diff --git a/example/Vulkan/Geometry2D.cpp b/example/Vulkan/Geometry2D.cpp
index cbd1b3dc..ac5c96af 100644
--- a/example/Vulkan/Geometry2D.cpp
+++ b/example/Vulkan/Geometry2D.cpp
@@ -2,7 +2,7 @@
 // 该范例有两个作用：
 //  一、测试绘制2D几何体
 //  二、试验动态合并材质渲染机制
-//  三、试验SceneDB/SceneGraph
+//  三、试验Database/SceneGraph
 
 #include"VulkanAppFramework.h"
 #include<hgl/filesystem/FileSystem.h>
diff --git a/example/Vulkan/LoadStaticMesh.cpp b/example/Vulkan/LoadStaticMesh.cpp
index d3f1143f..db8c2c2e 100644
--- a/example/Vulkan/LoadStaticMesh.cpp
+++ b/example/Vulkan/LoadStaticMesh.cpp
@@ -23,7 +23,7 @@ using namespace hgl::graph;
 constexpr uint32_t SCREEN_WIDTH=1280;
 constexpr uint32_t SCREEN_HEIGHT=720;
 
-vulkan::Renderable *CreateMeshRenderable(SceneDB *db,vulkan::Material *mtl,const MeshData *mesh)
+vulkan::Renderable *CreateMeshRenderable(Database *db,vulkan::Material *mtl,const MeshData *mesh)
 {
     const vulkan::VertexShaderModule *vsm=mtl->GetVertexShaderModule();
 
diff --git a/example/Vulkan/VulkanAppFramework.h b/example/Vulkan/VulkanAppFramework.h
index bbced199..f89a93dc 100644
--- a/example/Vulkan/VulkanAppFramework.h
+++ b/example/Vulkan/VulkanAppFramework.h
@@ -63,7 +63,7 @@ protected:
 
 protected:
 
-            SceneDB *           db                              =nullptr;
+            Database *           db                              =nullptr;
 
             bool                key_status[kbRangeSize];
 
@@ -127,7 +127,7 @@ public:
         render_complete_semaphore   =device->CreateSem();
 
         shader_manage=device->CreateShaderModuleManage();
-        db=new SceneDB(device);
+        db=new Database(device);
 
         InitCommandBuffer();
 
diff --git a/inc/hgl/graph/InlineGeometry.h b/inc/hgl/graph/InlineGeometry.h
index cce79211..109fd68f 100644
--- a/inc/hgl/graph/InlineGeometry.h
+++ b/inc/hgl/graph/InlineGeometry.h
@@ -9,7 +9,7 @@ namespace hgl
 {
     namespace graph
     {
-        class SceneDB;
+        class Database;
 
         /**
          * 矩形创建信息(扇形/三角形条)
@@ -19,12 +19,12 @@ namespace hgl
             RectScope2f scope;
         };//struct RectangleCreateInfo
 
-        vulkan::Renderable *CreateRenderableRectangle(SceneDB *db,vulkan::Material *mtl,const RectangleCreateInfo *rci);
+        vulkan::Renderable *CreateRenderableRectangle(Database *db,vulkan::Material *mtl,const RectangleCreateInfo *rci);
 
         /**
          * 创建延迟渲染用全屏平面
          */
-        vulkan::Renderable *CreateRenderableGBufferComposition(SceneDB *db,vulkan::Material *mtl);
+        vulkan::Renderable *CreateRenderableGBufferComposition(Database *db,vulkan::Material *mtl);
 
         /**
          * 圆角矩形创建信息(扇形/线圈)
@@ -35,7 +35,7 @@ namespace hgl
             uint32_t round_per;     ///<圆角精度
         };//struct RoundRectangleCreateInfo:public RectangleCreateInfo
 
-        vulkan::Renderable *CreateRenderableRoundRectangle(SceneDB *db,vulkan::Material *mtl,const RoundRectangleCreateInfo *rci);
+        vulkan::Renderable *CreateRenderableRoundRectangle(Database *db,vulkan::Material *mtl,const RoundRectangleCreateInfo *rci);
 
         /**
          * 圆形创建信息
@@ -50,7 +50,7 @@ namespace hgl
         /**
          * 创建一个2D圆形(扇形/线圈)
          */
-        vulkan::Renderable *CreateRenderableCircle(SceneDB *db,vulkan::Material *mtl,const CircleCreateInfo *rci);
+        vulkan::Renderable *CreateRenderableCircle(Database *db,vulkan::Material *mtl,const CircleCreateInfo *rci);
 
         /**
          * 平面网格创建信息
@@ -69,7 +69,7 @@ namespace hgl
         /**
          * 创建一个平面网格(线条)
          */
-        vulkan::Renderable *CreateRenderablePlaneGrid(SceneDB *db,vulkan::Material *mtl,const PlaneGridCreateInfo *pgci);
+        vulkan::Renderable *CreateRenderablePlaneGrid(Database *db,vulkan::Material *mtl,const PlaneGridCreateInfo *pgci);
 
         struct PlaneCreateInfo
         {
@@ -86,7 +86,7 @@ namespace hgl
         /**
          * 创建一个平面(三角形)
          */
-        vulkan::Renderable *CreateRenderablePlane(SceneDB *db,vulkan::Material *mtl,const PlaneCreateInfo *pci);
+        vulkan::Renderable *CreateRenderablePlane(Database *db,vulkan::Material *mtl,const PlaneCreateInfo *pci);
 
         struct CubeCreateInfo
         {
@@ -126,17 +126,17 @@ namespace hgl
         /**
          * 创建一个立方体(三角形)
          */
-        vulkan::Renderable *CreateRenderableCube(SceneDB *db,vulkan::Material *mtl,const CubeCreateInfo *cci);
+        vulkan::Renderable *CreateRenderableCube(Database *db,vulkan::Material *mtl,const CubeCreateInfo *cci);
         
         /**
          *  创建一个绑定盒(线条)
          */
-        vulkan::Renderable *CreateRenderableBoundingBox(SceneDB *db,vulkan::Material *mtl,const CubeCreateInfo *cci);
+        vulkan::Renderable *CreateRenderableBoundingBox(Database *db,vulkan::Material *mtl,const CubeCreateInfo *cci);
         
         /**
          * 创建一个球心坐标为0,0,0，半径为1的球体(三角形)
          */
-        vulkan::Renderable *CreateRenderableSphere(SceneDB *db,vulkan::Material *mtl,const uint numberSlices);
+        vulkan::Renderable *CreateRenderableSphere(Database *db,vulkan::Material *mtl,const uint numberSlices);
 
         struct DomeCreateInfo
         {
@@ -147,7 +147,7 @@ namespace hgl
         /**
          * 创建一个穹顶(三角形)
          */
-        vulkan::Renderable *CreateRenderableDome(SceneDB *db,vulkan::Material *mtl, const DomeCreateInfo *);
+        vulkan::Renderable *CreateRenderableDome(Database *db,vulkan::Material *mtl, const DomeCreateInfo *);
 
         struct TorusCreateInfo
         {
@@ -161,7 +161,7 @@ namespace hgl
         /**
          * 创建一个圆环(三角形)
          */
-        vulkan::Renderable *CreateRenderableTorus(SceneDB *db,vulkan::Material *mtl,const TorusCreateInfo *tci);
+        vulkan::Renderable *CreateRenderableTorus(Database *db,vulkan::Material *mtl,const TorusCreateInfo *tci);
 
         struct CylinderCreateInfo
         {
@@ -173,7 +173,7 @@ namespace hgl
         /**
          * 创建一个圆柱(三角形)
          */
-        vulkan::Renderable *CreateRenderableCylinder(SceneDB *db,vulkan::Material *mtl,const CylinderCreateInfo *cci);
+        vulkan::Renderable *CreateRenderableCylinder(Database *db,vulkan::Material *mtl,const CylinderCreateInfo *cci);
 
         struct ConeCreateInfo
         {
@@ -186,7 +186,7 @@ namespace hgl
         /**
          * 创建一个圆锥(三角形)
          */
-        vulkan::Renderable *CreateRenderableCone(SceneDB *db,vulkan::Material *mtl,const ConeCreateInfo *cci);
+        vulkan::Renderable *CreateRenderableCone(Database *db,vulkan::Material *mtl,const ConeCreateInfo *cci);
         
         struct AxisCreateInfo
         {
@@ -226,7 +226,7 @@ namespace hgl
         /**
          * 创建一个坐标线(线条)
          */
-        vulkan::Renderable *CreateRenderableAxis(SceneDB *db,vulkan::Material *mtl,const AxisCreateInfo *aci);
+        vulkan::Renderable *CreateRenderableAxis(Database *db,vulkan::Material *mtl,const AxisCreateInfo *aci);
     }//namespace graph
 };//namespace hgl
 #endif//HGL_GRAPH_INLINE_GEOMETRY_INCLUDE
diff --git a/inc/hgl/graph/RenderableCreater.h b/inc/hgl/graph/RenderableCreater.h
index c9a45056..7464915a 100644
--- a/inc/hgl/graph/RenderableCreater.h
+++ b/inc/hgl/graph/RenderableCreater.h
@@ -32,7 +32,7 @@ namespace hgl
         {
         protected:
 
-            vulkan::SceneDB *db;
+            vulkan::Database *db;
             vulkan::Material *mtl;
 
             const vulkan::VertexShaderModule *vsm;
@@ -50,7 +50,7 @@ namespace hgl
 
         public:
 
-            RenderableCreater(vulkan::SceneDB *sdb,vulkan::Material *m);
+            RenderableCreater(vulkan::Database *sdb,vulkan::Material *m);
             virtual ~RenderableCreater()=default;
 
             virtual bool                    Init(const uint32 count);                                                   ///<初始化，参数为顶点数量
diff --git a/inc/hgl/graph/vulkan/VKDatabase.h b/inc/hgl/graph/vulkan/VKDatabase.h
index d1680c17..d41db2e4 100644
--- a/inc/hgl/graph/vulkan/VKDatabase.h
+++ b/inc/hgl/graph/vulkan/VKDatabase.h
@@ -27,9 +27,9 @@ using TextureID             =int;
 class VertexAttribData;
 
 /**
- * 场景DB，用于管理场景内所需的所有数据
+ * 资源管理，用于管理场景内所需的所有数据
  */
-class SceneDB
+class Database
 {
     Device *device;
 
@@ -45,8 +45,8 @@ class SceneDB
 
 public:
 
-    SceneDB(Device *dev):device(dev){}
-    virtual ~SceneDB()=default;
+    Database(Device *dev):device(dev){}
+    virtual ~Database()=default;
 
 public: //Add
 
@@ -102,6 +102,6 @@ public: //Get
     Sampler *           GetSampler              (const SamplerID            &id){return rm_samplers.Get(id);}
     Texture *           GetTexture              (const TextureID            &id){return rm_textures.Get(id);}
     RenderableInstance *GetRenderableInstance   (const RenderableInstanceID &id){return rm_renderable_instances.Get(id);}
-};//class SceneDB
+};//class Database
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_DATABASE_INCLUDE
diff --git a/src/RenderDevice/Vulkan/VKDatabase.cpp b/src/RenderDevice/Vulkan/VKDatabase.cpp
index 96afc1e9..e81c4584 100644
--- a/src/RenderDevice/Vulkan/VKDatabase.cpp
+++ b/src/RenderDevice/Vulkan/VKDatabase.cpp
@@ -3,7 +3,7 @@
 #include<hgl/graph/RenderableInstance.h>
 
 VK_NAMESPACE_BEGIN
-VAB *SceneDB::CreateVAB(VkFormat format,uint32_t count,const void *data,VkSharingMode sharing_mode)
+VAB *Database::CreateVAB(VkFormat format,uint32_t count,const void *data,VkSharingMode sharing_mode)
 {
     VAB *vb=device->CreateVAB(format,count,data,sharing_mode);
 
@@ -15,7 +15,7 @@ VAB *SceneDB::CreateVAB(VkFormat format,uint32_t count,const void *data,VkSharin
     return vb;
 }
 
-#define SCENE_DB_CREATE_BUFFER(name)    Buffer *SceneDB::Create##name(VkDeviceSize size,void *data,VkSharingMode sharing_mode) \
+#define SCENE_DB_CREATE_BUFFER(name)    Buffer *Database::Create##name(VkDeviceSize size,void *data,VkSharingMode sharing_mode) \
                                         {   \
                                             Buffer *buf=device->Create##name(size,data,sharing_mode);   \
                                             \
@@ -24,7 +24,7 @@ VAB *SceneDB::CreateVAB(VkFormat format,uint32_t count,const void *data,VkSharin
                                             return(buf);    \
                                         }   \
                                         \
-                                        Buffer *SceneDB::Create##name(VkDeviceSize size,VkSharingMode sharing_mode)    \
+                                        Buffer *Database::Create##name(VkDeviceSize size,VkSharingMode sharing_mode)    \
                                         {   \
                                             Buffer *buf=device->Create##name(size,sharing_mode);    \
                                             \
@@ -39,7 +39,7 @@ VAB *SceneDB::CreateVAB(VkFormat format,uint32_t count,const void *data,VkSharin
 
 #undef SCENE_DB_CREATE_BUFFER
 
-IndexBuffer *SceneDB::CreateIBO(VkIndexType index_type,uint32_t count,const void *data,VkSharingMode sharing_mode)
+IndexBuffer *Database::CreateIBO(VkIndexType index_type,uint32_t count,const void *data,VkSharingMode sharing_mode)
 {
     IndexBuffer *buf=device->CreateIBO(index_type,count,data,sharing_mode);
 
@@ -48,7 +48,7 @@ IndexBuffer *SceneDB::CreateIBO(VkIndexType index_type,uint32_t count,const void
     return(buf);
 }
         
-MaterialInstance *SceneDB::CreateMaterialInstance(Material *mtl)
+MaterialInstance *Database::CreateMaterialInstance(Material *mtl)
 {
     if(!mtl)return(nullptr);
 
@@ -60,7 +60,7 @@ MaterialInstance *SceneDB::CreateMaterialInstance(Material *mtl)
     return mi;
 }
 
-Renderable *SceneDB::CreateRenderable(Material *mtl,const uint32_t vertex_count)
+Renderable *Database::CreateRenderable(Material *mtl,const uint32_t vertex_count)
 {
     if(!mtl)return(nullptr);
 
@@ -72,7 +72,7 @@ Renderable *SceneDB::CreateRenderable(Material *mtl,const uint32_t vertex_count)
     return ro;
 }
 
-TextRenderable *SceneDB::CreateTextRenderable(Material *mtl)
+TextRenderable *Database::CreateTextRenderable(Material *mtl)
 {
     if(!mtl)return(nullptr);
             
@@ -84,7 +84,7 @@ TextRenderable *SceneDB::CreateTextRenderable(Material *mtl)
     return tr;
 }
 
-RenderableInstance *SceneDB::CreateRenderableInstance(Pipeline *p,MaterialInstance *mi,Renderable *r)
+RenderableInstance *Database::CreateRenderableInstance(Pipeline *p,MaterialInstance *mi,Renderable *r)
 {
     if(!p||!mi||!r)
         return(nullptr);
@@ -97,7 +97,7 @@ RenderableInstance *SceneDB::CreateRenderableInstance(Pipeline *p,MaterialInstan
     return ri;
 }
         
-Sampler *SceneDB::CreateSampler(VkSamplerCreateInfo *sci)
+Sampler *Database::CreateSampler(VkSamplerCreateInfo *sci)
 {
     Sampler *s=device->CreateSampler(sci);
 
diff --git a/src/SceneGraph/InlineGeometry.cpp b/src/SceneGraph/InlineGeometry.cpp
index 4683b700..c634593d 100644
--- a/src/SceneGraph/InlineGeometry.cpp
+++ b/src/SceneGraph/InlineGeometry.cpp
@@ -12,7 +12,7 @@ namespace hgl
 {
     namespace graph
     {
-        vulkan::Renderable *CreateRenderableRectangle(vulkan::SceneDB *db,vulkan::Material *mtl,const RectangleCreateInfo *rci)
+        vulkan::Renderable *CreateRenderableRectangle(vulkan::Database *db,vulkan::Material *mtl,const RectangleCreateInfo *rci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -29,7 +29,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderableGBufferComposition(vulkan::SceneDB *db,vulkan::Material *mtl)
+        vulkan::Renderable *CreateRenderableGBufferComposition(vulkan::Database *db,vulkan::Material *mtl)
         {
             RectangleCreateInfo rci;
 
@@ -38,7 +38,7 @@ namespace hgl
             return CreateRenderableRectangle(db,mtl,&rci);
         }
 
-        vulkan::Renderable *CreateRenderableRoundRectangle(vulkan::SceneDB *db,vulkan::Material *mtl,const RoundRectangleCreateInfo *rci)
+        vulkan::Renderable *CreateRenderableRoundRectangle(vulkan::Database *db,vulkan::Material *mtl,const RoundRectangleCreateInfo *rci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -112,7 +112,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderableCircle(vulkan::SceneDB *db,vulkan::Material *mtl,const CircleCreateInfo *cci)
+        vulkan::Renderable *CreateRenderableCircle(vulkan::Database *db,vulkan::Material *mtl,const CircleCreateInfo *cci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -137,7 +137,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderablePlaneGrid(vulkan::SceneDB *db,vulkan::Material *mtl,const PlaneGridCreateInfo *pgci)
+        vulkan::Renderable *CreateRenderablePlaneGrid(vulkan::Database *db,vulkan::Material *mtl,const PlaneGridCreateInfo *pgci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -184,7 +184,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderablePlane(vulkan::SceneDB *db,vulkan::Material *mtl,const PlaneCreateInfo *pci)
+        vulkan::Renderable *CreateRenderablePlane(vulkan::Database *db,vulkan::Material *mtl,const PlaneCreateInfo *pci)
         {
             const   float       xy_vertices [] = { -0.5f,-0.5f,0.0f,  +0.5f,-0.5f,0.0f,    +0.5f,+0.5f,0.0f,    -0.5f,+0.5f,0.0f   };
                     float       xy_tex_coord[] = {  0.0f, 0.0f,        1.0f, 0.0f,          1.0f, 1.0f,          0.0f, 1.0f        };
@@ -225,7 +225,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderableCube(vulkan::SceneDB *db,vulkan::Material *mtl,const CubeCreateInfo *cci)
+        vulkan::Renderable *CreateRenderableCube(vulkan::Database *db,vulkan::Material *mtl,const CubeCreateInfo *cci)
         {                              // Points of a cube.
             /*     4            5 */    const float points[]={  -0.5f, -0.5f, -0.5f,    -0.5f, -0.5f, +0.5f,    +0.5f, -0.5f, +0.5f,    +0.5f, -0.5f, -0.5f,    -0.5f, +0.5f, -0.5f,    -0.5f, +0.5f, +0.5f,
             /*     *------------* */                            +0.5f, +0.5f, +0.5f,    +0.5f, +0.5f, -0.5f,    -0.5f, -0.5f, -0.5f,    -0.5f, +0.5f, -0.5f,    +0.5f, +0.5f, -0.5f,    +0.5f, -0.5f, -0.5f,
@@ -396,7 +396,7 @@ namespace hgl
         * @param numberSlices 切片数
         * @return 可渲染数据
         */
-        vulkan::Renderable *CreateRenderableSphere(vulkan::SceneDB *db,vulkan::Material *mtl,const uint numberSlices)
+        vulkan::Renderable *CreateRenderableSphere(vulkan::Database *db,vulkan::Material *mtl,const uint numberSlices)
         {
             RenderableCreater rc(db,mtl);
 
@@ -472,7 +472,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderableDome(vulkan::SceneDB *db,vulkan::Material *mtl,const DomeCreateInfo *dci)
+        vulkan::Renderable *CreateRenderableDome(vulkan::Database *db,vulkan::Material *mtl,const DomeCreateInfo *dci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -591,7 +591,7 @@ namespace hgl
             }
         }//namespace
 
-        vulkan::Renderable *CreateRenderableTorus(vulkan::SceneDB *db,vulkan::Material *mtl,const TorusCreateInfo *tci)
+        vulkan::Renderable *CreateRenderableTorus(vulkan::Database *db,vulkan::Material *mtl,const TorusCreateInfo *tci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -747,7 +747,7 @@ namespace hgl
             }
         }//namespace
 
-        vulkan::Renderable *CreateRenderableCylinder(vulkan::SceneDB *db,vulkan::Material *mtl,const CylinderCreateInfo *cci)
+        vulkan::Renderable *CreateRenderableCylinder(vulkan::Database *db,vulkan::Material *mtl,const CylinderCreateInfo *cci)
         {
             uint numberIndices = cci->numberSlices * 3 * 2 + cci->numberSlices * 6;
 
@@ -966,7 +966,7 @@ namespace hgl
             }
         }//namespace
 
-        vulkan::Renderable *CreateRenderableCone(vulkan::SceneDB *db,vulkan::Material *mtl,const ConeCreateInfo *cci)
+        vulkan::Renderable *CreateRenderableCone(vulkan::Database *db,vulkan::Material *mtl,const ConeCreateInfo *cci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -1093,7 +1093,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderableAxis(vulkan::SceneDB *db,vulkan::Material *mtl,const AxisCreateInfo *aci)
+        vulkan::Renderable *CreateRenderableAxis(vulkan::Database *db,vulkan::Material *mtl,const AxisCreateInfo *aci)
         {
             RenderableCreater rc(db,mtl);
 
@@ -1118,7 +1118,7 @@ namespace hgl
             return rc.Finish();
         }
 
-        vulkan::Renderable *CreateRenderableBoundingBox(vulkan::SceneDB *db,vulkan::Material *mtl,const CubeCreateInfo *cci)
+        vulkan::Renderable *CreateRenderableBoundingBox(vulkan::Database *db,vulkan::Material *mtl,const CubeCreateInfo *cci)
         {
             // Points of a cube.
             /*     4            5 */    const float points[]={  -0.5,-0.5, 0.5,     0.5,-0.5,0.5,   0.5,-0.5,-0.5,  -0.5,-0.5,-0.5,
diff --git a/src/SceneGraph/RenderableCreater.cpp b/src/SceneGraph/RenderableCreater.cpp
index dee895b6..8cdbb1db 100644
--- a/src/SceneGraph/RenderableCreater.cpp
+++ b/src/SceneGraph/RenderableCreater.cpp
@@ -5,7 +5,7 @@ namespace hgl
 {
     namespace graph
     {
-        RenderableCreater::RenderableCreater(vulkan::SceneDB *sdb,vulkan::Material *m)
+        RenderableCreater::RenderableCreater(vulkan::Database *sdb,vulkan::Material *m)
         {
             db              =sdb;
             mtl             =m;