diff --git a/rc/main/java/cn/edu/zust/dubbo/Singleton.java b/rc/main/java/cn/edu/zust/dubbo/Singleton.java
deleted file mode 100644
index 9b2025e..0000000
--- a/rc/main/java/cn/edu/zust/dubbo/Singleton.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package cn.edu.zust.dubbo;
-
-public class SingletonPattern {
-    // 单例模式实现示例
-    private static SingletonPattern instance;
-    
-    private SingletonPattern() {}  // 私有构造函数
-    
-    public static SingletonPattern getInstance() {
-        if (instance == null) {
-            instance = new SingletonPattern();
-        }
-        return instance;
-    }
-    
-    public void showMessage() {
-        System.out.println("Singleton Pattern Demo");
-    }
-    
-    // 程序入口
-    public static void main(String[] args) {
-        SingletonPattern singleton = SingletonPattern.getInstance();
-        singleton.showMessage();
-    }
-}