diff --git a/base/VulkanDevice.hpp b/base/VulkanDevice.hpp
index e9b45c5..3d9736f 100644
--- a/base/VulkanDevice.hpp
+++ b/base/VulkanDevice.hpp
@@ -225,16 +225,17 @@ namespace vks
 			}
 
 			VkResult result = vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &logicalDevice);
-
+			/*
 			if (result == VK_SUCCESS) {
 				commandPool = createCommandPool(queueFamilyIndices.graphics);
 			}
-
+			*/
 			this->enabledFeatures = enabledFeatures;
 
 			return result;
 		}
 
+
 		/**
 		* Create a buffer on the device
 		*
@@ -313,6 +314,11 @@ namespace vks
 			return cmdPool;
 		}
 
+		void setCommandPool(VkCommandPool commandPool)
+		{
+			this->commandPool = commandPool;
+		}
+
 		/**
 		* Allocate a command buffer from the command pool
 		*
diff --git a/base/vulkanexamplebase.cpp b/base/vulkanexamplebase.cpp
index d152d33..cc28f52 100644
--- a/base/vulkanexamplebase.cpp
+++ b/base/vulkanexamplebase.cpp
@@ -126,7 +126,7 @@ void VulkanExampleBase::prepare()
 	cmdPoolInfo.queueFamilyIndex = queueFamilyIndex;
 	cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
 	VK_CHECK_RESULT(vkCreateCommandPool(device, &cmdPoolInfo, nullptr, &cmdPool));
-
+	vulkanDevice->setCommandPool(cmdPool);
 	/*
 		Render pass
 	*/
@@ -505,24 +505,6 @@ void VulkanExampleBase::initVulkan()
 		queueFamilyIndex creation
 	*/
 
-	const float defaultQueuePriority(0.0f);
-	VkDeviceQueueCreateInfo queueCreateInfo = {};
-	uint32_t queueFamilyCount;
-	vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
-	std::vector<VkQueueFamilyProperties> queueFamilyProperties(queueFamilyCount);
-	vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilyProperties.data());
-	for (uint32_t i = 0; i < static_cast<uint32_t>(queueFamilyProperties.size()); i++) {
-		if (queueFamilyProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
-			queueFamilyIndex = i;
-			queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
-			queueCreateInfo.queueFamilyIndex = i;
-			queueCreateInfo.queueCount = 1;
-			queueCreateInfo.pQueuePriorities = &defaultQueuePriority;
-			break;
-		}
-	}
-
-
 	/*
 		Device creation
 	*/
@@ -538,14 +520,12 @@ void VulkanExampleBase::initVulkan()
 		exit(res);
 	}
 	device = vulkanDevice->logicalDevice;
-
+	
 	/*
 		Graphics queue
 	*/
 	vkGetDeviceQueue(device, vulkanDevice->queueFamilyIndices.graphics, 0, &queue);
-
-	
-
+	queueFamilyIndex = vulkanDevice->queueFamilyIndices.graphics;
 	/*
 		Suitable depth format
 	*/
diff --git a/base/vulkanexamplebase.h b/base/vulkanexamplebase.h
index 7bf0d18..fb7f7fd 100644
--- a/base/vulkanexamplebase.h
+++ b/base/vulkanexamplebase.h
@@ -114,7 +114,7 @@ public:
 
 	VkFormat colorFormat = VK_FORMAT_R8G8B8A8_SRGB;
 	uint32_t queueFamilyIndex;
-	uint32_t renderingFrameIndex;
+	uint32_t renderingFrameIndex = 3;
 
 	struct Signal
 	{
diff --git a/src/render/render.cpp b/src/render/render.cpp
index b763bec..4ca6795 100644
--- a/src/render/render.cpp
+++ b/src/render/render.cpp
@@ -321,14 +321,14 @@ PlumageRender::PlumageRender()
 		}
 
 		std::vector<VkDescriptorPoolSize> poolSizes = {
-			{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, (4 + meshCount) * swapChain.imageCount },
-			{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, imageSamplerCount * swapChain.imageCount }
+			{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, (4 + meshCount) * renderingFrameIndex },
+			{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, imageSamplerCount * renderingFrameIndex }
 		};
 		VkDescriptorPoolCreateInfo descriptorPoolCI{};
 		descriptorPoolCI.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
 		descriptorPoolCI.poolSizeCount = 2;
 		descriptorPoolCI.pPoolSizes = poolSizes.data();
-		descriptorPoolCI.maxSets = (2 + materialCount + meshCount) * swapChain.imageCount;
+		descriptorPoolCI.maxSets = (2 + materialCount + meshCount) * renderingFrameIndex;
 		VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorPool));
 
 		/*
@@ -357,7 +357,7 @@ PlumageRender::PlumageRender()
 				descriptorSetAllocInfo.descriptorPool = descriptorPool;
 				descriptorSetAllocInfo.pSetLayouts = &descriptorSetLayouts.scene;
 				descriptorSetAllocInfo.descriptorSetCount = 1;
-				VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &descriptorSetAllocInfo, &descriptorSets[i].scene));
+				vkAllocateDescriptorSets(device, &descriptorSetAllocInfo, &descriptorSets[i].scene);
 
 				std::array<VkWriteDescriptorSet, 5> writeDescriptorSets{};
 
@@ -399,6 +399,7 @@ PlumageRender::PlumageRender()
 				vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
 			}
 		}
+		
 
 		// Material (samplers)
 		{
@@ -1533,7 +1534,7 @@ PlumageRender::PlumageRender()
 			0.0f);
 	
 	}
-
+	
 	void PlumageRender::windowResized()
 	{
 		buildCommandBuffers();
@@ -1542,6 +1543,7 @@ PlumageRender::PlumageRender()
 		//update UI
 		updateUIOverlay();
 	}
+	
 
 	void PlumageRender::prepare()
 	{
@@ -1986,7 +1988,7 @@ PlumageRender::PlumageRender()
 			return;
 		}
 
-		updateUIOverlay();
+		//updateUIOverlay();
 		//加入写到文件的函数
 		//swapChainImage = swapChain.images[frameIndex];
 		//outputImageSequeue(swapChainImage,filePath.imageSequenceFilePath);
diff --git a/src/render/render.h b/src/render/render.h
index 6b3142f..39e8b35 100644
--- a/src/render/render.h
+++ b/src/render/render.h
@@ -142,8 +142,8 @@ public:
 	struct FilePath
 	{	//model path
 		std::string glTFModelFilePath = getAssetPath() + "models/DamagedHelmet/DamagedHelmet.gltf";
-		//std::string modelVertShaderPath = getAssetPath() + "buster_drone/shaders/glsl/mesh.vert.spv";
-		//std::string modelFragShaderPath = getAssetPath() + "buster_drone/shaders/glsl/mesh.frag.spv";
+		std::string modelVertShaderPath = getAssetPath() + "buster_drone/shaders/glsl/mesh.vert.spv";
+		std::string modelFragShaderPath = getAssetPath() + "buster_drone/shaders/glsl/mesh.frag.spv";
 		
 		//ui
 		std::string uiVertShaderPath = getAssetPath() + "shaders/ui.vert.spv";
@@ -154,7 +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/gcanyon_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";
@@ -342,7 +342,7 @@ public:
 		textures.prefilteredCube.destroy();
 		textures.lutBrdf.destroy();
 		textures.empty.destroy();
-		delete gui;
+		//delete gui;
 	}