diff --git a/resources/img/ShrinkPotion.png b/resources/img/ShrinkPotion.png
new file mode 100644
index 0000000..cc482a9
Binary files /dev/null and b/resources/img/ShrinkPotion.png differ
diff --git a/src/main/java/com/kingyu/flappybird/component/Bird.java b/src/main/java/com/kingyu/flappybird/component/Bird.java
index 2c8ec20..781f69c 100644
--- a/src/main/java/com/kingyu/flappybird/component/Bird.java
+++ b/src/main/java/com/kingyu/flappybird/component/Bird.java
@@ -33,6 +33,7 @@ public class Bird {
     public static final int BIRD_FALL = 2;
     public static final int BIRD_DEAD_FALL = 3;
     public static final int BIRD_DEAD = 4;
+    private boolean shrinkEffect; // 缩小药水效果标志
 
     private final Rectangle birdCollisionRect; // 碰撞矩形
     public static final int RECT_DESCALE = 2; // 补偿碰撞矩形宽高的参数
@@ -211,4 +212,18 @@ public int getBirdX() {
     public Rectangle getBirdCollisionRect() {
         return birdCollisionRect;
     }
+
+    // 处理碰撞到缩小药水的逻辑
+    public void handleShrinkEffect() {
+        if (shrinkEffect) {
+            // 处理缩小药水效果，例如减小鸟的面积
+            // ...
+            shrinkEffect = false; // 关闭缩小药水效果
+        }
+    }
+
+    // 设置缩小药水效果
+    public void setShrinkEffect(boolean shrinkEffect) {
+        this.shrinkEffect = shrinkEffect;
+    }
 }
diff --git a/src/main/java/com/kingyu/flappybird/component/GameElementLayer.java b/src/main/java/com/kingyu/flappybird/component/GameElementLayer.java
index ba30d1c..58e1144 100644
--- a/src/main/java/com/kingyu/flappybird/component/GameElementLayer.java
+++ b/src/main/java/com/kingyu/flappybird/component/GameElementLayer.java
@@ -15,10 +15,12 @@
 
 public class GameElementLayer {
     private final List<Pipe> pipes; // 水管的容器
-
+    private final List<ShrinkPotion> potions; // 缩小药水的容器
+    private int shrinkPotionCounter; // 计数器，用于控制缩小药水的生成
     // 构造器
     public GameElementLayer() {
         pipes = new ArrayList<>();
+        potions = new ArrayList<>();
     }
 
     // 绘制方法
@@ -34,6 +36,8 @@ public void draw(Graphics g, Bird bird) {
                 i--;
             }
         }
+        // 生成和绘制缩小药水
+        generateAndDrawShrinkPotion(g, bird);
         // 碰撞检测
         isCollideBird(bird);
         pipeBornLogic(bird);
@@ -226,4 +230,38 @@ public void reset() {
         }
         pipes.clear();
     }
+
+    // 生成和绘制缩小药水
+    private void generateAndDrawShrinkPotion(Graphics g, Bird bird) {
+        shrinkPotionCounter++;
+
+        if (shrinkPotionCounter % 10 == 0) { // 每十轮刷新一个缩小药水
+            ShrinkPotion potion = new ShrinkPotion();
+            // 设置缩小药水的位置
+            int x = Constant.FRAME_WIDTH + Constant.FRAME_WIDTH / 2; // 在屏幕外右侧生成
+            int y = GameUtil.getRandomNumber(Constant.FRAME_HEIGHT / 6, Constant.FRAME_HEIGHT * 5 / 6);
+            potion.setAttribute(x, y); // 假设 POTION_HEIGHT 为缩小药水的高度
+            potions.add(potion);
+        }
+
+        // 遍历并绘制缩小药水
+        for (int i = 0; i < potions.size(); i++) {
+            ShrinkPotion potion = potions.get(i);
+            if (potion.isInFrame()) {
+                potion.draw(g);
+                potion.move();
+            } else {
+                potions.remove(i);
+                i--;
+            }
+
+            // 处理碰撞逻辑
+            if (potion.getRect().intersects(bird.getBirdCollisionRect())) {
+                bird.setShrinkEffect(true); // 启用缩小药水效果
+                // 可以根据需要添加其他逻辑，例如播放音效等
+                potions.remove(i);
+                i--;
+            }
+        }
+    }
 }
diff --git a/src/main/java/com/kingyu/flappybird/component/ShrinkPotion.java b/src/main/java/com/kingyu/flappybird/component/ShrinkPotion.java
new file mode 100644
index 0000000..a6cb0ff
--- /dev/null
+++ b/src/main/java/com/kingyu/flappybird/component/ShrinkPotion.java
@@ -0,0 +1,66 @@
+package com.kingyu.flappybird.component;
+
+import java.awt.Graphics;
+import java.awt.Rectangle;
+import java.awt.image.BufferedImage;
+
+import com.kingyu.flappybird.util.Constant;
+import com.kingyu.flappybird.util.GameUtil;
+
+/**
+ * ��Сҩˮ�࣬��������Сҩˮ�ͻ�ʹ������ͼ�С������֮һ
+ */
+public class ShrinkPotion {
+    int x; // ��Сҩˮ�ĺ�����
+    int y; // ��Сҩˮ��������
+
+    int width;
+    int speed;
+    private static BufferedImage img; // ��Сҩˮ��ͼƬ
+    public static final int POTION_WIDTH = img.getWidth();
+    public static final int POTION_HEIGHT = img.getHeight();
+    private Rectangle potionRect; // ������ײ���ľ���
+
+    // ���췽������ʼ����Сҩˮ��λ�ú�ͼƬ
+    public ShrinkPotion() {
+        this.speed = Constant.GAME_SPEED;
+        this.width = POTION_WIDTH;
+        potionRect = new Rectangle();
+        potionRect.width = POTION_WIDTH;
+    }
+
+    public void setAttribute(int x, int y) {
+        this.x = x;
+        this.y = y;
+        setRectangle(this.x, this.y, POTION_HEIGHT);
+    }
+    public void setRectangle(int x, int y, int height) {
+        potionRect.x = x;
+        potionRect.y = y;
+        potionRect.height = height;
+    }
+
+    // ������Сҩˮ
+    public void draw(Graphics g) {
+        g.drawImage(img, x, y, null);
+    }
+
+    // ��ȡ��Сҩˮ�ľ��Σ�������ײ���
+    public Rectangle getRect() {
+        return potionRect;
+    }
+
+    // ��Сҩˮ���ƶ������Ը�����Ҫ�����ض����ƶ��߼�
+    public void move() {
+        // ����򵥵������ƶ�������Ը�����Ϸ�����޸��ƶ��߼�
+        int speed = Constant.GAME_SPEED;
+        x -= speed;
+        potionRect.setLocation(x, y);
+    }
+
+
+    // �ж���Сҩˮ�Ƿ���ȫ�����ڴ�����
+    public boolean isInFrame() {
+        return x + img.getWidth() > 0;
+    }
+}
diff --git a/src/main/java/com/kingyu/flappybird/util/Constant.java b/src/main/java/com/kingyu/flappybird/util/Constant.java
index f762bf2..3df4e65 100644
--- a/src/main/java/com/kingyu/flappybird/util/Constant.java
+++ b/src/main/java/com/kingyu/flappybird/util/Constant.java
@@ -49,6 +49,7 @@ public class Constant {
 	public static final String SCORE_IMG_PATH = "resources/img/score.png";
 	public static final String OVER_IMG_PATH = "resources/img/over.png";
 	public static final String AGAIN_IMG_PATH = "resources/img/again.png";
+	public static final String SHRINK_POTION_IMG_PATH = "resources/img/ShrinkPotion.png";
 
 	public static final String SCORE_FILE_PATH = "resources/score"; // 分数文件路径
 
@@ -77,4 +78,5 @@ public class Constant {
 	public static final Font CURRENT_SCORE_FONT = new Font("华文琥珀", Font.BOLD, 32);// 字体
 	public static final Font SCORE_FONT = new Font("华文琥珀", Font.BOLD, 24);// 字体
 
+
 }