diff --git a/example/NullWindow/CMakeLists.txt b/example/NullWindow/CMakeLists.txt
index 1dc10f59..4555d751 100644
--- a/example/NullWindow/CMakeLists.txt
+++ b/example/NullWindow/CMakeLists.txt
@@ -1,3 +1,3 @@
 add_executable(NullWindow main.cpp)
 
-target_link_libraries(NullWindow PRIVATE MathGeoLib)
+target_link_libraries(NullWindow PRIVATE MathGeoLib glfw GL)
diff --git a/example/NullWindow/main.cpp b/example/NullWindow/main.cpp
index 5b4229ab..17038080 100644
--- a/example/NullWindow/main.cpp
+++ b/example/NullWindow/main.cpp
@@ -1,7 +1,38 @@
-#include<iostream>
+#include<GLFW/glfw3.h>
 
-int main(int,char **)
+int main(void)
 {
-    std::cout<<"hello,world!"<<std::endl;
+    GLFWwindow* window;
+
+    /* Initialize the library */
+    if (!glfwInit())
+        return -1;
+
+    /* Create a windowed mode window and its OpenGL context */
+    window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
+
+    if (!window)
+    {
+        glfwTerminate();
+        return -1;
+    }
+
+    /* Make the window's context current */
+    glfwMakeContextCurrent(window);
+
+    /* Loop until the user closes the window */
+    while (!glfwWindowShouldClose(window))
+    {
+        /* Render here */
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        /* Swap front and back buffers */
+        glfwSwapBuffers(window);
+
+        /* Poll for and process events */
+        glfwPollEvents();
+    }
+
+    glfwTerminate();
     return 0;
 }
diff --git a/inc/hgl/render/device/RenderDevice.h b/inc/hgl/render/device/RenderDevice.h
new file mode 100644
index 00000000..e3632164
--- /dev/null
+++ b/inc/hgl/render/device/RenderDevice.h
@@ -0,0 +1,29 @@
+#ifndef HGL_RENDER_DEVICE_INCLUDE
+#define HGL_RENDER_DEVICE_INCLUDE
+
+#include<hgl/type/_Object.h>
+#include<hgl/type/BaseString.h?
+namespace hgl
+{
+    /**
+     * 渲染设备基础类<br/>
+     * 该类是程序与操作系统或其它系统库的访问交接模块
+     */
+    class RenderDevice:public _Object
+    {
+    public:
+
+        RenderDevice()=default;
+        virtual ~RenderDevice()=default;
+
+    public:
+
+        virtual UTF8String ToDebugString() override                                                 ///<输出调试用字符串
+        {
+            return UTF8String(U8_TEXT("RenderDevice(),this is BUG,please override this Function."));
+        }
+    };//class RenderDevice
+
+    RenderDevice *CreateRenderDeviceGLFW();     ///<创建一个基于GLFW的渲染设备
+}//namespace hgl
+#endif//HGL_RENDER_DEVICE_INCLUDE
diff --git a/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp b/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp
new file mode 100644
index 00000000..e02abfc9
--- /dev/null
+++ b/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp
@@ -0,0 +1 @@
+