diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java
index f1b6a6b..58e75e6 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java
@@ -22,9 +22,9 @@
     protected Camera3D camera;
     protected RWTSurfaceView view;
     protected View parentView = null;
-//    protected GameBaseModelContainer modelManager = null;
+    protected GameBaseModelContainer modelManager = null;
     protected UpdateBoundary updateBoundary = null;
-    protected UpdateUseCase modelManager = null;
+//    protected UpdateUseCase modelManager = null;
 
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {