diff --git a/src/main/java/cactusServer/entities/Bullet.java b/src/main/java/cactusServer/entities/Bullet.java
index 2ec4b09..611f2c7 100644
--- a/src/main/java/cactusServer/entities/Bullet.java
+++ b/src/main/java/cactusServer/entities/Bullet.java
@@ -6,6 +6,9 @@
 import org.ntlab.radishforandroidstudio.java3d.Box;
 import org.ntlab.radishforandroidstudio.java3d.Primitive;
 
+import cactusServer.models.BulletModelManager;
+import cactusServer.models.CharacterModelManager;
+
 public class Bullet extends Entity3D {
 	private String playerID;
 	private Position3D position;
@@ -19,10 +22,8 @@
 		this.playerID = playerID;
 		this.position = position;
 		this.angle = angle;
-//		setPrim(new Box());
-//		setObject(new Object3D("", prim));
-//		setPlaceable(object);
-//		setPlaceable(new Object3D("", new Box())); // ???
+		Object3D body = BulletModelManager.getInstance().getBulletModel(0).createObject(); // ���f��ID�͉���0���w��
+		setPlaceable(body);
 	}
 
 	public String getPlayerID() {
diff --git a/src/main/java/cactusServer/entities/Instance.java b/src/main/java/cactusServer/entities/Instance.java
index 43f6f0a..3688f12 100644
--- a/src/main/java/cactusServer/entities/Instance.java
+++ b/src/main/java/cactusServer/entities/Instance.java
@@ -173,7 +173,9 @@
 			bulletMap.put(playerID, new HashMap<String, Bullet>());
 		}
 		HashMap<String, Bullet> map = bulletMap.get(playerID);
-		map.put(bulletID, new Bullet(playerID, position, angle));
+		Bullet bullet = new Bullet(playerID, position, angle);
+		map.put(bulletID, bullet);
+		universe.place(bullet.getPlaceable());
 		return map;
 	}
 
diff --git a/src/main/java/cactusServer/models/BulletModelManager.java b/src/main/java/cactusServer/models/BulletModelManager.java
index b56abba..dfc3f33 100644
--- a/src/main/java/cactusServer/models/BulletModelManager.java
+++ b/src/main/java/cactusServer/models/BulletModelManager.java
@@ -22,7 +22,7 @@
 	}
 
 	private void initBulletModels() {
-		String[] initCharacterModelFileNames = { "pocha.stl" };
+		String[] initCharacterModelFileNames = { "bullet.obj" };
 		for (String fileName : initCharacterModelFileNames) {
 			addBulletModel(fileName);
 		}
diff --git a/src/main/java/cactusServer/resources/BulletsRest.java b/src/main/java/cactusServer/resources/BulletsRest.java
index 74c9da3..7528625 100644
--- a/src/main/java/cactusServer/resources/BulletsRest.java
+++ b/src/main/java/cactusServer/resources/BulletsRest.java
@@ -71,6 +71,7 @@
 		HashMap<String, Bullet> map = instance.getBullets().get(playerId);
 		if (map != null) {
 			Bullet removedBullet = map.remove(bulletId);
+			instance.getUniverse().displace(removedBullet.getPlaceable());
 			return JSON.encode(removedBullet);
 		}
 		throw new WebApplicationException(400);