diff --git a/tankWar/src/Bullet.java b/tankWar/src/com/mashibing/tank/Bullet.java
similarity index 94%
rename from tankWar/src/Bullet.java
rename to tankWar/src/com/mashibing/tank/Bullet.java
index a70dc12..a0f8f5a 100644
--- a/tankWar/src/Bullet.java
+++ b/tankWar/src/com/mashibing/tank/Bullet.java
@@ -1,61 +1,63 @@
-import java.awt.*;
-
-/**
- * @Description: 子弹
- * @Author: zhanxinlin
- * @Date: 2022-09-27 23:10
- */
-public class Bullet {
-    private static final int SPEED = 10;
-    private static final int WIDTH = 20;
-    private static final int HEIGHT = 20;
-
-    private int x;
-    private int y;
-    private FrameTank frameTank;
-    private Direction direction;
-    private boolean live = true;
-
-    public Bullet(int x, int y, Direction direction, FrameTank frameTank) {
-        this.x = x;
-        this.y = y;
-        this.direction = direction;
-        this.frameTank = frameTank;
-    }
-
-    public void paint(Graphics g) {
-        // 子弹超出界限，从子弹集合中移除
-        if (!live) {
-            frameTank.bulletList.remove(this);
-        }
-
-        Color color = g.getColor();
-        g.setColor(Color.RED);
-        g.fillOval(x, y, WIDTH, HEIGHT);
-        g.setColor(color);
-        move();
-    }
-
-    private void move() {
-        // 定义坦克的移动特征
-        switch (direction) {
-            case LEFT:
-                x -= SPEED;
-                break;
-            case UP:
-                y -= SPEED;
-                break;
-            case RIGHT:
-                x += SPEED;
-                break;
-            case DOWN:
-                y += SPEED;
-                break;
-        }
-
-        // 子弹超出临界范围
-        if (x < 0 || y < 0 || y > FrameTank.GAME_HEIGHT || x > FrameTank.GAME_WIDTH) {
-            live = false;
-        }
-    }
-}
+package com.mashibing.tank;
+
+import java.awt.*;
+
+/**
+ * @Description: 子弹
+ * @Author: zhanxinlin
+ * @Date: 2022-09-27 23:10
+ */
+public class Bullet {
+    private static final int SPEED = 10;
+    private static final int WIDTH = 20;
+    private static final int HEIGHT = 20;
+
+    private int x;
+    private int y;
+    private FrameTank frameTank;
+    private Direction direction;
+    private boolean live = true;
+
+    public Bullet(int x, int y, Direction direction, FrameTank frameTank) {
+        this.x = x;
+        this.y = y;
+        this.direction = direction;
+        this.frameTank = frameTank;
+    }
+
+    public void paint(Graphics g) {
+        // 子弹超出界限，从子弹集合中移除
+        if (!live) {
+            frameTank.bulletList.remove(this);
+        }
+
+        Color color = g.getColor();
+        g.setColor(Color.RED);
+        g.fillOval(x, y, WIDTH, HEIGHT);
+        g.setColor(color);
+        move();
+    }
+
+    private void move() {
+        // 定义坦克的移动特征
+        switch (direction) {
+            case LEFT:
+                x -= SPEED;
+                break;
+            case UP:
+                y -= SPEED;
+                break;
+            case RIGHT:
+                x += SPEED;
+                break;
+            case DOWN:
+                y += SPEED;
+                break;
+        }
+
+        // 子弹超出临界范围
+        if (x < 0 || y < 0 || y > FrameTank.GAME_HEIGHT || x > FrameTank.GAME_WIDTH) {
+            live = false;
+        }
+    }
+}
diff --git a/tankWar/src/Direction.java b/tankWar/src/com/mashibing/tank/Direction.java
similarity index 78%
rename from tankWar/src/Direction.java
rename to tankWar/src/com/mashibing/tank/Direction.java
index 36176b0..b96ebb6 100644
--- a/tankWar/src/Direction.java
+++ b/tankWar/src/com/mashibing/tank/Direction.java
@@ -1,8 +1,10 @@
-/**
- * @Description: 方向枚举
- * @Author: zhanxinlin
- * @Date: 2022-09-27 22:21
- */
-public enum Direction {
-    LEFT, UP, RIGHT, DOWN
-}
+package com.mashibing.tank;
+
+/**
+ * @Description: 方向枚举
+ * @Author: zhanxinlin
+ * @Date: 2022-09-27 22:21
+ */
+public enum Direction {
+    LEFT, UP, RIGHT, DOWN
+}
diff --git a/tankWar/src/FrameTank.java b/tankWar/src/com/mashibing/tank/FrameTank.java
similarity index 96%
rename from tankWar/src/FrameTank.java
rename to tankWar/src/com/mashibing/tank/FrameTank.java
index ca5a7aa..d1034cc 100644
--- a/tankWar/src/FrameTank.java
+++ b/tankWar/src/com/mashibing/tank/FrameTank.java
@@ -1,161 +1,163 @@
-import java.awt.*;
-import java.awt.event.KeyAdapter;
-import java.awt.event.KeyEvent;
-import java.awt.event.WindowAdapter;
-import java.awt.event.WindowEvent;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * @Description: 坦克大战窗口
- * @Author: zhanxinlin
- * @Date: 2022-09-27 21:34
- */
-public class FrameTank extends Frame{
-    static final int GAME_WIDTH = 800;
-    static final int GAME_HEIGHT = 600;
-
-    Tank myTank = new Tank(200 ,200, Direction.DOWN, this);
-    List<Bullet> bulletList = new ArrayList<>(); // 用集合来装子弹
-
-    // 构造方法
-    public FrameTank() {
-        this.setSize(GAME_WIDTH, GAME_HEIGHT);
-        this.setResizable(false); // 窗口大小不可拉伸
-        this.setVisible(true); // 窗口可见
-        this.setTitle("tank war");
-
-        // 窗口监听器，点击"×"，则关闭窗口，停止程序
-        this.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowClosing(WindowEvent e) {
-                System.exit(0);
-            }
-        });
-
-        // 键盘按钮监听器
-        this.addKeyListener(new MyKeyListener());
-    }
-
-    Image offScreenImage = null;
-
-    /**
-     * 双缓冲解决窗口闪烁
-     *
-     * @param g 画笔
-     */
-    @Override
-    public void update(Graphics g) {
-        if (offScreenImage == null) {
-            offScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT);
-        }
-        Graphics gOffScreen = offScreenImage.getGraphics();
-        Color c = gOffScreen.getColor();
-        gOffScreen.setColor(Color.BLACK);
-        gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
-        gOffScreen.setColor(c);
-        paint(gOffScreen);
-        g.drawImage(offScreenImage, 0, 0, null);
-    }
-
-    /**
-     * 画图方法，系统调用
-     *
-     * @param g
-     */
-    @Override
-    public void paint(Graphics g) {
-        Color color = g.getColor();
-        g.setColor(Color.WHITE);
-        g.drawString("子弹的数量：" + bulletList.size(), 10, 60);
-        g.setColor(color);
-
-        // 坦克把自己画出来
-        myTank.paint(g);
-
-        // 子弹把自己画出来
-        for (int i = 0; i < bulletList.size(); i++) {
-            bulletList.get(i).paint(g);
-        }
-    }
-
-    class MyKeyListener extends KeyAdapter {
-        boolean leftDirection = false;
-        boolean upDirection = false;
-        boolean rightDirection = false;
-        boolean downDirection = false;
-
-        @Override
-        public void keyPressed(KeyEvent e) {
-            int key = e.getKeyCode();
-            switch (key) {
-                case KeyEvent.VK_LEFT:
-                    leftDirection = true;
-                    break;
-                case KeyEvent.VK_UP:
-                    upDirection = true;
-                    break;
-                case KeyEvent.VK_RIGHT:
-                    rightDirection = true;
-                    break;
-                case KeyEvent.VK_DOWN:
-                    downDirection = true;
-                    break;
-                case KeyEvent.VK_CONTROL:
-                    myTank.fire();
-                    break;
-                default:
-                    break;
-            }
-
-            setMainTankDirection();
-        }
-
-        @Override
-        public void keyReleased(KeyEvent e) {
-            int key = e.getKeyCode();
-            switch (key) {
-                case KeyEvent.VK_LEFT:
-                    leftDirection = false;
-                    break;
-                case KeyEvent.VK_UP:
-                    upDirection = false;
-                    break;
-                case KeyEvent.VK_RIGHT:
-                    rightDirection = false;
-                    break;
-                case KeyEvent.VK_DOWN:
-                    downDirection = false;
-                    break;
-                default:
-                    break;
-            }
-
-            setMainTankDirection();
-        }
-
-        /**
-         * 改变坦克的方向
-         */
-        private void setMainTankDirection() {
-            if (!leftDirection && !upDirection && !downDirection && !rightDirection) { // 没有按方向键，静止不动
-                myTank.setMoving(false);
-            } else { // 按了方向键
-                myTank.setMoving(true);
-
-                if (leftDirection) {
-                    myTank.setDirection(Direction.LEFT);
-                }
-                if (rightDirection) {
-                    myTank.setDirection(Direction.RIGHT);
-                }
-                if (upDirection) {
-                    myTank.setDirection(Direction.UP);
-                }
-                if (downDirection) {
-                    myTank.setDirection(Direction.DOWN);
-                }
-            }
-        }
-    }
-}
+package com.mashibing.tank;
+
+import java.awt.*;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @Description: 坦克大战窗口
+ * @Author: zhanxinlin
+ * @Date: 2022-09-27 21:34
+ */
+public class FrameTank extends Frame{
+    static final int GAME_WIDTH = 800;
+    static final int GAME_HEIGHT = 600;
+
+    Tank myTank = new Tank(200 ,200, Direction.DOWN, this);
+    List<Bullet> bulletList = new ArrayList<>(); // 用集合来装子弹
+
+    // 构造方法
+    public FrameTank() {
+        this.setSize(GAME_WIDTH, GAME_HEIGHT);
+        this.setResizable(false); // 窗口大小不可拉伸
+        this.setVisible(true); // 窗口可见
+        this.setTitle("tank war");
+
+        // 窗口监听器，点击"×"，则关闭窗口，停止程序
+        this.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                System.exit(0);
+            }
+        });
+
+        // 键盘按钮监听器
+        this.addKeyListener(new MyKeyListener());
+    }
+
+    Image offScreenImage = null;
+
+    /**
+     * 双缓冲解决窗口闪烁
+     *
+     * @param g 画笔
+     */
+    @Override
+    public void update(Graphics g) {
+        if (offScreenImage == null) {
+            offScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT);
+        }
+        Graphics gOffScreen = offScreenImage.getGraphics();
+        Color c = gOffScreen.getColor();
+        gOffScreen.setColor(Color.BLACK);
+        gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
+        gOffScreen.setColor(c);
+        paint(gOffScreen);
+        g.drawImage(offScreenImage, 0, 0, null);
+    }
+
+    /**
+     * 画图方法，系统调用
+     *
+     * @param g
+     */
+    @Override
+    public void paint(Graphics g) {
+        Color color = g.getColor();
+        g.setColor(Color.WHITE);
+        g.drawString("子弹的数量：" + bulletList.size(), 10, 60);
+        g.setColor(color);
+
+        // 坦克把自己画出来
+        myTank.paint(g);
+
+        // 子弹把自己画出来
+        for (int i = 0; i < bulletList.size(); i++) {
+            bulletList.get(i).paint(g);
+        }
+    }
+
+    class MyKeyListener extends KeyAdapter {
+        boolean leftDirection = false;
+        boolean upDirection = false;
+        boolean rightDirection = false;
+        boolean downDirection = false;
+
+        @Override
+        public void keyPressed(KeyEvent e) {
+            int key = e.getKeyCode();
+            switch (key) {
+                case KeyEvent.VK_LEFT:
+                    leftDirection = true;
+                    break;
+                case KeyEvent.VK_UP:
+                    upDirection = true;
+                    break;
+                case KeyEvent.VK_RIGHT:
+                    rightDirection = true;
+                    break;
+                case KeyEvent.VK_DOWN:
+                    downDirection = true;
+                    break;
+                case KeyEvent.VK_CONTROL:
+                    myTank.fire();
+                    break;
+                default:
+                    break;
+            }
+
+            setMainTankDirection();
+        }
+
+        @Override
+        public void keyReleased(KeyEvent e) {
+            int key = e.getKeyCode();
+            switch (key) {
+                case KeyEvent.VK_LEFT:
+                    leftDirection = false;
+                    break;
+                case KeyEvent.VK_UP:
+                    upDirection = false;
+                    break;
+                case KeyEvent.VK_RIGHT:
+                    rightDirection = false;
+                    break;
+                case KeyEvent.VK_DOWN:
+                    downDirection = false;
+                    break;
+                default:
+                    break;
+            }
+
+            setMainTankDirection();
+        }
+
+        /**
+         * 改变坦克的方向
+         */
+        private void setMainTankDirection() {
+            if (!leftDirection && !upDirection && !downDirection && !rightDirection) { // 没有按方向键，静止不动
+                myTank.setMoving(false);
+            } else { // 按了方向键
+                myTank.setMoving(true);
+
+                if (leftDirection) {
+                    myTank.setDirection(Direction.LEFT);
+                }
+                if (rightDirection) {
+                    myTank.setDirection(Direction.RIGHT);
+                }
+                if (upDirection) {
+                    myTank.setDirection(Direction.UP);
+                }
+                if (downDirection) {
+                    myTank.setDirection(Direction.DOWN);
+                }
+            }
+        }
+    }
+}
diff --git a/tankWar/src/Main.java b/tankWar/src/com/mashibing/tank/Main.java
similarity index 89%
rename from tankWar/src/Main.java
rename to tankWar/src/com/mashibing/tank/Main.java
index dcc431c..4e8e0be 100644
--- a/tankWar/src/Main.java
+++ b/tankWar/src/com/mashibing/tank/Main.java
@@ -1,15 +1,17 @@
-/**
- * @Description: 程序启动入口
- * @Author: zhanxinlin
- * @Date: 2022-09-27 22:00
- */
-public class Main {
-    public static void main(String[] args) throws InterruptedException {
-        FrameTank frameTank = new FrameTank();
-
-        while (true) {
-            Thread.sleep(50);
-            frameTank.repaint(); // 重画窗口，重新调用paint方法
-        }
-    }
-}
+package com.mashibing.tank;
+
+/**
+ * @Description: 程序启动入口
+ * @Author: zhanxinlin
+ * @Date: 2022-09-27 22:00
+ */
+public class Main {
+    public static void main(String[] args) throws InterruptedException {
+        FrameTank frameTank = new FrameTank();
+
+        while (true) {
+            Thread.sleep(50);
+            frameTank.repaint(); // 重画窗口，重新调用paint方法
+        }
+    }
+}
diff --git a/tankWar/src/com/mashibing/tank/ResourceImageRead.java b/tankWar/src/com/mashibing/tank/ResourceImageRead.java
new file mode 100644
index 0000000..c80ee01
--- /dev/null
+++ b/tankWar/src/com/mashibing/tank/ResourceImageRead.java
@@ -0,0 +1,29 @@
+package com.mashibing.tank;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+
+/**
+ * @Description: 读取图片资源类
+ * @Author: zhanxinlin
+ * @Date: 2022-09-28 23:14
+ */
+public class ResourceImageRead {
+    public static BufferedImage TANK_LEFT;
+    public static BufferedImage TANK_UP;
+    public static BufferedImage TANK_RIGHT;
+    public static BufferedImage TANK_DOWN;
+
+    // 当ResourceImageRead类加载时，静态代码块执行，直接初始化
+    static {
+        try {
+            TANK_LEFT = ImageIO.read(ResourceImageRead.class.getClassLoader().getResourceAsStream("images/tankL.gif"));
+            TANK_UP = ImageIO.read(ResourceImageRead.class.getClassLoader().getResourceAsStream("images/tankU.gif"));
+            TANK_RIGHT = ImageIO.read(ResourceImageRead.class.getClassLoader().getResourceAsStream("images/tankR.gif"));
+            TANK_DOWN = ImageIO.read(ResourceImageRead.class.getClassLoader().getResourceAsStream("images/tankD.gif"));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/tankWar/src/Tank.java b/tankWar/src/com/mashibing/tank/Tank.java
similarity index 72%
rename from tankWar/src/Tank.java
rename to tankWar/src/com/mashibing/tank/Tank.java
index a53947e..f73b03f 100644
--- a/tankWar/src/Tank.java
+++ b/tankWar/src/com/mashibing/tank/Tank.java
@@ -1,86 +1,101 @@
-import java.awt.*;
-
-/**
- * @Description: 坦克类
- * @Author: zhanxinlin
- * @Date: 2022-09-27 22:49
- */
-public class Tank {
-    private static final int SPEED = 5;
-    private int x;
-    private int y;
-    private Direction direction;
-    private boolean moving = false;
-    private FrameTank frameTank = null;
-
-    public Tank(int x, int y, Direction direction, FrameTank frameTank) {
-        this.x = x;
-        this.y = y;
-        this.direction = direction;
-        this.frameTank = frameTank;
-    }
-
-    /**
-     * tank把自己画出来
-     *
-     * @param g 画笔
-     */
-    public void paint(Graphics g) {
-        Color color = g.getColor();
-        g.setColor(Color.GREEN);
-        g.fillRect(x, y, 50, 50);
-        g.setColor(color);
-        move();
-    }
-
-    /**
-     * 坦克移动方法
-     */
-    private void move() {
-        if (!moving) {
-            return;
-        }
-
-        // 定义坦克的移动特征
-        switch (direction) {
-            case LEFT:
-                x -= SPEED;
-                break;
-            case UP:
-                y -= SPEED;
-                break;
-            case RIGHT:
-                x += SPEED;
-                break;
-            case DOWN:
-                y += SPEED;
-                break;
-        }
-    }
-
-    /**
-     * 坦克开火方法
-     * 难点：如何将坦克对象new出来的子弹对象bullet传递到FrameTank对象的子弹对象bullet中
-     * 解决：坦克对象要持有FrameTank对象的引用
-     */
-    public void fire() {
-        // 将子弹加入子弹集合
-        frameTank.bulletList.add(new Bullet(this.x, this.y, this.direction, this.frameTank));
-    }
-
-    public Direction getDirection() {
-        return direction;
-    }
-
-    public void setDirection(Direction direction) {
-        this.direction = direction;
-    }
-
-    public boolean isMoving() {
-        return moving;
-    }
-
-    public void setMoving(boolean moving) {
-        this.moving = moving;
-    }
-}
+package com.mashibing.tank;
+
+import java.awt.*;
+
+/**
+ * @Description: 坦克类
+ * @Author: zhanxinlin
+ * @Date: 2022-09-27 22:49
+ */
+public class Tank {
+    private static final int SPEED = 5;
+    private int x;
+    private int y;
+    private Direction direction;
+    private boolean moving = false;
+    private FrameTank frameTank = null;
+
+    public Tank(int x, int y, Direction direction, FrameTank frameTank) {
+        this.x = x;
+        this.y = y;
+        this.direction = direction;
+        this.frameTank = frameTank;
+    }
+
+    /**
+     * tank把自己画出来
+     *
+     * @param g 画笔
+     */
+    public void paint(Graphics g) {
+        // 画出坦克前后左右移动的图片
+        switch (direction) {
+            case LEFT:
+                g.drawImage(ResourceImageRead.TANK_LEFT, x, y, null);
+                break;
+            case UP:
+                g.drawImage(ResourceImageRead.TANK_UP, x, y, null);
+                break;
+            case RIGHT:
+                g.drawImage(ResourceImageRead.TANK_RIGHT, x, y, null);
+                break;
+            case DOWN:
+                g.drawImage(ResourceImageRead.TANK_DOWN, x, y, null);
+                break;
+        }
+
+        // 坦克移动
+        move();
+    }
+
+    /**
+     * 坦克移动方法
+     */
+    private void move() {
+        if (!moving) {
+            return;
+        }
+
+        // 定义坦克的移动特征
+        switch (direction) {
+            case LEFT:
+                x -= SPEED;
+                break;
+            case UP:
+                y -= SPEED;
+                break;
+            case RIGHT:
+                x += SPEED;
+                break;
+            case DOWN:
+                y += SPEED;
+                break;
+        }
+    }
+
+    /**
+     * 坦克开火方法
+     * 难点：如何将坦克对象new出来的子弹对象bullet传递到FrameTank对象的子弹对象bullet中
+     * 解决：坦克对象要持有FrameTank对象的引用
+     */
+    public void fire() {
+        // 将子弹加入子弹集合
+        frameTank.bulletList.add(new Bullet(this.x, this.y, this.direction, this.frameTank));
+    }
+
+    public Direction getDirection() {
+        return direction;
+    }
+
+    public void setDirection(Direction direction) {
+        this.direction = direction;
+    }
+
+    public boolean isMoving() {
+        return moving;
+    }
+
+    public void setMoving(boolean moving) {
+        this.moving = moving;
+    }
+}
diff --git a/tankWar/src/images/0.gif b/tankWar/src/images/0.gif
new file mode 100644
index 0000000..79c5218
Binary files /dev/null and b/tankWar/src/images/0.gif differ
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--- /dev/null
+++ b/tankWar/src/test/ImageTest.java
@@ -0,0 +1,33 @@
+package test;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * 读取图片测试类
+ */
+class ImageTest {
+
+	@Test
+	void test() {
+		
+		try {
+			// 读取图片路径写死，不推荐
+//			BufferedImage image = ImageIO.read(new File("C:/work/javaprojects/Tank_60/src/images/bulletD.gif"));
+//			assertNotNull(image);
+			
+			BufferedImage image2 = ImageIO.read(ImageTest.class.getClassLoader().getResourceAsStream("images/bulletD.gif"));
+			assertNotNull(image2);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+}