diff --git a/example/OutputGLInfo/main.cpp b/example/OutputGLInfo/main.cpp
index 861a542e..5d1e80c3 100644
--- a/example/OutputGLInfo/main.cpp
+++ b/example/OutputGLInfo/main.cpp
@@ -1,6 +1,7 @@
 #include<hgl/render/RenderDevice.h>
 #include<hgl/render/RenderWindow.h>
 #include<iostream>
+#include<string.h>
 #include<GLFW/glfw3.h>
 #include<GL/glext.h>
 
@@ -33,7 +34,7 @@ void output_ogl_info()
         std::cout<<"            "<<i<<" : "<<glGetStringi(GL_EXTENSIONS,i)<<std::endl;
 }
 
-int main(void)
+int main(int argc,char **argv)
 {
     RenderDevice *device=CreateRenderDeviceGLFW();
 
@@ -55,6 +56,16 @@ int main(void)
 
     RenderSetup rs;
 
+    if(argc>1)
+    {
+        if(stricmp(argv[1],"core")==0)
+            rs.opengl.core=true;
+        else
+            rs.opengl.core=false;
+    }
+    else
+        rs.opengl.core=false;
+
     RenderWindow *win=device->CreateWindow(1280,720,&ws,&rs);
 
     win->MakeToCurrent();           //切换当前窗口到前台
diff --git a/inc/hgl/render/RenderDevice.h b/inc/hgl/render/RenderDevice.h
index 9c431f79..ee5df5fd 100644
--- a/inc/hgl/render/RenderDevice.h
+++ b/inc/hgl/render/RenderDevice.h
@@ -95,6 +95,7 @@ namespace hgl
         {
             bool debug=true;
 
+            bool core=true;
             bool es=false;
             bool egl=false;
 
diff --git a/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp b/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp
index 85c21a43..43945da1 100644
--- a/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp
+++ b/src/RenderDevice/GLFW/RenderDeviceGLFW.cpp
@@ -86,16 +86,23 @@ namespace hgl
 
             if(gs->opengl.es)
             {
+                glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR,      gs->opengl.major);
+                glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR,      gs->opengl.minor);
             }
-            else
+            else if(gs->opengl.core)
             {
                 glfwWindowHint(GLFW_OPENGL_PROFILE,         GLFW_OPENGL_CORE_PROFILE);        //核心模式
                 glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT,  true);                            //向前兼容模式(无旧特性)
+
+                glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR,      gs->opengl.major);
+                glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR,      gs->opengl.minor);
+            }
+            else
+            {
+                //glfwWindowHint(GLFW_OPENGL_PROFILE,         GLFW_OPENGL_COMPAT_PROFILE);        //兼容模式
             }
 
             glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT,       gs->opengl.debug);                //调试模式
-            glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR,      gs->opengl.major);
-            glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR,      gs->opengl.minor);
 
             glfwWindowHint(GLFW_VISIBLE,                    true);                            //是否显示