diff --git a/core/base/Canvas.cpp b/core/base/Canvas.cpp
index 13141bcc..8380002a 100644
--- a/core/base/Canvas.cpp
+++ b/core/base/Canvas.cpp
@@ -445,6 +445,12 @@ namespace easy2d
 		cache_expired_ = true;
 	}
 
+	void Canvas::Clear()
+	{
+		render_target_->Clear();
+		cache_expired_ = true;
+	}
+
 	spImage Canvas::ExportToImage() const
 	{
 		auto image = new Image(GetBitmap());
diff --git a/core/base/Canvas.h b/core/base/Canvas.h
index 9ab67f99..9af38b9a 100644
--- a/core/base/Canvas.h
+++ b/core/base/Canvas.h
@@ -153,6 +153,9 @@ namespace easy2d
 		// 路径填充
 		void FillPath();
 
+		// 清空画布
+		void Clear();
+
 		// 设置填充颜色
 		void SetFillColor(
 			const Color& color