diff --git a/src/main/java/com/msb/TankDemo.java b/src/main/java/com/msb/TankDemo.java
index 725b1a8..bbe5b64 100644
--- a/src/main/java/com/msb/TankDemo.java
+++ b/src/main/java/com/msb/TankDemo.java
@@ -13,7 +13,7 @@ public class TankDemo {
          //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(1000);
+             Thread.sleep(500);
              tankFrame.repaint();
          }
     }
diff --git a/src/main/java/com/msb/decorator/RectDecorator.java b/src/main/java/com/msb/decorator/RectDecorator.java
index 1a02426..113eb7f 100644
--- a/src/main/java/com/msb/decorator/RectDecorator.java
+++ b/src/main/java/com/msb/decorator/RectDecorator.java
@@ -24,8 +24,10 @@ public class RectDecorator extends GODecoratory {
 
     @Override
     public void paint(Graphics g) {
-        this.x = gameObject.x;
-        this.y = gameObject.y;
+        /*this.x = gameObject.x;
+        this.y = gameObject.y;*/
+        this.x = super.gameObject.x;
+        this.y = super.gameObject.y;
         gameObject.paint(g);     //原来的样式
 
         //需要装饰的样式
@@ -45,4 +47,5 @@ public class RectDecorator extends GODecoratory {
     public int getHeight() {
         return super.gameObject.getHeight();
     }
+
 }
diff --git a/src/main/java/com/msb/decorator/TailDecorator.java b/src/main/java/com/msb/decorator/TailDecorator.java
index c7d3cd2..38f595d 100644
--- a/src/main/java/com/msb/decorator/TailDecorator.java
+++ b/src/main/java/com/msb/decorator/TailDecorator.java
@@ -24,8 +24,10 @@ public class TailDecorator extends GODecoratory {
 
     @Override
     public void paint(Graphics g) {
-        this.x = gameObject.x;
-        this.y = gameObject.y;
+        /*this.x = gameObject.x;
+        this.y = gameObject.y;*/
+        this.x = super.gameObject.x;
+        this.y = super.gameObject.y;
         gameObject.paint(g);     //原来的样式
 
         //需要装饰的样式
@@ -46,4 +48,5 @@ public class TailDecorator extends GODecoratory {
     public int getHeight() {
         return super.gameObject.getHeight();
     }
+
 }
diff --git a/src/main/java/com/msb/inter/impl/FourFireStrategy.java b/src/main/java/com/msb/inter/impl/FourFireStrategy.java
index 5134847..7a555d3 100644
--- a/src/main/java/com/msb/inter/impl/FourFireStrategy.java
+++ b/src/main/java/com/msb/inter/impl/FourFireStrategy.java
@@ -6,6 +6,7 @@ package com.msb.inter.impl;/**
  */
 
 import com.msb.model.Bullet;
+import com.msb.model.GameModel;
 import com.msb.model.Tank;
 import com.msb.enums.DirEnum;
 import com.msb.inter.FireStrategy;
@@ -25,6 +26,7 @@ public class FourFireStrategy implements FireStrategy {
         for (DirEnum value : DirEnum.values()) {
 //            new Bullet(bX, bY, value, tank.getGroup(), tank.getGameModel());
             new Bullet(bX, bY, value, tank.getGroup());
+//            GameModel.INSTANCE.add(new Bullet(bX, bY, value, tank.getGroup()));
         }
     }
 }