diff --git a/inc/hgl/graph/manager/TextureManager.h b/inc/hgl/graph/manager/TextureManager.h
index 8f5cab84..50a77d3d 100644
--- a/inc/hgl/graph/manager/TextureManager.h
+++ b/inc/hgl/graph/manager/TextureManager.h
@@ -15,15 +15,15 @@ class TextureManager:public GraphManager
     DeviceQueue *texture_queue;
     TextureCmdBuffer *texture_cmd_buf;
 
-protected:
-
-    DeviceBuffer *CreateTransferSourceBuffer(const VkDeviceSize,const void *data_ptr=nullptr);
-
 public:
 
     TextureManager();
     virtual ~TextureManager();
 
+public:     //Buffer
+
+    DeviceBuffer *CreateTransferSourceBuffer(const VkDeviceSize,const void *data_ptr=nullptr);
+
 public:     //Image
 
     VkImage CreateImage         (VkImageCreateInfo *);
diff --git a/src/SceneGraph/Vulkan/Texture/VKTexture2DArrayLoader.cpp b/src/SceneGraph/Vulkan/Texture/VKTexture2DArrayLoader.cpp
index ee297393..26ea06c9 100644
--- a/src/SceneGraph/Vulkan/Texture/VKTexture2DArrayLoader.cpp
+++ b/src/SceneGraph/Vulkan/Texture/VKTexture2DArrayLoader.cpp
@@ -1,6 +1,8 @@
 #include"VKTextureLoader.h"
 #include<hgl/io/FileInputStream.h>
 #include<hgl/log/LogInfo.h>
+#include<hgl/graph/VKTexture.h>
+#include<hgl/graph/manager/TextureManager.h>
 
 VK_NAMESPACE_BEGIN
 //template<> void VkTextureLoader<Texture2DArray,Texture2DArrayLoader>::OnExtent(VkExtent3D &extent)
@@ -15,10 +17,13 @@ VK_NAMESPACE_BEGIN
 //    return device->CreateTexture2DArray(tci);
 //}
 
-bool LoadTexture2DLayerFromFile(GPUDevice *device,Texture2DArray *ta,const uint32_t layer,const OSString &filename,bool auto_mipmaps)
+bool LoadTexture2DLayerFromFile(TextureManager *tm,Texture2DArray *ta,const uint32_t layer,const OSString &filename,bool auto_mipmaps)
 {
+    if(!tm||filename.IsEmpty())
+        return(false);
+
     //注：依然是Texture2D，则非Texture2DArray。因为这里LOAD的是2D纹理，并不是2DArray纹理
-    VkTextureLoader<Texture2D,Texture2DLoader> loader(device,auto_mipmaps);
+    VkTextureLoader<Texture2D,Texture2DLoader> loader(tm,auto_mipmaps);
 
     if(!loader.Load(filename))
         return(false);
@@ -33,6 +38,6 @@ bool LoadTexture2DLayerFromFile(GPUDevice *device,Texture2DArray *ta,const uint3
     scope.Width=ta->GetWidth();
     scope.Height=ta->GetHeight();
 
-    return device->ChangeTexture2DArray(ta,buf,scope,layer,1);
+    return tm->ChangeTexture2DArray(ta,buf,scope,layer,1);
 }
 VK_NAMESPACE_END
diff --git a/src/SceneGraph/Vulkan/Texture/VKTexture2DLoader.cpp b/src/SceneGraph/Vulkan/Texture/VKTexture2DLoader.cpp
index f0a6211d..a01e5ea2 100644
--- a/src/SceneGraph/Vulkan/Texture/VKTexture2DLoader.cpp
+++ b/src/SceneGraph/Vulkan/Texture/VKTexture2DLoader.cpp
@@ -12,12 +12,15 @@ template<> void VkTextureLoader<Texture2D,Texture2DLoader>::OnExtent(VkExtent3D
 
 template<> Texture2D *VkTextureLoader<Texture2D,Texture2DLoader>::OnCreateTexture(TextureCreateInfo *tci)
 {
-    return device->CreateTexture2D(tci);
+    return tex_manager->CreateTexture2D(tci);
 }
 
-Texture2D *CreateTexture2DFromFile(GPUDevice *device,const OSString &filename,bool auto_mipmaps)
+Texture2D *CreateTexture2DFromFile(TextureManager *tm,const OSString &filename,bool auto_mipmaps)
 {
-    VkTextureLoader<Texture2D,Texture2DLoader> loader(device,auto_mipmaps);
+    if(!tm||filename.IsEmpty())
+        return(nullptr);
+
+    VkTextureLoader<Texture2D,Texture2DLoader> loader(tm,auto_mipmaps);
 
     if(!loader.Load(filename))
         return(nullptr);
diff --git a/src/SceneGraph/Vulkan/Texture/VKTextureCubeLoader.cpp b/src/SceneGraph/Vulkan/Texture/VKTextureCubeLoader.cpp
index 452e9766..bcdd4ca6 100644
--- a/src/SceneGraph/Vulkan/Texture/VKTextureCubeLoader.cpp
+++ b/src/SceneGraph/Vulkan/Texture/VKTextureCubeLoader.cpp
@@ -12,12 +12,15 @@ template<> void VkTextureLoader<TextureCube,TextureCubeLoader>::OnExtent(VkExten
 
 template<> TextureCube *VkTextureLoader<TextureCube,TextureCubeLoader>::OnCreateTexture(TextureCreateInfo *tci)
 {
-    return device->CreateTextureCube(tci);
+    return tex_manager->CreateTextureCube(tci);
 }
 
-TextureCube *CreateTextureCubeFromFile(GPUDevice *device,const OSString &filename,bool auto_mipmaps)
+TextureCube *CreateTextureCubeFromFile(TextureManager *tm,const OSString &filename,bool auto_mipmaps)
 {
-    VkTextureLoader<TextureCube,TextureCubeLoader> loader(device,auto_mipmaps);
+    if(!tm||filename.IsEmpty())
+        return(nullptr);
+
+    VkTextureLoader<TextureCube,TextureCubeLoader> loader(tm,auto_mipmaps);
 
     if(!loader.Load(filename))
         return(nullptr);
diff --git a/src/SceneGraph/Vulkan/Texture/VKTextureLoader.h b/src/SceneGraph/Vulkan/Texture/VKTextureLoader.h
index be268e31..9b47963f 100644
--- a/src/SceneGraph/Vulkan/Texture/VKTextureLoader.h
+++ b/src/SceneGraph/Vulkan/Texture/VKTextureLoader.h
@@ -1,8 +1,8 @@
 #pragma once
-#include<hgl/graph/VK.h>
-#include<hgl/graph/VKDevice.h>
 #include<hgl/graph/VKBuffer.h>
+#include<hgl/graph/VKTexture.h>
 #include<hgl/graph/TextureLoader.h>
+#include<hgl/graph/manager/TextureManager.h>
 #include<hgl/graph/VKTextureCreateInfo.h>
 
 VK_NAMESPACE_BEGIN
@@ -10,7 +10,7 @@ template<typename T,typename TL> class VkTextureLoader:public TL
 {
 protected:
 
-    GPUDevice *device;
+    TextureManager *tex_manager;
     DeviceBuffer *buf;
     T *tex;
 
@@ -18,9 +18,9 @@ protected:
 
 public:
 
-    VkTextureLoader(GPUDevice *dev,const bool am)
+    VkTextureLoader(TextureManager *tm,const bool am)
     {
-        device=dev;
+        tex_manager=tm;
         buf=nullptr;
         tex=nullptr;
         auto_mipmaps=am;
@@ -39,7 +39,7 @@ public:
         if(!CheckVulkanFormat(tex_format))
             return(nullptr);
 
-        buf=device->CreateBuffer(VK_BUFFER_USAGE_TRANSFER_SRC_BIT,total_bytes);
+        buf=tex_manager->CreateTransferSourceBuffer(total_bytes);
 
         if(!buf)
             return(nullptr);
@@ -75,7 +75,7 @@ public:
 
         if(auto_mipmaps&&tex_file_header.mipmaps<=1)
         {
-            if(device->CheckFormatSupport(tex_format,VK_FORMAT_FEATURE_BLIT_DST_BIT))
+            if(tex_manager->CheckFormatSupport(tex_format,VK_FORMAT_FEATURE_BLIT_DST_BIT))
             {
                 tci->usage|=VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
                 tci->SetAutoMipmaps();