diff --git a/inc/hgl/graph/vulkan/VK.h b/inc/hgl/graph/vulkan/VK.h
index f00c9cc5..524c1058 100644
--- a/inc/hgl/graph/vulkan/VK.h
+++ b/inc/hgl/graph/vulkan/VK.h
@@ -46,7 +46,7 @@ class IndexBuffer;
 class CommandBuffer;
 class RenderPass;
 class Fence;
-class Semaphore;
+class GPUSemaphore;
 
 class DescriptorSetLayoutCreater;
 
diff --git a/inc/hgl/graph/vulkan/VKSemaphore.h b/inc/hgl/graph/vulkan/VKSemaphore.h
index 1c969608..b82fd7a8 100644
--- a/inc/hgl/graph/vulkan/VKSemaphore.h
+++ b/inc/hgl/graph/vulkan/VKSemaphore.h
@@ -3,7 +3,7 @@
 
 #include<hgl/graph/vulkan/VK.h>
 VK_NAMESPACE_BEGIN
-class Semaphore
+class GPUSemaphore
 {
     VkDevice device;
     VkSemaphore sem;
@@ -12,7 +12,7 @@ private:
 
     friend class Device;
 
-    Semaphore(VkDevice d,VkSemaphore s)
+    GPUSemaphore(VkDevice d,VkSemaphore s)
     {
         device=d;
         sem=s;
@@ -20,11 +20,11 @@ private:
 
 public:
 
-    ~Semaphore();
+    ~GPUSemaphore();
 
     operator VkSemaphore(){return sem;}
 
     operator const VkSemaphore *()const{return &sem;}
-};//class Semaphore
+};//class GPUSemaphore
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_SEMAPHORE_INCLUDE
diff --git a/src/RenderDevice/Vulkan/VKSemaphore.cpp b/src/RenderDevice/Vulkan/VKSemaphore.cpp
index 6e7ef4e2..a95f0060 100644
--- a/src/RenderDevice/Vulkan/VKSemaphore.cpp
+++ b/src/RenderDevice/Vulkan/VKSemaphore.cpp
@@ -1,6 +1,6 @@
 #include<hgl/graph/vulkan/VKSemaphore.h>
 VK_NAMESPACE_BEGIN
-Semaphore::~Semaphore()
+GPUSemaphore::~GPUSemaphore()
 {
     vkDestroySemaphore(device,sem,nullptr);
 }