diff --git a/src/main/java/cactusServer/entities/Allowed.java b/src/main/java/cactusServer/entities/Allowed.java
deleted file mode 100644
index 37621e8..0000000
--- a/src/main/java/cactusServer/entities/Allowed.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package cactusServer.entities;
-
-public enum Allowed {
-	SHOOT, KILL;
-}
diff --git a/src/main/java/cactusServer/entities/Area.java b/src/main/java/cactusServer/entities/Area.java
index 9c74882..5050012 100644
--- a/src/main/java/cactusServer/entities/Area.java
+++ b/src/main/java/cactusServer/entities/Area.java
@@ -36,4 +36,8 @@
 	public void removePermission(Allowed allowed) {
 		permissions.remove(allowed);
 	}
+	
+	public static enum Allowed {
+		SHOOT, KILL;
+	}
 }
diff --git a/src/main/java/cactusServer/entities/Instance.java b/src/main/java/cactusServer/entities/Instance.java
index 3a2d9f2..a7b45d3 100644
--- a/src/main/java/cactusServer/entities/Instance.java
+++ b/src/main/java/cactusServer/entities/Instance.java
@@ -2,6 +2,8 @@
 
 import java.util.HashMap;
 import java.util.HashSet;
+
+import cactusServer.entities.Area.Allowed;
 import cactusServer.entities.Object;
 import framework.model3D.Position3D;
 import framework.physics.AngularVelocity3D;
@@ -14,6 +16,7 @@
  */
 public class Instance {
 	private String name;
+	private State state;
 	private HashMap<String, Area> areaMap = new HashMap<>();
 	private HashMap<String, Object> objMap = new HashMap<>();
 	
@@ -21,14 +24,19 @@
 	 * (�����͌����_�ł̉��̂���)
 	 * @param name �C���X�^���X��
 	 */
-	public Instance(String name) {
+	public Instance(String name, State state) {
 		this.name = name;
+		this.state = state;
 	}
 
 	public String getName() {
 		return name;
 	}
 	
+	public State getState() {
+		return state;
+	}
+	
 	public HashMap<String, Area> getAreaMap() {
 		return areaMap;
 	}
@@ -45,6 +53,10 @@
 		return objMap.get(objId);
 	}
 	
+	public void setState(State state) {
+		this.state = state;
+	}
+	
 	public Area createArea(String areaId, String name, Plain[] regions, HashSet<Allowed> permissions) {
 		if (areaMap.containsKey(areaId)) {
 			return null;
@@ -71,7 +83,7 @@
 		return objMap.remove(objId);
 	}
 	
-	public static enum InstanceState {
+	public static enum State {
 		ABAILABLE, MAINTENANCE;
 	}
 }
diff --git a/src/main/java/cactusServer/models/Instances.java b/src/main/java/cactusServer/models/Instances.java
index 46e7b67..3489f1e 100644
--- a/src/main/java/cactusServer/models/Instances.java
+++ b/src/main/java/cactusServer/models/Instances.java
@@ -45,7 +45,7 @@
 		if (instanceMap.containsKey(instanceId)) {
 			return null;
 		}
-		Instance instance = new Instance(name);
+		Instance instance = new Instance(name, Instance.State.ABAILABLE);
 		instanceMap.put(instanceId, instance);
 		return instance;
 	}