diff --git a/src/main/java/JumpGame.java b/src/main/java/JumpGame.java
index 9927138..612856d 100644
--- a/src/main/java/JumpGame.java
+++ b/src/main/java/JumpGame.java
@@ -18,7 +18,6 @@
     //---------------------------------------------------------------
     //
     public void gravity(double y) {
-//           this.time.gravity(y);
         JumpGameModel jumpGameModel = (JumpGameModel) model;
         jumpGameModel.updateGravity(y);
     }
@@ -35,12 +34,22 @@
     // 更新処理
     public void update() {
 
+        JumpGameModel jumpGameModel = (JumpGameModel) model;
+
         // Viewの更新
-        for (IView view : views){
+        for (IView view : views) {
             view.update(model);
             view.display();
         }
 
+        // ステージが排出する地形データを切り替える
+        if (jumpGameModel.isTimingOfChangeTile()) {
+            jumpGameModel.changeTileType();
+
+            TileMapRenderer tileMapRenderer = (TileMapRenderer) views.get(0);
+            tileMapRenderer.createTile(jumpGameModel.getTileType());
+        }
+
         // Modelの更新
         //
         // Space キーのインプット