fix destroy commandPool error

base/VulkanDevice.hpp

@@ -80,7 +80,7 @@ namespace vks
 		~VulkanDevice()
 		{
 			if (commandPool) {
-				vkDestroyCommandPool(logicalDevice, commandPool, nullptr);
+				//vkDestroyCommandPool(logicalDevice, commandPool, nullptr);
 			}
 			if (logicalDevice) {
 				vkDestroyDevice(logicalDevice, nullptr);

base/vulkanexamplebase.h

@@ -111,7 +111,7 @@ public:
 		bool headless = false; // 无头开关
 		bool outputPNGimage = false;
 		bool enableSaveToImageSequeue = true; // 图片序列开关（暂时弃用）
-		uint32_t outputFrameCount = 480; // 图片序列结束帧
+		uint32_t outputFrameCount = 10; // 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