diff --git a/vulkanLearn/src/02.cpp b/vulkanLearn/src/02.cpp
index d18b03b..8a434f7 100644
--- a/vulkanLearn/src/02.cpp
+++ b/vulkanLearn/src/02.cpp
@@ -35,16 +35,6 @@
 #include <03 Command Buffers and Synchronization/07 Creating a semaphore.h>
 #include <03 Command Buffers and Synchronization/08 Creating a fence.h>
 using namespace VulkanCookbook;
-
-Window* pWnd;
-//创建窗口
-WindowParameters createWindow() {
-	WindowParameters   window_parameters{};
-	pWnd = new Window(600, 800, "hello Window");
-	window_parameters.HWnd = pWnd->GetHWnd();
-	window_parameters.HInstance = Window::WindowClass::GetInstance();
-	return window_parameters;
-}
 int main02() {
 	//加载dll
 	LIBRARY_TYPE vulkan_library;
@@ -96,7 +86,13 @@ int main02() {
 	//调用vulkan接口，加载设备函数指针
 	LoadDeviceLevelFunctions(logical_device, desired_extensions);
 
-	WindowParameters&& window_parameters = createWindow();
+	//创建窗口
+	Window* pWnd;
+	WindowParameters   window_parameters{};
+	pWnd = new Window(600, 800, "hello Window");
+	window_parameters.HWnd = pWnd->GetHWnd();
+	window_parameters.HInstance = Window::WindowClass::GetInstance();
+
 	VkSurfaceKHR presentation_surface;
 	//调用实例接口，创建图像显示设备，需要传递窗口,并启用对应扩展
 	CreatePresentationSurface(instance, window_parameters, presentation_surface);