diff --git a/inc/hgl/graph/Coordinate.h b/inc/hgl/graph/Coordinate.h
index d7361c20..98521300 100644
--- a/inc/hgl/graph/Coordinate.h
+++ b/inc/hgl/graph/Coordinate.h
@@ -20,7 +20,7 @@ namespace hgl
          *                  X                   | Y                                          X
          */
 
-        extern Matrix4f MATRIX_FROM_OPENGL_COORDINATE;              //OpenGL坐标系数据到我方坐标系数据变换用矩阵
+        const Matrix4f GetOpenGL2VulkanMatrix();              //OpenGL坐标系数据到我方坐标系数据变换用矩阵
 
         }//namespace graph
 }//namespace hgl
diff --git a/src/SceneGraph/Coordinate.cpp b/src/SceneGraph/Coordinate.cpp
index 1bf5ef60..6b545228 100644
--- a/src/SceneGraph/Coordinate.cpp
+++ b/src/SceneGraph/Coordinate.cpp
@@ -4,8 +4,11 @@ namespace hgl
 {
     namespace graph
     {
-        Matrix4f MATRIX_FROM_OPENGL_COORDINATE=scale(1,-1,1)*rotate(HGL_RAD_90,Vector3f(1,0,0));
-
+        const Matrix4f GetOpenGL2VulkanMatrix()
+        {
+            const Matrix4f MATRIX_FROM_OPENGL_COORDINATE=scale(1,-1,1)*rotate(HGL_RAD_90,Vector3f(1,0,0));
 
+            return MATRIX_FROM_OPENGL_COORDINATE;
+        }
     }//namespace graph
 }//namespace hgl