diff --git a/src/main/java/cactusServer/models/CollisionManager.java b/src/main/java/cactusServer/models/CollisionManager.java
index b6234ed..46495a8 100644
--- a/src/main/java/cactusServer/models/CollisionManager.java
+++ b/src/main/java/cactusServer/models/CollisionManager.java
@@ -98,8 +98,8 @@
 
 	public void collisionMove(Player player1, Player player2) {
 		CollisionResult result;
-		result = PhysicsUtility.checkCollision((Object3D) player1.getPlaceable(), null,
-				(Object3D) player2.getPlaceable(), null);
+		result = PhysicsUtility.checkCollision((Object3D) player1.getPlaceable().getBody(), null,
+				(Object3D) player2.getPlaceable().getBody(), null);
 		if (result != null) {
 			System.out.println("�v���C���[���m���Փ�");
 			objMove(result, player1, true);
diff --git a/src/main/java/cactusServer/utils/App.java b/src/main/java/cactusServer/utils/App.java
index 9deb36c..0b53e96 100644
--- a/src/main/java/cactusServer/utils/App.java
+++ b/src/main/java/cactusServer/utils/App.java
@@ -91,6 +91,8 @@
 		Instances.getInstance().getPlayers().put("player1", player1);
 		Player player2 = new Player("test2", "chara2", cameraState, EmoteType.DUMMY);
 		Instances.getInstance().getPlayers().put("player2", player2);
+		Player player3 = new Player("test1","chara1",null,null);
+		Instances.getInstance().getPlayers().put("player3", player3);
 		// �_�~�[�I�u�W�F�N�g
 		Instances.getInstance().getInstance("test1").createObject(new Position3D(110, 110, 110), new Velocity3D(),
 				new AngularVelocity3D(), new Quaternion3D(), new Attribute(true, 1), 0);