diff --git a/day11/src/com/inmind/class_member_var09/Demo07.java b/day11/src/com/inmind/class_member_var09/Demo07.java
index f6ce951..5e8d230 100644
--- a/day11/src/com/inmind/class_member_var09/Demo07.java
+++ b/day11/src/com/inmind/class_member_var09/Demo07.java
@@ -21,6 +21,24 @@ public class Demo07 {
         //boss回击
         hero.protect();
 
+        System.out.println("BOSS掉落了一本技能书");
+        Skill skill = new Skill() {
+            @Override
+            public void outSkill() {
+                System.out.println("施放野火燎原技能，团队伤害9999");
+            }
+
+            @Override
+            public String getName() {
+                return "野火燎原";
+            }
+        };
+        //装备技能
+        hero.setSkill(skill);
+        //英雄获取自己的技能，并施放
+        hero.getSkill().outSkill();
+
+
         System.out.println("游戏结束");
 
     }
diff --git a/day11/src/com/inmind/class_member_var09/Hero.java b/day11/src/com/inmind/class_member_var09/Hero.java
index 261e99c..a17c0c0 100644
--- a/day11/src/com/inmind/class_member_var09/Hero.java
+++ b/day11/src/com/inmind/class_member_var09/Hero.java
@@ -9,6 +9,17 @@ public class Hero {
 
     //背包
     private ArrayList<Weapon> weapons;
+    //拥有技能
+    private Skill skill;
+
+    public Skill getSkill() {
+        return skill;
+    }
+
+    public void setSkill(Skill skill) {
+        this.skill = skill;
+        System.out.println("英雄"+this.name+"装备了技能-"+this.skill.getName());
+    }
 
     public Hero() {
     }
diff --git a/day11/src/com/inmind/class_member_var09/Skill.java b/day11/src/com/inmind/class_member_var09/Skill.java
new file mode 100644
index 0000000..3a92f82
--- /dev/null
+++ b/day11/src/com/inmind/class_member_var09/Skill.java
@@ -0,0 +1,8 @@
+package com.inmind.class_member_var09;
+
+public interface Skill {
+    //施放技能的方法
+    void outSkill();
+
+    String getName();
+}