diff --git a/.gitignore b/.gitignore
index 6864f8a..00eb5a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,4 +44,10 @@ vulkan_asset_pack_gltf.zip
 build/
 
 # output ppm image sequence
-*.ppm
\ No newline at end of file
+*.ppm
+
+# video
+*.mp4
+
+*.mp4
+/data/output
diff --git a/base/vulkanexamplebase.h b/base/vulkanexamplebase.h
index 7019d63..255625b 100644
--- a/base/vulkanexamplebase.h
+++ b/base/vulkanexamplebase.h
@@ -121,7 +121,7 @@ public:
 		bool headless = false; // 无头开关
 
 		bool enableSaveToImageSequeue = false; // 图片序列开关（暂时弃用）
-		uint32_t outputFrameCount = 10; // 图片序列结束帧
+		uint32_t outputFrameCount = 75; // 图片序列结束帧
 		bool takeScreenShot = false; // 截屏（暂时弃用）
 		uint32_t startFrameCount = 1; // 图片序列开始帧
 
diff --git a/data/models/kettle.glb b/data/models/kettle.glb
new file mode 100644
index 0000000..1ac9d73
Binary files /dev/null and b/data/models/kettle.glb differ
diff --git a/data/models/toy.glb b/data/models/toy.glb
new file mode 100644
index 0000000..22377a8
Binary files /dev/null and b/data/models/toy.glb differ
diff --git a/data/output/video/device0/result.mp4 b/data/output/video/device0/result.mp4
index 27d645e..6b042b8 100644
Binary files a/data/output/video/device0/result.mp4 and b/data/output/video/device0/result.mp4 differ
diff --git a/src/render/render.cpp b/src/render/render.cpp
index 7bf4695..2a2c924 100644
--- a/src/render/render.cpp
+++ b/src/render/render.cpp
@@ -1806,7 +1806,13 @@ PlumageRender::PlumageRender()
 	void PlumageRender::outputImageSequence()
 	{
 
-		std::string deviceFilePath = filePath.imageOutputPath + "/device" + std::to_string(selectedPhysicalDeviceIndex);
+		if (savedFrameCounter == settings.startFrameCount)
+		{
+			std::cout << "clean up directory for image sequence generation" << std::endl;
+			removeImageSequence();
+		}
+
+		 filePath.deviceSpecFilePath = filePath.imageOutputPath + "/device" + std::to_string(selectedPhysicalDeviceIndex);
 		
 		if (savedFrameCounter > settings.outputFrameCount)
 		{
@@ -1816,15 +1822,15 @@ PlumageRender::PlumageRender()
 			}
 			signal.imageSequenceOutputComplete = true;
 			std::string fileName = "/%dresult.ppm";
-			filePath.totalImageOutputPath = deviceFilePath + fileName;
+			filePath.totalImageOutputPath = filePath.deviceSpecFilePath + fileName;
 			return;
 		}
-		if (_access(deviceFilePath.c_str(), 0) == -1)
+		if (_access(filePath.deviceSpecFilePath.c_str(), 0) == -1)
 		{
-			std::filesystem::create_directories(deviceFilePath.c_str());
+			std::filesystem::create_directories(filePath.deviceSpecFilePath.c_str());
 		}
-		std::string fileName = "/" + std::to_string(savedFrameCounter) + "result.ppm";
-		filePath.totalImageOutputPath = deviceFilePath + fileName;
+		std::string fileName ="/" + std::to_string(savedFrameCounter) + "result.ppm";
+		filePath.totalImageOutputPath = filePath.deviceSpecFilePath + fileName;
 		//std::cout << outputPath << std::endl;
 		writeImageToFile(filePath.totalImageOutputPath.c_str());
 		savedFrameCounter++;
@@ -1861,6 +1867,38 @@ PlumageRender::PlumageRender()
 			
 		signal.imageSequenceToVideoComplete = true;
 		std::cout << "vidoe codec complete,saved in:" << resultVideoPath << std::endl;
+		std::cout << "star to clean up image sequence" << std::endl;
+		removeImageSequence();
+	}
+
+	void PlumageRender::removeImageSequence()
+	{
+		if (savedFrameCounter != settings.startFrameCount)
+		{
+			if (!signal.imageSequenceToVideoComplete)
+			{
+				return;
+			}
+			
+		}
+		if (std::filesystem::exists(filePath.deviceSpecFilePath))
+		{
+			for (const auto& entry : std::filesystem::directory_iterator(filePath.deviceSpecFilePath))
+			{
+				if (std::filesystem::is_directory(entry.path())) 
+				{
+					std::filesystem::remove_all(entry.path());
+				}
+				else 
+				{
+					std::filesystem::remove(entry.path());
+				}
+			}
+			std::filesystem::remove(filePath.deviceSpecFilePath);
+			std::cout << "clean up complete" << std::endl;
+		}
+		return;
+
 	}
 
 	uint32_t PlumageRender::getMemoryTypeIndex(uint32_t typeBits, VkMemoryPropertyFlags properties)
@@ -1974,6 +2012,7 @@ PlumageRender::PlumageRender()
 			loadScene(filename);
 			setupDescriptors();
 			buildCommandBuffers();
+
 		}
 
 	void PlumageRender::updateUIOverlay()
@@ -2034,6 +2073,9 @@ PlumageRender::PlumageRender()
 						loadScene(stringFilename);
 						setupDescriptors();
 						updateCBs = true;
+						signal.imageSequenceOutputComplete = false;
+						signal.imageSequenceToVideoComplete = false;
+						savedFrameCounter = 1;
 					}
 				}
 				gui->endMenu();
diff --git a/src/render/render.h b/src/render/render.h
index 20dd7f3..41e336d 100644
--- a/src/render/render.h
+++ b/src/render/render.h
@@ -13,6 +13,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <cstdio>
 #include <string.h>
 #include <assert.h>
 #include <vector>
@@ -153,7 +154,7 @@ public:
 		std::string skyboxVertShaderPath = getAssetPath() + "shaders/skybox.vert.spv";
 		std::string skyboxFragShaderPath = getAssetPath() + "shaders/skybox.frag.spv";
 
-		std::string iblTexturesFilePath = getAssetPath() + "textures/hdr/pisa_cube.ktx";
+		std::string iblTexturesFilePath = getAssetPath() + "textures/hdr/gcanyon_cube.ktx";
 		//tonemapping
 		std::string tonemappingVertShaderPath = getAssetPath() + "buster_drone/shaders/glsl/genbrdflut.vert.spv";
 		std::string tonemappingEnableFragShaderPath = getAssetPath() + "buster_drone/shaders/glsl/tonemapping_enable.frag.spv";
@@ -184,6 +185,7 @@ public:
 		std::string imageOutputPath = getAssetPath() + "output/imageSequence";
 		std::string videoOutputPath = getAssetPath() + "output/video";
 		std::string totalImageOutputPath;
+		std::string deviceSpecFilePath;
 
 		// script file path
 		std::string image2videoBatFilePath = getAssetPath() + "script/image2video.bat";
@@ -365,6 +367,7 @@ public:
 	void writeImageToFile(std::string filePath);
 	void outputImageSequence();
 	void imageSequenceToVideo();
+	void removeImageSequence();
 	//void outputScreenShot();
 	uint32_t getMemoryTypeIndex(uint32_t typeBits, VkMemoryPropertyFlags properties);
 	virtual void render();