diff --git a/day09/src/com/inmind/extends_memberv02/Demo03.java b/day09/src/com/inmind/extends_memberv02/Demo03.java
index 9ee2b5a..e17f5b3 100644
--- a/day09/src/com/inmind/extends_memberv02/Demo03.java
+++ b/day09/src/com/inmind/extends_memberv02/Demo03.java
@@ -18,5 +18,7 @@ public class Demo03 {
 
         zi.methodZi();
         zi.methodFu();
+        System.out.println("---------------");
+        zi.method();
     }
 }
diff --git a/day09/src/com/inmind/extends_memberv02/Zi.java b/day09/src/com/inmind/extends_memberv02/Zi.java
index 1e77a84..182111d 100644
--- a/day09/src/com/inmind/extends_memberv02/Zi.java
+++ b/day09/src/com/inmind/extends_memberv02/Zi.java
@@ -1,4 +1,7 @@
 package com.inmind.extends_memberv02;
+/*
+区分子类方法中重名的三种变量
+ */
 
 public class Zi extends Fu{
     int numZi = 20;
@@ -9,4 +12,12 @@ public class Zi extends Fu{
         System.out.println(numFu);
         System.out.println(num);
     }
+
+    public void method(){
+        int num = 50;//局部变量
+        //注意：在java中访问变量时遇到同名变量有个规律：就近原则
+        System.out.println(num);
+        System.out.println(this.num);//获取本类的成员变量
+        System.out.println(super.num);//获取父类的成员变量
+    }
 }