diff --git a/pom.xml b/pom.xml
index 975f8e6..c20b489 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,6 +56,7 @@
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
             <version>1.2.58</version>
+            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
diff --git a/src/main/java/com/github/hcsp/encapsulation/Main.java b/src/main/java/com/github/hcsp/encapsulation/Main.java
index a388aa9..51ce4a1 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Main.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Main.java
@@ -1,7 +1,5 @@
 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
@@ -27,14 +25,8 @@ 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) {
-        return JSON.toJSONString(student);
-    }
-
+    public static String serialize(Student student) {}
     // 反序列化：将JSON字符串转换成Student对象
-    public static Student deserialize(String json) {
-        return JSON.parseObject(json, Student.class);
-    }
+    public static Student deserialize(String json) {}
 }
diff --git a/src/main/java/com/github/hcsp/encapsulation/Student.java b/src/main/java/com/github/hcsp/encapsulation/Student.java
index 4b8ce08..85d2f55 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Student.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Student.java
@@ -2,46 +2,12 @@
 
 public class Student {
     // 请按照Main类的要求，补全本类
-    /**
-     * 姓名
-     */
+    /** 姓名 */
     private String name;
 
-    /**
-     * 是否重考。true为重考，falase为非重考。
-     */
+    /** 是否重考。true为重考，falase为非重考。 */
     private boolean retakingExam;
 
-    /**
-     * 分数
-     */
+    /** 分数 */
     private int score;
-
-    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;
-    }
-
-    public boolean isFail() {
-        return score < 60;
-    }
 }