diff --git a/src/main/java/com/github/hcsp/encapsulation/Main.java b/src/main/java/com/github/hcsp/encapsulation/Main.java
index 51ce4a1..b210959 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Main.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Main.java
@@ -1,5 +1,8 @@
 package com.github.hcsp.encapsulation;
 
+
+import com.alibaba.fastjson.JSON;
+
 public class Main {
     /*
          假设你正在为学校开发一个学生分数记录系统
@@ -26,7 +29,12 @@ public static void main(String[] args) {
         student = deserialize(json);
     }
     // 序列化：将Student类转换成JSON字符串
-    public static String serialize(Student student) {}
+    public static String serialize(Student student) {
+        return JSON.toJSONString(student);
+
+    }
     // 反序列化：将JSON字符串转换成Student对象
-    public static Student deserialize(String json) {}
+    public static Student deserialize(String json) {
+        return  JSON.parseObject(json,Student.class);
+    }
 }
diff --git a/src/main/java/com/github/hcsp/encapsulation/Student.java b/src/main/java/com/github/hcsp/encapsulation/Student.java
index 85d2f55..223b90e 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Student.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Student.java
@@ -10,4 +10,43 @@ public class Student {
 
     /** 分数 */
     private int score;
+
+    private boolean fail;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public boolean isRetakingExam() {
+        return retakingExam;
+    }
+
+    public void setRetakingExam(boolean retakingExam) {
+        this.retakingExam = retakingExam;
+    }
+
+    public int getScore() {
+        return score;
+    }
+
+    public void setScore(int score) {
+        this.score = score;
+        if (score < 60) {
+            this.fail = true;
+        } else {
+            this.fail = false;
+        }
+    }
+
+    public boolean isFail() {
+        return fail;
+    }
+
+    public void setFail(boolean fail) {
+        this.fail = fail;
+    }
 }