EllipseCollider::EllipseCollider(Node * node)
 
 e2d::EllipseCollider::~EllipseCollider()
 {
-	SafeRelease(_d2dEllipse);
 }
 
 void e2d::EllipseCollider::setEllipse(Point center, double radiusX, double radiusY)
 {
-	SafeRelease(_d2dEllipse);
+	SafeRelease(_geometry);
 
+	ID2D1EllipseGeometry* ellipse = nullptr;
 	Renderer::getFactory()->CreateEllipseGeometry(
 		D2D1::Ellipse(
 			D2D1::Point2F(
@@ -42,8 +39,9 @@ void e2d::EllipseCollider::setEllipse(Point center, double radiusX, double radiu
 				float(center.y)),
 			float(radiusX),
 			float(radiusY)),
-		&_d2dEllipse
+		&ellipse
 	);
+	_geometry = ellipse;
 }
 
 void e2d::EllipseCollider::_resize()
@@ -60,8 +58,3 @@ void e2d::EllipseCollider::_resize()
 		);
 	}
 }
-
-ID2D1EllipseGeometry * e2d::EllipseCollider::getD2dGeometry() const
-{
-	return _d2dEllipse;
-}
diff --git a/core/Collider/RectCollider.cpp b/core/Collider/RectCollider.cpp
index 35f2c024..6709f3c4 100644
--- a/core/Collider/RectCollider.cpp
+++ b/core/Collider/RectCollider.cpp
@@ -2,18 +2,15 @@
 #include "..\e2dnode.h"
 
 e2d::RectCollider::RectCollider()
-	: _d2dRectangle(nullptr)
 {
 }
 
 e2d::RectCollider::RectCollider(double x, double y, double width, double height)
-	: _d2dRectangle(nullptr)
 {
 	this->setRect(x, y, x + width, y + height);
 }
 
 e2d::RectCollider::RectCollider(Node * node)
-	: _d2dRectangle(nullptr)
 {
 	this->setRect(0, 0, node->getRealWidth(), node->getRealHeight());
 	this->setAutoResize(true);
@@ -21,21 +18,23 @@ e2d::RectCollider::RectCollider(Node * node)
 
 e2d::RectCollider::~RectCollider()
 {
-	SafeRelease(_d2dRectangle);
 }
 
 void e2d::RectCollider::setRect(double left, double top, double right, double bottom)
 {
-	SafeRelease(_d2dRectangle);
+	SafeRelease(_geometry);
 
+	ID2D1RectangleGeometry* rectangle = nullptr;
 	Renderer::getFactory()->CreateRectangleGeometry(
 		D2D1::RectF(
 			float(left), 
 			float(top), 
 			float(right), 
 			float(bottom)),
-		&_d2dRectangle
+		&rectangle
 	);
+
+	_geometry = rectangle;
 }
 
 void e2d::RectCollider::_resize()
@@ -45,8 +44,3 @@ void e2d::RectCollider::_resize()
 		this->setRect(0, 0, _parentNode->getRealWidth(), _parentNode->getRealHeight());
 	}
 }
-
-ID2D1RectangleGeometry * e2d::RectCollider::getD2dGeometry() const
-{
-	return _d2dRectangle;
-}
diff --git a/core/e2dcollider.h b/core/e2dcollider.h
index 2f7de93d..94605e71 100644
--- a/core/e2dcollider.h
+++ b/core/e2dcollider.h
@@ -186,9 +186,6 @@ public:
 		bool enabled
 	);
 
-	// 获取 ID2D1Geometry 对象
-	virtual ID2D1Geometry * getD2dGeometry() const = 0;
-
 protected:
 	// 转换碰撞体
 	virtual void _transform();
@@ -205,7 +202,8 @@ protected:
 	bool	_autoResize;
 	Color	_color;
 	Node *	_parentNode;
-	ID2D1TransformedGeometry * _transformed;
+	ID2D1Geometry* _geometry;
+	ID2D1TransformedGeometry* _transformed;
 };
 
 
@@ -237,15 +235,9 @@ public:
 		double bottom
 	);
 
-	// 获取 ID2D1Geometry 对象
-	virtual ID2D1RectangleGeometry * getD2dGeometry() const override;
-
 protected:
 	// 重设大小
 	virtual void _resize();
-
-protected:
-	ID2D1RectangleGeometry * _d2dRectangle;
 };
 
 
@@ -273,15 +265,9 @@ public:
 		double radius
 	);
 
-	// 获取 ID2D1Geometry 对象
-	virtual ID2D1EllipseGeometry * getD2dGeometry() const override;
-
 protected:
 	// 重设大小
 	virtual void _resize();
-
-protected:
-	ID2D1EllipseGeometry * _d2dCircle;
 };
 
 
@@ -311,15 +297,9 @@ public:
 		double radiusY
 	);
 
-	// 获取 ID2D1Geometry 对象
-	virtual ID2D1EllipseGeometry * getD2dGeometry() const override;
-
 protected:
 	// 重设大小
 	virtual void _resize();
-
-protected:
-	ID2D1EllipseGeometry * _d2dEllipse;
 };
 
 }
\ No newline at end of file