diff --git a/src/main/java/com/msb/TankDemo.java b/src/main/java/com/msb/TankDemo.java
index bbe5b64..0891a67 100644
--- a/src/main/java/com/msb/TankDemo.java
+++ b/src/main/java/com/msb/TankDemo.java
@@ -12,8 +12,8 @@ public class TankDemo {
          TankFrame tankFrame = new TankFrame();
          //现实当中，虽然可以过按键来改变方块的坐标并且重新刷新画板来实现移动，但是敌方的坦克应该是自动在跑
          while (true) {
-//             Thread.sleep(50);
-             Thread.sleep(500);
+             Thread.sleep(50);
+//             Thread.sleep(500);
              tankFrame.repaint();
          }
     }
diff --git a/src/main/java/com/msb/TankFrame.java b/src/main/java/com/msb/TankFrame.java
index ec1be33..03b741d 100644
--- a/src/main/java/com/msb/TankFrame.java
+++ b/src/main/java/com/msb/TankFrame.java
@@ -81,6 +81,8 @@ public class TankFrame extends Frame {
                 case KeyEvent.VK_RIGHT : bR = true; break;
                 case KeyEvent.VK_UP : bU = true; break;
                 case KeyEvent.VK_DOWN : bD = true; break;
+                case KeyEvent.VK_S: GameModel.getInstance().save();
+                case KeyEvent.VK_L: GameModel.getInstance().load();
                 default: break;
             }
             setDir();
diff --git a/src/main/java/com/msb/inter/FireStrategy.java b/src/main/java/com/msb/inter/FireStrategy.java
index 1388381..a5a8ada 100644
--- a/src/main/java/com/msb/inter/FireStrategy.java
+++ b/src/main/java/com/msb/inter/FireStrategy.java
@@ -2,12 +2,14 @@ package com.msb.inter;
 
 import com.msb.model.Tank;
 
+import java.io.Serializable;
+
 /**
  * @Author bingor
  * @Date 2022/10/8 11:21
  * @Description: com.msb
  * @Version: 1.0
  */
-public interface FireStrategy {
+public interface FireStrategy extends Serializable {
     public void fire(Tank tank);
 }
diff --git a/src/main/java/com/msb/inter/impl/DefaultFireStrategy.java b/src/main/java/com/msb/inter/impl/DefaultFireStrategy.java
index 0dcc054..eaa0d09 100644
--- a/src/main/java/com/msb/inter/impl/DefaultFireStrategy.java
+++ b/src/main/java/com/msb/inter/impl/DefaultFireStrategy.java
@@ -25,13 +25,13 @@ public class DefaultFireStrategy implements FireStrategy {
         int bX = tank.getX() + Tank.WIDTH/2 - Bullet.WIDTH/2;
         int bY = tank.getY()+Tank.HEIGHT/2-Bullet.HEIGHT/2;
 //        new Bullet(bX, bY, tank.getDir(), tank.getGroup(), tank.getGameModel());
-//        new Bullet(bX, bY, tank.getDir(), tank.getGroup());
-        GameModel.INSTANCE.add(
+        new Bullet(bX, bY, tank.getDir(), tank.getGroup());
+        /*GameModel.INSTANCE.add(
             new RectDecorator(
                 new TailDecorator(
                     new Bullet(bX, bY, tank.getDir(), tank.getGroup())
                 )
             )
-        );
+        );*/
     }
 }
diff --git a/src/main/java/com/msb/model/GameModel.java b/src/main/java/com/msb/model/GameModel.java
index c03bb49..13cb17c 100644
--- a/src/main/java/com/msb/model/GameModel.java
+++ b/src/main/java/com/msb/model/GameModel.java
@@ -19,6 +19,7 @@ import com.msb.model.abstracts.BaseExplode;
 import com.msb.model.abstracts.GameObject;
 
 import java.awt.*;
+import java.io.*;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -126,4 +127,29 @@ public class GameModel {
     public void remove(GameObject gameObject) {
         gameObjects.remove(gameObject);
     }
+
+    public void save() {
+        File file = new File("F:\\bingor\\temp\\tank.data");
+        try {
+            ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(file));
+            oos.writeObject(myTank);
+            oos.writeObject(gameObjects);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void load() {
+        File file = new File("F:\\bingor\\temp\\tank.data");
+        ObjectInputStream ois = null;
+        try {
+            ois = new ObjectInputStream(new FileInputStream(file));
+            myTank = (Tank) ois.readObject();
+            gameObjects = (List<GameObject>) ois.readObject();
+        } catch (IOException | ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+
+    }
+
 }
diff --git a/src/main/java/com/msb/model/abstracts/GameObject.java b/src/main/java/com/msb/model/abstracts/GameObject.java
index a137895..0625ab2 100644
--- a/src/main/java/com/msb/model/abstracts/GameObject.java
+++ b/src/main/java/com/msb/model/abstracts/GameObject.java
@@ -6,6 +6,7 @@ package com.msb.model.abstracts;/**
  */
 
 import java.awt.*;
+import java.io.Serializable;
 
 /**
  *@ClassName GameObject
@@ -14,7 +15,7 @@ import java.awt.*;
  *@Date 2022/10/11 9:23
  *@Version 3.0
  */
-public abstract class GameObject {
+public abstract class GameObject implements Serializable {
 //    protected int x,y;
     public int x,y;
     public abstract void paint(Graphics g);