diff --git a/example/Vulkan/VKPipeline.cpp b/example/Vulkan/VKPipeline.cpp
index 2271864a..ffdf7a42 100644
--- a/example/Vulkan/VKPipeline.cpp
+++ b/example/Vulkan/VKPipeline.cpp
@@ -24,7 +24,7 @@ PipelineCreater::PipelineCreater(Device *dev,RenderPass *rp)
             rp=dev->GetRenderPass();
 
         pipelineInfo.renderPass = *rp;
-        pipelineInfo.subpass = 0;
+        pipelineInfo.subpass = 0;                   //subpass由于还不知道有什么用，所以暂时写0，待知道功用后，需改进
     }
 
     {
diff --git a/example/Vulkan/main.cpp b/example/Vulkan/main.cpp
index ed334fc8..f342cc56 100644
--- a/example/Vulkan/main.cpp
+++ b/example/Vulkan/main.cpp
@@ -173,13 +173,7 @@ int main(int,char **)
 
     vulkan::Semaphore *sem=device->CreateSem();
 
-
     vulkan::VertexInput *vi=CreateVertexBuffer(device);
-    const int image_count=device->GetSwapChainImageCount();
-    vulkan::Framebuffer **fb=new vulkan::Framebuffer *[image_count];
-
-    vulkan::ImageView *color_iv=device->GetColorImageView(0);
-    vulkan::ImageView *depth_iv=device->GetDepthImageView();
 
     vulkan::PipelineCreater pc(device);