feat(装饰着模式）：调整

java/com/kongxiang/raindrop/dp/type/structure/decorator/DanceDecorator.java

@@ -22,4 +22,8 @@ public class DanceDecorator extends CaiyiDecorator {
         person.show();
         System.out.println("开始跳起动律十足的 铁山靠舞蹈。。。");
     }
+
+    public void newBehavior(){
+        System.out.println("阿里巴巴-迪克牛仔舞跳起来。。。");
+    }
 }

java/com/kongxiang/raindrop/dp/type/structure/decorator/ShowTime.java

@@ -13,11 +13,13 @@ public class ShowTime {
         player1 = new SongDecorator(player1);
         player1 = new DanceDecorator(player1);
 
-
+        // 现学
         player1.study();
-
-
+        // 现卖
         player1.show();
+        //再来跳一个 舞者专属技能
+        DanceDecorator decorator = (DanceDecorator) player1;
+        decorator.newBehavior();
 
 
     }