diff --git a/inc/hgl/graph/PrimitiveCreater.h b/inc/hgl/graph/PrimitiveCreater.h
index 9c598bed..31aefb74 100644
--- a/inc/hgl/graph/PrimitiveCreater.h
+++ b/inc/hgl/graph/PrimitiveCreater.h
@@ -38,7 +38,7 @@ namespace hgl
 
         protected:
 
-            PrimitiveVertexBuffer *CreatePVB(const AnsiString &,const void *data);                                      ///<创建一个顶点属性数据区
+            PrimitiveVertexBuffer *AcquirePVB(const AnsiString &,const void *data);                                     ///<请求一个顶点属性数据区
 
             void ClearAllData();
 
@@ -57,7 +57,7 @@ namespace hgl
                         if(format!=T::GetVulkanFormat())
                             return(nullptr);
 
-                        PrimitiveVertexBuffer *pvb=this->CreatePVB(name,nullptr);
+                        PrimitiveVertexBuffer *pvb=this->AcquirePVB(name,nullptr);
 
                         if(!pvb)
                             return(nullptr);
diff --git a/inc/hgl/graph/VertexAttribDataAccess.h b/inc/hgl/graph/VertexAttribDataAccess.h
index 9b886107..b6eee615 100644
--- a/inc/hgl/graph/VertexAttribDataAccess.h
+++ b/inc/hgl/graph/VertexAttribDataAccess.h
@@ -38,7 +38,6 @@ namespace hgl
 
                 access      =nullptr;
                 start_access=nullptr;
-
             }
 
             virtual ~VertexAttribDataAccess()=default;
diff --git a/src/SceneGraph/PrimitiveCreater.cpp b/src/SceneGraph/PrimitiveCreater.cpp
index 99740b5f..5768c3c3 100644
--- a/src/SceneGraph/PrimitiveCreater.cpp
+++ b/src/SceneGraph/PrimitiveCreater.cpp
@@ -24,7 +24,7 @@ namespace hgl
             return(true);
         }
 
-        PrimitiveCreater::PrimitiveVertexBuffer *PrimitiveCreater::CreatePVB(const AnsiString &name,const void *data)
+        PrimitiveCreater::PrimitiveVertexBuffer *PrimitiveCreater::AcquirePVB(const AnsiString &name,const void *data)
         {
             if(!vil)return(nullptr);
             if(name.IsEmpty())return(nullptr);
@@ -70,7 +70,7 @@ namespace hgl
             if(vif->stride*vertices_number!=bytes)
                 return(false);
 
-            return CreatePVB(name,data);
+            return AcquirePVB(name,data);
         }
 
         void PrimitiveCreater::ClearAllData()
@@ -107,6 +107,12 @@ namespace hgl
 
             Primitive *primitive=db->CreatePrimitive(prim_name,vertices_number);
 
+            if(ibo)
+            {
+                ibo->Unmap();
+                primitive->Set(ibo);
+            }
+
             const auto *sp=vbo_map.GetDataList();
             for(uint i=0;i<si_count;i++)
             {
@@ -126,12 +132,6 @@ namespace hgl
                 ++sp;
             }
 
-            if(ibo)
-            {
-                ibo->Unmap();
-                primitive->Set(ibo);
-            }
-
             db->Add(primitive);
 
             return primitive;