diff --git a/inc/hgl/graph/VKArrayBuffer.h b/inc/hgl/graph/VKArrayBuffer.h
index 39e6c581..c92b9bf4 100644
--- a/inc/hgl/graph/VKArrayBuffer.h
+++ b/inc/hgl/graph/VKArrayBuffer.h
@@ -26,9 +26,14 @@ namespace hgl
             uint8 *     buf_cpu;
             uint32_t *  offset;                             ///<数据偏移地址
 
+        private:
+        
+            GPUArrayBuffer(GPUDevice *,const uint32_t s=0,const uint32_t c=0);
+
+            friend class GPUDevice;
+
         public:
 
-            GPUArrayBuffer(GPUDevice *,const uint32_t s=0,const uint32_t c=0);
             virtual ~GPUArrayBuffer();
 
             void Clear();                                   ///<清空缓冲区
diff --git a/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp b/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
index cb1bc111..5741d87e 100644
--- a/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
@@ -1,5 +1,6 @@
 #include<hgl/graph/VKDevice.h>
-#include<hgl/graph/VKBuffer.h>
+#include<hgl/graph/VKIndexBuffer.h>
+#include<hgl/graph/VKVertexAttribBuffer.h>
 
 VK_NAMESPACE_BEGIN
 bool GPUDevice::CreateBuffer(GPUBufferData *buf,VkBufferUsageFlags buf_usage,VkDeviceSize size,const void *data,SharingMode sharing_mode)
diff --git a/src/SceneGraph/Vulkan/VKMemoryAllocator.cpp b/src/SceneGraph/Vulkan/VKMemoryAllocator.cpp
index 0413257e..2689c49c 100644
--- a/src/SceneGraph/Vulkan/VKMemoryAllocator.cpp
+++ b/src/SceneGraph/Vulkan/VKMemoryAllocator.cpp
@@ -17,7 +17,11 @@ VKMemoryAllocator::VKMemoryAllocator(GPUDevice *d,const uint32_t flags)
 
 VKMemoryAllocator::~VKMemoryAllocator()
 {
-    SAFE_CLEAR(gpu_buffer);
+    if(gpu_buffer)
+    {
+        gpu_buffer->Unmap();
+        delete gpu_buffer;
+    }
 }
 
 bool VKMemoryAllocator::Alloc()