diff --git a/docs/坦克大战笔记.docx b/docs/坦克大战笔记.docx
index 5877f80..3a03856 100644
Binary files a/docs/坦克大战笔记.docx and b/docs/坦克大战笔记.docx differ
diff --git a/src/com/demo/tank/course6/Tank.java b/src/com/demo/tank/course6/Tank.java
index 74ca8a6..de73c5c 100644
--- a/src/com/demo/tank/course6/Tank.java
+++ b/src/com/demo/tank/course6/Tank.java
@@ -1,9 +1,10 @@
 package com.demo.tank.course6;
 
-import com.demo.tank.course6.strategy.FireStrategy;
-import com.demo.tank.course6.strategy.FourDirectionFireStrategy;
+import com.demo.tank.strategy.DefaultFireStrategy;
+import com.demo.tank.strategy.FireStrategy;
 import com.demo.tank.enums.Direction;
 import com.demo.tank.enums.Group;
+import com.demo.tank.util.PropertyManager;
 import com.demo.tank.util.ResourceManager;
 
 import java.awt.*;
@@ -21,8 +22,7 @@ public class Tank {
     public static final int HEIGHT = ResourceManager.tankD.getHeight();
     private Random random = new Random();
     Rectangle rect = new Rectangle();
-//    FireStrategy fireStrategy = new DefaultFireStrategy();
-    FireStrategy fireStrategy = new FourDirectionFireStrategy();
+    FireStrategy fireStrategy;
 
 
     public Tank(int x, int y, Direction dir, Group group, TankFrameV6 tankFrame) {
@@ -36,6 +36,20 @@ public class Tank {
         rect.y = this.y;
         rect.width = Tank.WIDTH;
         rect.height = Tank.HEIGHT;
+
+        if(this.group == Group.GOOD) {
+            String className = PropertyManager.getString("good.tank.fire.strategy");
+            try {
+                fireStrategy = (FireStrategy) Class.forName(className).newInstance();
+                System.out.println(fireStrategy);
+            } catch (ClassNotFoundException e) {
+                e.printStackTrace();
+            } catch (InstantiationException e) {
+                e.printStackTrace();
+            } catch (IllegalAccessException e) {
+               e.printStackTrace();
+            }
+        }else if(this.group == Group.BAD) fireStrategy = new DefaultFireStrategy();
     }
 
     public void paint(Graphics g) {
diff --git a/src/com/demo/tank/course6/strategy/DefaultFireStrategy.java b/src/com/demo/tank/strategy/DefaultFireStrategy.java
similarity index 93%
rename from src/com/demo/tank/course6/strategy/DefaultFireStrategy.java
rename to src/com/demo/tank/strategy/DefaultFireStrategy.java
index 7413b97..d2480f0 100644
--- a/src/com/demo/tank/course6/strategy/DefaultFireStrategy.java
+++ b/src/com/demo/tank/strategy/DefaultFireStrategy.java
@@ -1,4 +1,4 @@
-package com.demo.tank.course6.strategy;
+package com.demo.tank.strategy;
 
 import com.demo.tank.course6.Bullet;
 import com.demo.tank.enums.Group;
diff --git a/src/com/demo/tank/course6/strategy/FireStrategy.java b/src/com/demo/tank/strategy/FireStrategy.java
similarity index 70%
rename from src/com/demo/tank/course6/strategy/FireStrategy.java
rename to src/com/demo/tank/strategy/FireStrategy.java
index 4548cb4..fa656fd 100644
--- a/src/com/demo/tank/course6/strategy/FireStrategy.java
+++ b/src/com/demo/tank/strategy/FireStrategy.java
@@ -1,4 +1,4 @@
-package com.demo.tank.course6.strategy;
+package com.demo.tank.strategy;
 
 import com.demo.tank.course6.Tank;
 
diff --git a/src/com/demo/tank/course6/strategy/FourDirectionFireStrategy.java b/src/com/demo/tank/strategy/FourDirectionFireStrategy.java
similarity index 94%
rename from src/com/demo/tank/course6/strategy/FourDirectionFireStrategy.java
rename to src/com/demo/tank/strategy/FourDirectionFireStrategy.java
index 0d0cdeb..c364119 100644
--- a/src/com/demo/tank/course6/strategy/FourDirectionFireStrategy.java
+++ b/src/com/demo/tank/strategy/FourDirectionFireStrategy.java
@@ -1,4 +1,4 @@
-package com.demo.tank.course6.strategy;
+package com.demo.tank.strategy;
 
 import com.demo.tank.course6.Bullet;
 import com.demo.tank.enums.Direction;
diff --git a/src/com/demo/tank/util/PropertyManager.java b/src/com/demo/tank/util/PropertyManager.java
index c0abe45..8361e4e 100644
--- a/src/com/demo/tank/util/PropertyManager.java
+++ b/src/com/demo/tank/util/PropertyManager.java
@@ -19,4 +19,9 @@ public class PropertyManager {
         if(property == null) return 0;
         return Integer.valueOf((String)property.get(key));
     }
+
+    public static String getString(String key){
+        if(property == null) return "";
+        return (String)property.get(key);
+    }
 }
diff --git a/src/config b/src/config
index 00285eb..0fb47e7 100644
--- a/src/config
+++ b/src/config
@@ -2,4 +2,6 @@ enemy.tank.number=8
 tank.speed=5
 bullet.speed=5
 game.width=1080
-game.height=720
\ No newline at end of file
+game.height=720
+good.tank.fire.strategy=com.demo.tank.strategy.FourDirectionFireStrategy
+bad.tank.fire.strategy=com.demo.tank.strategy.DefaultFireStrategy
\ No newline at end of file