diff --git a/example/Vulkan/TextureFormat.cpp b/example/Vulkan/TextureFormat.cpp
index 046cdeea..1e9d2882 100644
--- a/example/Vulkan/TextureFormat.cpp
+++ b/example/Vulkan/TextureFormat.cpp
@@ -1,5 +1,10 @@
-#include<hgl/graph/vulkan/VK.h>
-#include<iostream>
+#include<iostream>
+#include<hgl/graph/vulkan/VK.h>
+#include<hgl/graph/vulkan/VKDevice.h>
+#include<hgl/graph/vulkan/VKInstance.h>
+
+using namespace hgl;
+using namespace hgl::graph;
 
 VK_NAMESPACE_USING;
 
@@ -32,6 +37,11 @@ constexpr char *data_type_name[]
 
 int main(int,char **)
 {
+                    Window *        win             =nullptr;
+            vulkan::Instance *      inst            =nullptr;    
+            vulkan::Device *        device          =nullptr;
+    const   vulkan::PhysicalDevice *physical_device =nullptr;
+
     #ifdef _DEBUG
         if(!CheckStrideBytesByFormat())
         {
@@ -40,6 +50,24 @@ int main(int,char **)
         }
     #endif//_DEBUG
 
+    InitNativeWindowSystem();
+
+    win=CreateRenderWindow(OS_TEXT("VulkanTest"));
+    if(!win)
+        return(false);
+
+    if(!win->Create(128,128))
+        return(false);
+
+    inst=vulkan::CreateInstance(U8_TEXT("VulkanTest"));
+
+    if(!inst)
+        return(false);
+
+    device=win->CreateRenderDevice(inst);
+
+    physical_device=device->GetPhysicalDevice();
+
     uint32_t count;
     const VulkanFormat *vf=GetVulkanFormatList(count);
 
@@ -65,11 +93,26 @@ int main(int,char **)
         if((vf->depth==VulkanDataType::NONE)
          &&(vf->stencil==VulkanDataType::NONE))
             std::cout<<"[Color:"<<data_type_name[size_t(vf->color)]<<"]";
+
+        {
+            const VkFormatProperties fp=physical_device->GetFormatProperties(vf->format);
+
+            if(fp.optimalTilingFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)
+                std::cout<<"[Optimal]";
+            if(fp.linearTilingFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)
+                std::cout<<"[Linear]";
+            if(fp.bufferFeatures&VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)
+                std::cout<<"[Buffer]";
+        }
             
         std::cout<<std::endl;
 
         ++vf;
     }
 
+    win->CloseRenderDevice();
+    delete inst;
+    delete win;
+
     return 0;
 }
\ No newline at end of file
diff --git a/inc/hgl/graph/vulkan/VKFormat.h b/inc/hgl/graph/vulkan/VKFormat.h
index 583e009b..eda179c0 100644
--- a/inc/hgl/graph/vulkan/VKFormat.h
+++ b/inc/hgl/graph/vulkan/VKFormat.h
@@ -278,6 +278,7 @@ VK_NAMESPACE_BEGIN
 enum class TextureCompressType
 {
     NONE=0,
+
     S3TC,
     PVRTC,
     ETC1,
@@ -291,6 +292,7 @@ enum class TextureCompressType
 enum class VulkanDataType
 {
     NONE=0,
+
     UNORM,
     SNORM,
     USCALED,
diff --git a/inc/hgl/graph/vulkan/VKInstance.h b/inc/hgl/graph/vulkan/VKInstance.h
index 38be4468..0a98a5bf 100644
--- a/inc/hgl/graph/vulkan/VKInstance.h
+++ b/inc/hgl/graph/vulkan/VKInstance.h
@@ -4,7 +4,7 @@
 #include<hgl/type/BaseString.h>
 #include<hgl/type/List.h>
 #include<hgl/platform/Window.h>
-#include<hgl/graph/vulkan/VK.h>
+#include<hgl/graph/vulkan/VKPhysicalDevice.h>
 
 VK_NAMESPACE_BEGIN
     class Instance