diff --git a/example/Vulkan/VKDevice.cpp b/example/Vulkan/VKDevice.cpp
index db39a2e0..92fbf740 100644
--- a/example/Vulkan/VKDevice.cpp
+++ b/example/Vulkan/VKDevice.cpp
@@ -5,6 +5,7 @@
 //#include"VKDescriptorSet.h"
 #include"VKRenderPass.h"
 #include"VKFence.h"
+#include"VKSemaphore.h"
 
 VK_NAMESPACE_BEGIN
 
@@ -198,4 +199,18 @@ Fence *Device::CreateFence()
 
     return(new Fence(attr->device,drawFence));
 }
+
+Semaphore *Device::CreateSem()
+{
+    VkSemaphoreCreateInfo SemaphoreCreateInfo;
+    SemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+    SemaphoreCreateInfo.pNext = nullptr;
+    SemaphoreCreateInfo.flags = 0;
+
+    VkSemaphore sem;
+    if(vkCreateSemaphore(attr->device, &SemaphoreCreateInfo, nullptr, &sem)!=VK_SUCCESS)
+        return(nullptr);
+
+    return(new Semaphore(attr->device,sem));
+}
 VK_NAMESPACE_END
diff --git a/example/Vulkan/VKDevice.h b/example/Vulkan/VKDevice.h
index 2d335d13..8451fc63 100644
--- a/example/Vulkan/VKDevice.h
+++ b/example/Vulkan/VKDevice.h
@@ -13,6 +13,7 @@ class VertexBuffer;
 class CommandBuffer;
 class RenderPass;
 class Fence;
+class Semaphore;
 
 class Device
 {
@@ -63,6 +64,8 @@ public:
     RenderPass *CreateRenderPass();
 
     Fence *CreateFence();
+
+    Semaphore *CreateSem();
 };//class Device
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_RENDER_SURFACE_INCLUDE
diff --git a/example/Vulkan/VKSemaphore.cpp b/example/Vulkan/VKSemaphore.cpp
index 5217ca0d..1b707099 100644
--- a/example/Vulkan/VKSemaphore.cpp
+++ b/example/Vulkan/VKSemaphore.cpp
@@ -1,4 +1,7 @@
 #include"VKSemaphore.h"
-
 VK_NAMESPACE_BEGIN
+Semaphore::~Semaphore()
+{
+    vkDestroySemaphore(device,sem,nullptr);
+}
 VK_NAMESPACE_END
diff --git a/example/Vulkan/VKSemaphore.h b/example/Vulkan/VKSemaphore.h
index 70a00c34..89f4732a 100644
--- a/example/Vulkan/VKSemaphore.h
+++ b/example/Vulkan/VKSemaphore.h
@@ -5,7 +5,22 @@
 VK_NAMESPACE_BEGIN
 class Semaphore
 {
+    VkDevice device;
+    VkSemaphore sem;
 
+private:
+
+    friend class Device;
+
+    Semaphore(VkDevice d,VkSemaphore s)
+    {
+        device=d;
+        sem=s;
+    }
+
+public:
+
+    ~Semaphore();
 };//class Semaphore
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_SEMAPHORE_INCLUDE
diff --git a/example/Vulkan/main.cpp b/example/Vulkan/main.cpp
index a720db49..6a647f98 100644
--- a/example/Vulkan/main.cpp
+++ b/example/Vulkan/main.cpp
@@ -11,6 +11,7 @@
 #include"VKPipeline.h"
 #include"VKCommandBuffer.h"
 #include"VKFence.h"
+#include"VKSemaphore.h"
 
 #include<io.h>
 #include<fcntl.h>
@@ -122,6 +123,7 @@ int main(int,char **)
         return -3;
 
     vulkan::Fence *fence=device->CreateFence();
+    vulkan::Semaphore *sem=device->CreateSem();
 
     vulkan::VertexInput vi;
     vulkan::PipelineCreater pc(device);
@@ -144,6 +146,7 @@ int main(int,char **)
         delete pipeline;
     }
 
+    delete sem;
     delete fence;
     delete rp;