diff --git a/cocos/3d/CCMeshVertexIndexData.cpp b/cocos/3d/CCMeshVertexIndexData.cpp
index 3bb77ddefb..513805ccb2 100644
--- a/cocos/3d/CCMeshVertexIndexData.cpp
+++ b/cocos/3d/CCMeshVertexIndexData.cpp
@@ -121,9 +121,9 @@ MeshVertexData* MeshVertexData::create(const MeshData& meshdata)
     return vertexdata;
 }
 
-const AABB& MeshVertexData::calculateAABB(const std::vector<float>& vertex, int stride, const std::vector<unsigned short>& index)
+AABB MeshVertexData::calculateAABB(const std::vector<float>& vertex, int stride, const std::vector<unsigned short>& index)
 {
-    static AABB aabb;
+    AABB aabb;
     stride /= 4;
     for(const auto& it : index)
     {
diff --git a/cocos/3d/CCMeshVertexIndexData.h b/cocos/3d/CCMeshVertexIndexData.h
index 400ceaa5b2..f66f1d95aa 100644
--- a/cocos/3d/CCMeshVertexIndexData.h
+++ b/cocos/3d/CCMeshVertexIndexData.h
@@ -115,7 +115,7 @@ CC_CONSTRUCTOR_ACCESS:
     MeshVertexData();
     virtual ~MeshVertexData();
     
-    static const AABB& calculateAABB(const std::vector<float>& vertex, int stride, const std::vector<unsigned short>& index);
+    static AABB calculateAABB(const std::vector<float>& vertex, int stride, const std::vector<unsigned short>& index);
 protected:
     VertexData*          _vertexData; //mesh vertex data
     VertexBuffer*        _vertexBuffer; // vertex buffer