diff --git a/example/Vulkan/TGATexture.cpp b/example/Vulkan/TGATexture.cpp
index fcb21eb0..42f2c8a8 100644
--- a/example/Vulkan/TGATexture.cpp
+++ b/example/Vulkan/TGATexture.cpp
@@ -1,6 +1,7 @@
 #include<hgl/graph/vulkan/VK.h>
 #include<hgl/graph/vulkan/VKDevice.h>
 #include<hgl/filesystem/FileSystem.h>
+#include<hgl/LogInfo.h>
 
 VK_NAMESPACE_BEGIN
 namespace
@@ -54,6 +55,25 @@ namespace
             src+=3;
         }
     }
+
+    void SwapRow(uint8 *data,uint line_size,uint height)
+    {
+        uint8 *top=data;
+        uint8 *bottom=data+(height-1)*line_size;
+        uint8 *tmp=new uint8[line_size];
+
+        while(top<bottom)
+        {
+            memcpy(tmp,bottom,line_size);
+            memcpy(bottom,top,line_size);
+            memcpy(top,tmp,line_size);
+
+            top+=line_size;
+            bottom-=line_size;
+        }
+
+        delete[] tmp;
+    }
 }//namespace
 
 Texture2D *LoadTGATexture(const OSString &filename,Device *device)
@@ -63,70 +83,61 @@ Texture2D *LoadTGATexture(const OSString &filename,Device *device)
 
     if(file_length<=0)
     {
-        std::cerr<<"[ERROR] open file<"<<filename.c_str()<<"> failed."<<std::endl;
+        LOG_ERROR(OS_TEXT("[ERROR] open file<")+filename+OS_TEXT("> failed."));
         return(nullptr);
     }
 
     TGAHeader *header=(TGAHeader *)data;
+    TGAImageDesc image_desc;
+    uint8 *pixel_data=data+sizeof(TGAHeader);
+
+    image_desc.image_desc=header->image_desc;
 
     VkFormat format;
-    uint pixels_size=0;
+    uint line_size;
 
     if(header->image_type==2)
     {
         if(header->bit==24)
         {
-            RGB8to565(data+sizeof(TGAHeader),header->width*header->height);
+            RGB8to565(pixel_data,header->width*header->height);
 
-            format=FMT_RGB565;
-            pixels_size=header->width*header->height*2;
+            format=FMT_BGR565;
+            line_size=header->width*2;
         }
         else if(header->bit==32)
         {
             format=FMT_RGBA8UN;
-            pixels_size=header->width*header->height*4;
+            line_size=header->width*4;
         }
     }
     else if(header->image_type==3&&header->bit==8)
     {
         format=FMT_R8UN;
-        pixels_size=header->width*header->height;
+        line_size=header->width;
     }
     else
     {
-        std::cerr<<"[ERROR] Image format error,filename: "<<filename.c_str()<<std::endl;
+        LOG_ERROR(OS_TEXT("[ERROR] Image format error,filename: ")+filename);
         delete[] data;
         return(nullptr);
     }
 
-    Texture2D *tex=device->CreateTexture2D(format,data+sizeof(TGAHeader),header->width,header->height,pixels_size);
+    if(image_desc.direction==0)
+        SwapRow(pixel_data,line_size,header->height);
+
+    Texture2D *tex=device->CreateTexture2D(format,pixel_data,header->width,header->height,line_size*header->height);
 
     if(tex)
     {
-        std::cout<<"load image file<"<<filename.c_str()<<">:<"<<header->width<<"x"<<header->height<<"> to texture ok"<<std::endl;
+        LOG_INFO(OS_TEXT("load image file<")+filename+OS_TEXT(">:<")+OSString(header->width)+OS_TEXT("x")+OSString(header->height)+OS_TEXT("> to texture ok"));
     }
     else
     {
-        std::cout<<"load image file<"<<filename.c_str()<<">:<"<<header->width<<"x"<<header->height<<"> to texture failed."<<std::endl;
+        LOG_ERROR(OS_TEXT("load image file<")+filename+OS_TEXT(">:<")+OSString(header->width)+OS_TEXT("x")+OSString(header->height)+OS_TEXT("> to texture failed."));
     }
 
     delete[] data;
     return(tex);
 }
-
-//GLuint CreateSamplerObject(GLint min_filter,GLint mag_filter,GLint clamp,const GLfloat *border_color)
-//{
-//    GLuint sampler_object;
-
-//    glGenSamplers(1,&sampler_object);
-
-//    glSamplerParameteri(sampler_object,GL_TEXTURE_MIN_FILTER,min_filter);
-//    glSamplerParameteri(sampler_object,GL_TEXTURE_MAG_FILTER,mag_filter);
-//    glSamplerParameteri(sampler_object,GL_TEXTURE_WRAP_S,clamp);
-//    glSamplerParameteri(sampler_object,GL_TEXTURE_WRAP_T,clamp);
-
-//    glSamplerParameterfv(sampler_object,GL_TEXTURE_BORDER_COLOR,border_color);
-
-//    return(sampler_object);
-//}
 VK_NAMESPACE_END
\ No newline at end of file
diff --git a/example/Vulkan/texture_rect.cpp b/example/Vulkan/texture_rect.cpp
index 43831224..413cc521 100644
--- a/example/Vulkan/texture_rect.cpp
+++ b/example/Vulkan/texture_rect.cpp
@@ -3,6 +3,7 @@
 
 #include"VulkanAppFramework.h"
 #include<hgl/graph/vulkan/VKTexture.h>
+#include<hgl/graph/vulkan/VKSampler.h>
 #include<hgl/math/Math.h>
 
 using namespace hgl;
@@ -24,10 +25,18 @@ constexpr uint32_t VERTEX_COUNT=4;
 
 constexpr float vertex_data[VERTEX_COUNT][2]=
 {
-    {SCREEN_WIDTH*0.25,  SCREEN_HEIGHT*0.25},
-    {SCREEN_WIDTH*0.75,  SCREEN_HEIGHT*0.25},
-    {SCREEN_WIDTH*0.25,  SCREEN_HEIGHT*0.75},
-    {SCREEN_WIDTH*0.75,  SCREEN_HEIGHT*0.75}
+    {0,             0},
+    {SCREEN_WIDTH,  0},
+    {0,             SCREEN_HEIGHT},
+    {SCREEN_WIDTH,  SCREEN_HEIGHT}
+};
+
+constexpr float tex_coord_data[VERTEX_COUNT][2]=
+{
+    {0,0},
+    {1,0},
+    {0,1},
+    {1,1}
 };
 
 constexpr uint32_t INDEX_COUNT=6;
@@ -46,6 +55,7 @@ private:
 
     vulkan::Material *          material            =nullptr;
     vulkan::Texture2D *         texture             =nullptr;
+    vulkan::Sampler *           sampler             =nullptr;
     vulkan::DescriptorSets *    desciptor_sets      =nullptr;
     vulkan::Renderable *        render_obj          =nullptr;
     vulkan::Buffer *            ubo_mvp             =nullptr;
@@ -54,6 +64,7 @@ private:
     vulkan::CommandBuffer **    cmd_buf             =nullptr;
 
     vulkan::VertexBuffer *      vertex_buffer       =nullptr;
+    vulkan::VertexBuffer *      tex_coord_buffer    =nullptr;
     vulkan::IndexBuffer *       index_buffer        =nullptr;
 
 public:
@@ -61,12 +72,14 @@ public:
     ~TestApp()
     {
         SAFE_CLEAR(index_buffer);
+        SAFE_CLEAR(tex_coord_buffer);
         SAFE_CLEAR(vertex_buffer);
         SAFE_CLEAR_OBJECT_ARRAY(cmd_buf,swap_chain_count);
         SAFE_CLEAR(pipeline);
         SAFE_CLEAR(ubo_mvp);
         SAFE_CLEAR(render_obj);
         SAFE_CLEAR(desciptor_sets);
+        SAFE_CLEAR(sampler);
         SAFE_CLEAR(texture);
         SAFE_CLEAR(material);
     }
@@ -75,8 +88,8 @@ private:
 
     bool InitMaterial()
     {
-        material=shader_manage->CreateMaterial(OS_TEXT("OnlyPosition.vert.spv"),
-                                               OS_TEXT("FlatColor.frag.spv"));
+        material=shader_manage->CreateMaterial(OS_TEXT("FlatTexture.vert.spv"),
+                                               OS_TEXT("FlatTexture.frag.spv"));
         if(!material)
             return(false);
 
@@ -84,6 +97,28 @@ private:
         desciptor_sets=material->CreateDescriptorSets();
 
         texture=vulkan::LoadTGATexture(OS_TEXT("lena.tga"),device);
+
+        VkSamplerCreateInfo sampler_create_info{};
+
+        sampler_create_info.magFilter   = VK_FILTER_LINEAR;
+        sampler_create_info.minFilter   = VK_FILTER_LINEAR;
+        sampler_create_info.mipmapMode  = VK_SAMPLER_MIPMAP_MODE_LINEAR;
+        sampler_create_info.addressModeU= VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+        sampler_create_info.addressModeV= VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+        sampler_create_info.addressModeW= VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+        sampler_create_info.mipLodBias  = 0.0f;
+        sampler_create_info.compareOp   = VK_COMPARE_OP_NEVER;
+        sampler_create_info.minLod      = 0.0f;
+        sampler_create_info.maxLod      = 1.0f;
+
+        sampler=device->CreateSampler(&sampler_create_info);
+
+        VkDescriptorImageInfo image_info;
+        image_info.imageView    =*texture;
+        image_info.imageLayout  =*texture;
+        image_info.sampler      =*sampler;
+
+        desciptor_sets->UpdateSampler(material->GetCombindImageSampler("texture_lena"),&image_info);
         return(true);
     }
 
@@ -104,9 +139,11 @@ private:
     void InitVBO()
     {
         vertex_buffer   =device->CreateVBO(FMT_RG32F,VERTEX_COUNT,vertex_data);
+        tex_coord_buffer=device->CreateVBO(FMT_RG32F,VERTEX_COUNT,tex_coord_data);
         index_buffer    =device->CreateIBO16(INDEX_COUNT,index_data);
 
         render_obj->Set("Vertex",vertex_buffer);
+        render_obj->Set("TexCoord",tex_coord_buffer);
         render_obj->Set(index_buffer);
     }
 
diff --git a/inc/hgl/graph/vulkan/VKCommandBuffer.h b/inc/hgl/graph/vulkan/VKCommandBuffer.h
index 27a30ed0..7a4a42d3 100644
--- a/inc/hgl/graph/vulkan/VKCommandBuffer.h
+++ b/inc/hgl/graph/vulkan/VKCommandBuffer.h
@@ -67,7 +67,7 @@ public:
 
     bool BeginRenderPass(RenderPass *rp,Framebuffer *fb);
     bool Bind(Pipeline *p);
-    bool Bind(DescriptorSets *,int first=0,int count=0);
+    bool Bind(DescriptorSets *);
     bool Bind(Renderable *);
     void EndRenderPass();
     bool End();
diff --git a/inc/hgl/graph/vulkan/VKDescriptorSets.h b/inc/hgl/graph/vulkan/VKDescriptorSets.h
index 605d5a7f..33afa5f2 100644
--- a/inc/hgl/graph/vulkan/VKDescriptorSets.h
+++ b/inc/hgl/graph/vulkan/VKDescriptorSets.h
@@ -10,7 +10,7 @@ class DescriptorSets
 {
     Device *device;
     int count;
-    VkDescriptorSet *desc_set_list;
+    VkDescriptorSet desc_set;
     const Map<uint32_t,int> *index_by_binding;
 
     VkPipelineLayout pipeline_layout;
@@ -19,31 +19,27 @@ private:
 
     friend class DescriptorSetLayoutCreater;
 
-    DescriptorSets(Device *dev,const int c,VkPipelineLayout pl,VkDescriptorSet *desc_set,const Map<uint32_t,int> *bi):index_by_binding(bi)
+    DescriptorSets(Device *dev,const int c,VkPipelineLayout pl,VkDescriptorSet ds,const Map<uint32_t,int> *bi):index_by_binding(bi)
     {
         device=dev;
         count=c;
-        desc_set_list=desc_set;
+        desc_set=ds;
         pipeline_layout=pl;
     }
 
 public:
 
-    ~DescriptorSets();
+    ~DescriptorSets()=default;
 
     const uint32_t                  GetCount            ()const{return count;}
-    const VkDescriptorSet *         GetDescriptorSets   ()const{return desc_set_list;}
-          VkDescriptorSet           GetDescriptorSet    (const uint32_t binding)const;
+    const VkDescriptorSet *         GetDescriptorSets   ()const{return &desc_set;}
     const VkPipelineLayout          GetPipelineLayout   ()const{return pipeline_layout;}
 
-    bool UpdateUBO(const uint32_t binding,const VkDescriptorBufferInfo *buf_info);
-    //bool UpdateUBO(const UTF8String &name,const VkDescriptorBufferInfo *buf_info)
-    //{
-    //    if(name.IsEmpty()||!buf_info)
-    //        return(false);
+    //未来统合所有的write descriptor sets,这里的update改为只是添加记录
+    //最终bind到cmd时一次性写入。
 
-    //    return UpdateUBO(GetUBOBinding(name),buf_info);
-    //}
+    bool UpdateUBO(const uint32_t binding,const VkDescriptorBufferInfo *);
+    bool UpdateSampler(const uint32_t binding,const VkDescriptorImageInfo *);
 };//class DescriptorSets
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_DESCRIPTOR_SETS_LAYOUT_INCLUDE
diff --git a/inc/hgl/graph/vulkan/VKTexture.h b/inc/hgl/graph/vulkan/VKTexture.h
index 3e9847db..270a3140 100644
--- a/inc/hgl/graph/vulkan/VKTexture.h
+++ b/inc/hgl/graph/vulkan/VKTexture.h
@@ -2,9 +2,11 @@
 #define HGL_GRAPH_VULKAN_TEXTURE_INCLUDE
 
 #include<hgl/graph/vulkan/VK.h>
+#include<hgl/graph/vulkan/VKImageView.h>
 VK_NAMESPACE_BEGIN
 struct TextureData
 {
+    VkDeviceMemory memory;
     VkImage image;
     VkImageLayout image_layout;
     ImageView *image_view;
@@ -23,7 +25,7 @@ public:
 
     operator VkImage        (){return data?data->image:nullptr;}
     operator VkImageLayout  (){return data?data->image_layout:VK_IMAGE_LAYOUT_UNDEFINED;}
-    operator ImageView *    (){return data?data->image_view:nullptr;}
+    operator VkImageView    (){return data?data->image_view->operator VkImageView():nullptr;}
 
     const uint32    GetMipLevels()const{return data?data->mip_levels:0;}
     const bool      IsLinear    ()const{return data?data->linear:false;}
diff --git a/res/shader/FlatTexture.frag b/res/shader/FlatTexture.frag
new file mode 100644
index 00000000..18735663
--- /dev/null
+++ b/res/shader/FlatTexture.frag
@@ -0,0 +1,11 @@
+#version 450 core
+
+layout(binding = 2) uniform sampler2D texture_lena;
+
+layout(location = 0) in vec2 FragmentTexCoord;
+layout(location = 0) out vec4 FragColor;
+
+void main()
+{
+    FragColor=texture(texture_lena,FragmentTexCoord);
+}
diff --git a/res/shader/FlatTexture.vert b/res/shader/FlatTexture.vert
new file mode 100644
index 00000000..38c51763
--- /dev/null
+++ b/res/shader/FlatTexture.vert
@@ -0,0 +1,18 @@
+#version 450 core
+
+layout(location = 0) in vec2 Vertex;
+layout(location = 1) in vec2 TexCoord;
+
+layout(binding = 0) uniform WorldConfig
+{
+    mat4 mvp;
+} world;
+
+layout(location = 0) out vec2 FragmentTexCoord;
+
+void main()
+{
+    FragmentTexCoord=TexCoord;
+
+    gl_Position=vec4(Vertex,0.0,1.0)*world.mvp;
+}
diff --git a/res/shader/shader_compile.sh b/res/shader/shader_compile.sh
index f7a4814a..68909989 100755
--- a/res/shader/shader_compile.sh
+++ b/res/shader/shader_compile.sh
@@ -1,3 +1,6 @@
 glslangValidator -V -o FlatColor.vert.spv FlatColor.vert
 glslangValidator -V -o OnlyPosition.vert.spv OnlyPosition.vert
 glslangValidator -V -o FlatColor.frag.spv FlatColor.frag
+
+glslangValidator -V -o FlatTexture.vert.spv FlatTexture.vert
+glslangValidator -V -o FlatTexture.frag.spv FlatTexture.frag
diff --git a/src/RenderDevice/Vulkan/VKCommandBuffer.cpp b/src/RenderDevice/Vulkan/VKCommandBuffer.cpp
index 99b26368..6c451344 100644
--- a/src/RenderDevice/Vulkan/VKCommandBuffer.cpp
+++ b/src/RenderDevice/Vulkan/VKCommandBuffer.cpp
@@ -80,19 +80,12 @@ bool CommandBuffer::Bind(Pipeline *p)
     return(true);
 }
 
-bool CommandBuffer::Bind(DescriptorSets *dsl,int first,int count)
+bool CommandBuffer::Bind(DescriptorSets *dsl)
 {
     if(!dsl)
         return(false);
 
-    if(first<0)
-        first=0;
-
-    if(count==0||first+count>dsl->GetCount())
-        count=dsl->GetCount()-first;
-
-    if(count>0)
-        vkCmdBindDescriptorSets(cmd_buf,VK_PIPELINE_BIND_POINT_GRAPHICS,dsl->GetPipelineLayout(),first,count,dsl->GetDescriptorSets(),0,nullptr);
+    vkCmdBindDescriptorSets(cmd_buf,VK_PIPELINE_BIND_POINT_GRAPHICS,dsl->GetPipelineLayout(),0,1,dsl->GetDescriptorSets(),0,nullptr);
 
     return(true);
 }
diff --git a/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.cpp b/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.cpp
index df6ce4fc..4cdac091 100644
--- a/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.cpp
+++ b/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.cpp
@@ -3,31 +3,13 @@
 #include<hgl/graph/vulkan/VKDevice.h>
 
 VK_NAMESPACE_BEGIN
-namespace
-{
-    void DestroyDescriptorSetLayout(VkDevice device,const int count,VkDescriptorSetLayout *dsl_list)
-    {
-        if(count<=0)
-            return;
-
-        for(int i=0;i<count;i++)
-        {
-            vkDestroyDescriptorSetLayout(device,*dsl_list,nullptr);
-            ++dsl_list;
-        }
-    }
-}//namespace
-
 DescriptorSetLayoutCreater::~DescriptorSetLayoutCreater()
 {
     if(pipeline_layout)
         vkDestroyPipelineLayout(*device,pipeline_layout,nullptr);
 
-    if(dsl_list)
-    {
-        DestroyDescriptorSetLayout(*device,layout_binding_list.GetCount(),dsl_list);
-        delete[] dsl_list;
-    }
+    if(dsl)
+        vkDestroyDescriptorSetLayout(*device,dsl,nullptr);
 }
 
 void DescriptorSetLayoutCreater::Bind(const uint32_t binding,VkDescriptorType desc_type,VkShaderStageFlagBits stageFlags)
@@ -46,6 +28,8 @@ void DescriptorSetLayoutCreater::Bind(const uint32_t binding,VkDescriptorType de
 
 void DescriptorSetLayoutCreater::Bind(const uint32_t *binding,const uint32_t count,VkDescriptorType desc_type,VkShaderStageFlagBits stageFlags)
 {
+    if(!binding||count<=0)return;
+
     const uint old_count=layout_binding_list.GetCount();
 
     layout_binding_list.SetCount(old_count+count);
@@ -80,30 +64,29 @@ bool DescriptorSetLayoutCreater::CreatePipelineLayout()
     descriptor_layout.bindingCount = count;
     descriptor_layout.pBindings = layout_binding_list.GetData();
 
-    dsl_list=new VkDescriptorSetLayout[count];
+    if(dsl)
+        vkDestroyDescriptorSetLayout(*device,dsl,nullptr);
 
-    if(vkCreateDescriptorSetLayout(*device,&descriptor_layout,nullptr,dsl_list)==VK_SUCCESS)
-    {
-        VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {};
-        pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
-        pPipelineLayoutCreateInfo.pNext = nullptr;
-        pPipelineLayoutCreateInfo.pushConstantRangeCount = 0;
-        pPipelineLayoutCreateInfo.pPushConstantRanges = nullptr;
-        pPipelineLayoutCreateInfo.setLayoutCount = count;
-        pPipelineLayoutCreateInfo.pSetLayouts = dsl_list;
+    if(vkCreateDescriptorSetLayout(*device,&descriptor_layout,nullptr,&dsl)!=VK_SUCCESS)
+        return(false);
+    
+    VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {};
+    pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+    pPipelineLayoutCreateInfo.pNext = nullptr;
+    pPipelineLayoutCreateInfo.pushConstantRangeCount = 0;
+    pPipelineLayoutCreateInfo.pPushConstantRanges = nullptr;
+    pPipelineLayoutCreateInfo.setLayoutCount = 1;
+    pPipelineLayoutCreateInfo.pSetLayouts = &dsl;
 
-        if(vkCreatePipelineLayout(*device,&pPipelineLayoutCreateInfo,nullptr,&pipeline_layout)==VK_SUCCESS)
-            return(true);
-    }
+    if(vkCreatePipelineLayout(*device,&pPipelineLayoutCreateInfo,nullptr,&pipeline_layout)!=VK_SUCCESS)
+        return(false);
 
-    delete[] dsl_list;
-    dsl_list=nullptr;
-    return(false);
+    return(true);
 }
 
 DescriptorSets *DescriptorSetLayoutCreater::Create()
 {
-    if(!pipeline_layout||!dsl_list)
+    if(!pipeline_layout||!dsl)
         return(nullptr);
 
     const int count=layout_binding_list.GetCount();
@@ -115,16 +98,13 @@ DescriptorSets *DescriptorSetLayoutCreater::Create()
     alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
     alloc_info.pNext = nullptr;
     alloc_info.descriptorPool = device->GetDescriptorPool();
-    alloc_info.descriptorSetCount = count;
-    alloc_info.pSetLayouts = dsl_list;
+    alloc_info.descriptorSetCount = 1;
+    alloc_info.pSetLayouts = &dsl;
 
-    VkDescriptorSet *desc_set=new VkDescriptorSet[count];
+    VkDescriptorSet desc_set;
 
-    if(vkAllocateDescriptorSets(*device,&alloc_info,desc_set)!=VK_SUCCESS)
-    {
-        delete[] desc_set;
+    if(vkAllocateDescriptorSets(*device,&alloc_info,&desc_set)!=VK_SUCCESS)
         return(nullptr);
-    }
 
     return(new DescriptorSets(device,count,pipeline_layout,desc_set,&index_by_binding));
 }
diff --git a/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.h b/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.h
index af472986..67a61e25 100644
--- a/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.h
+++ b/src/RenderDevice/Vulkan/VKDescriptorSetLayoutCreater.h
@@ -13,7 +13,7 @@ class DescriptorSetLayoutCreater
     Device *device;
 
     List<VkDescriptorSetLayoutBinding> layout_binding_list;
-    VkDescriptorSetLayout *dsl_list=nullptr;
+    VkDescriptorSetLayout dsl=nullptr;
     Map<uint32_t,int> index_by_binding;
 
     VkPipelineLayout pipeline_layout=nullptr;
@@ -25,11 +25,14 @@ public:
 
     void Bind(const uint32_t binding,VkDescriptorType,VkShaderStageFlagBits);
     void Bind(const uint32_t *binding,const uint32_t count,VkDescriptorType type,VkShaderStageFlagBits stage);
-    void Bind(const ShaderResourceList &srl,VkDescriptorType type,VkShaderStageFlagBits stage){Bind(srl.binding_list.GetData(),srl.binding_list.GetCount(),type,stage);}
+    void Bind(const ShaderResourceList &srl,VkDescriptorType type,VkShaderStageFlagBits stage){if(srl.binding_list.GetCount()>0)Bind(srl.binding_list.GetData(),srl.binding_list.GetCount(),type,stage);}
     void Bind(const ShaderResource &sr,VkShaderStageFlagBits stage)
     {
         for(uint32_t i=VK_DESCRIPTOR_TYPE_BEGIN_RANGE;i<=VK_DESCRIPTOR_TYPE_END_RANGE;i++)
-            Bind(sr[i],(VkDescriptorType)i,stage);
+        {
+            if(sr[i].binding_list.GetCount()>0)
+                Bind(sr[i],(VkDescriptorType)i,stage);
+        }
     }
 
 //以下代码不再需要，使用一个void Bind(const ShaderResource &sr,VkShaderStageFlagBits stage)即可全部替代，而且更方便，但以此为提示
diff --git a/src/RenderDevice/Vulkan/VKDescriptorSets.cpp b/src/RenderDevice/Vulkan/VKDescriptorSets.cpp
index 6c0dff51..ddd330b2 100644
--- a/src/RenderDevice/Vulkan/VKDescriptorSets.cpp
+++ b/src/RenderDevice/Vulkan/VKDescriptorSets.cpp
@@ -2,32 +2,12 @@
 #include<hgl/graph/vulkan/VKDevice.h>
 
 VK_NAMESPACE_BEGIN
-VkDescriptorSet DescriptorSets::GetDescriptorSet(const uint32_t binding)const
-{
-    int index;
-
-    if(!index_by_binding->Get(binding,index))
-        return(nullptr);
-
-    return desc_set_list[index];
-}
-
-DescriptorSets::~DescriptorSets()
-{
-    //if(count>0)
-    //    vkFreeDescriptorSets(device->GetDevice(),device->GetDescriptorPool(),count,desc_set_list);
-
-    delete[] desc_set_list;
-}
-
 bool DescriptorSets::UpdateUBO(const uint32_t binding,const VkDescriptorBufferInfo *buf_info)
 {
-    VkDescriptorSet set=GetDescriptorSet(binding);
-
     VkWriteDescriptorSet writeDescriptorSet = {};
 
     writeDescriptorSet.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
-    writeDescriptorSet.dstSet = set;
+    writeDescriptorSet.dstSet = desc_set;
     writeDescriptorSet.descriptorCount = 1;
     writeDescriptorSet.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
     writeDescriptorSet.pBufferInfo = buf_info;
@@ -36,4 +16,19 @@ bool DescriptorSets::UpdateUBO(const uint32_t binding,const VkDescriptorBufferIn
     vkUpdateDescriptorSets(*device,1,&writeDescriptorSet,0,nullptr);
     return(true);
 }
+
+bool DescriptorSets::UpdateSampler(const uint32_t binding,const VkDescriptorImageInfo *image_info)
+{
+    VkWriteDescriptorSet writeDescriptorSet = {};
+
+    writeDescriptorSet.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+    writeDescriptorSet.dstSet = desc_set;
+    writeDescriptorSet.descriptorCount = 1;
+    writeDescriptorSet.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+    writeDescriptorSet.pImageInfo = image_info;
+    writeDescriptorSet.dstBinding = binding;
+
+    vkUpdateDescriptorSets(*device,1,&writeDescriptorSet,0,nullptr);
+    return(true);
+}
 VK_NAMESPACE_END
diff --git a/src/RenderDevice/Vulkan/VKDeviceCreater.cpp b/src/RenderDevice/Vulkan/VKDeviceCreater.cpp
index 2b14425f..70fd753b 100644
--- a/src/RenderDevice/Vulkan/VKDeviceCreater.cpp
+++ b/src/RenderDevice/Vulkan/VKDeviceCreater.cpp
@@ -242,21 +242,18 @@ namespace
 
     VkDescriptorPool CreateDescriptorPool(VkDevice device,int sets_count)
     {
-        constexpr size_t DESC_POOL_COUNT=1;
+        VkDescriptorPoolSize pool_size[2];
 
-        VkDescriptorPoolSize pool_size[DESC_POOL_COUNT];
-
-        for(size_t i=0;i<DESC_POOL_COUNT;i++)
-        {
-            pool_size[i].type=VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
-            pool_size[i].descriptorCount=1;
-        }
+        pool_size[0].type=VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+        pool_size[0].descriptorCount=1024;
+        pool_size[1].type=VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+        pool_size[1].descriptorCount=1024;
 
         VkDescriptorPoolCreateInfo dp_create_info={};
         dp_create_info.sType=VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
         dp_create_info.pNext=nullptr;
         dp_create_info.maxSets=sets_count;
-        dp_create_info.poolSizeCount=DESC_POOL_COUNT;
+        dp_create_info.poolSizeCount=2;
         dp_create_info.pPoolSizes=pool_size;
 
         VkDescriptorPool desc_pool;
@@ -327,7 +324,7 @@ Device *CreateRenderDevice(VkInstance inst,const PhysicalDevice *physical_device
     if(!CreateSwapchinAndImageView(attr))
         return(nullptr);
 
-    attr->desc_pool=CreateDescriptorPool(attr->device,1);
+    attr->desc_pool=CreateDescriptorPool(attr->device,1024);
 
     if(!attr->desc_pool)
         return(nullptr);
diff --git a/src/RenderDevice/Vulkan/VKDeviceTexture.cpp b/src/RenderDevice/Vulkan/VKDeviceTexture.cpp
index 3cd1d29f..ab3b0387 100644
--- a/src/RenderDevice/Vulkan/VKDeviceTexture.cpp
+++ b/src/RenderDevice/Vulkan/VKDeviceTexture.cpp
@@ -47,6 +47,7 @@ Texture2D *Device::CreateTexture2D(const VkFormat video_format,void *data,uint32
 
     TextureData *tex_data=new TextureData();
 
+    tex_data->memory=nullptr;
     tex_data->image=nullptr;
     tex_data->image_view=nullptr;
 
@@ -76,8 +77,6 @@ Texture2D *Device::CreateTexture2D(const VkFormat video_format,void *data,uint32
 
         tex_data->image_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
 
-        VkDeviceMemory device_memory;
-
         VkImageCreateInfo imageCreateInfo{};
         imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
         imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
@@ -101,8 +100,8 @@ Texture2D *Device::CreateTexture2D(const VkFormat video_format,void *data,uint32
         vkGetImageMemoryRequirements(attr->device, tex_data->image, &memReqs);
         memAllocInfo.allocationSize = memReqs.size;
         attr->CheckMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,&memAllocInfo.memoryTypeIndex);
-        VK_CHECK_RESULT(vkAllocateMemory(attr->device, &memAllocInfo, nullptr, &device_memory))
-        VK_CHECK_RESULT(vkBindImageMemory(attr->device, tex_data->image, device_memory, 0))
+        VK_CHECK_RESULT(vkAllocateMemory(attr->device, &memAllocInfo, nullptr, &tex_data->memory))
+        VK_CHECK_RESULT(vkBindImageMemory(attr->device, tex_data->image, tex_data->memory, 0))
 
         CommandBuffer *cmd_buf=CreateCommandBuffer();
         
@@ -188,12 +187,14 @@ Sampler *Device::CreateSampler(VkSamplerCreateInfo *sci)
 
     VkSampler sampler;
 
-    if(attr->physical_device->features.samplerAnisotropy) 
-    {
-        sci->maxAnisotropy = attr->physical_device->properties.limits.maxSamplerAnisotropy;
-        sci->anisotropyEnable = VK_TRUE;
-    } 
-    else 
+    sci->sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+
+    //if(attr->physical_device->features.samplerAnisotropy)         //不知道为什么不准，先全部禁用吧
+    //{
+    //    sci->maxAnisotropy = attr->physical_device->properties.limits.maxSamplerAnisotropy;
+    //    sci->anisotropyEnable = VK_TRUE;
+    //} 
+    //else 
     {
         sci->maxAnisotropy = 1.0;
         sci->anisotropyEnable = VK_FALSE;
diff --git a/src/RenderDevice/Vulkan/VKShaderModule.cpp b/src/RenderDevice/Vulkan/VKShaderModule.cpp
index de2f03e0..1e5bdcc5 100644
--- a/src/RenderDevice/Vulkan/VKShaderModule.cpp
+++ b/src/RenderDevice/Vulkan/VKShaderModule.cpp
@@ -28,7 +28,7 @@ ShaderModule::ShaderModule(VkDevice dev,int id,VkPipelineShaderStageCreateInfo *
 
     EnumShaderResource(sp,resource[VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER],sp->GetUBO());
     EnumShaderResource(sp,resource[VK_DESCRIPTOR_TYPE_STORAGE_BUFFER],sp->GetSSBO());
-    EnumShaderResource(sp,resource[VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE],sp->GetSampler());
+    EnumShaderResource(sp,resource[VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER],sp->GetSampler());
 }
 
 ShaderModule::~ShaderModule()
diff --git a/src/RenderDevice/Vulkan/VKTexture.cpp b/src/RenderDevice/Vulkan/VKTexture.cpp
index b0722856..c9d937c6 100644
--- a/src/RenderDevice/Vulkan/VKTexture.cpp
+++ b/src/RenderDevice/Vulkan/VKTexture.cpp
@@ -10,5 +10,8 @@ Texture::~Texture()
 
     if(data->image)
         vkDestroyImage(device,data->image,nullptr);
+
+    if(data->memory)
+        vkFreeMemory(device,data->memory,nullptr);
 }
 VK_NAMESPACE_END