diff --git a/s-day10/src/com/inmind/object_stream03/Student.java b/s-day10/src/com/inmind/object_stream03/Student.java
index a217886..0b75d9b 100644
--- a/s-day10/src/com/inmind/object_stream03/Student.java
+++ b/s-day10/src/com/inmind/object_stream03/Student.java
@@ -1,8 +1,13 @@
 package com.inmind.object_stream03;
 
+import java.io.Serial;
 import java.io.Serializable;
 
 public class Student implements Serializable {
+    @Serial
+    //固定一个序列化版本号即可
+    private static final long serialVersionUID = 7364427652531553411L;
+
     String name;
     int age;
     /*
@@ -33,4 +38,9 @@ public class Student implements Serializable {
         this.name = name;
         this.age = age;
     }
+
+
+    public void method(){
+        System.out.println(1);
+    }
 }