diff --git a/pom.xml b/pom.xml
index c20b489..adff797 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,8 +70,14 @@
             <version>5.6.0</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.76</version>
+        </dependency>
     </dependencies>
 
+
     <build>
         <plugins>
             <plugin>
diff --git a/src/main/java/com/github/hcsp/encapsulation/Main.java b/src/main/java/com/github/hcsp/encapsulation/Main.java
index 51ce4a1..d8483fc 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Main.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Main.java
@@ -1,5 +1,7 @@
 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 +28,16 @@ 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) {
+        String jsonToString = JSON.toJSONString(student);
+        return  jsonToString;
+
+
+    }
+
     // 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) {
+        Student stringToJson = JSON.parseObject(json,Student.class);
+        return stringToJson;
+    }
 }
diff --git a/src/main/java/com/github/hcsp/encapsulation/Student.java b/src/main/java/com/github/hcsp/encapsulation/Student.java
index 85d2f55..f5e150f 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Student.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Student.java
@@ -10,4 +10,45 @@ 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;
+    }
+
+    public boolean isFail() {
+        if (score < 60) {
+            return true;
+        } else {
+            return false;
+        }
+
+
+
+    }
+
+    public void setFail(boolean fail) {
+        Fail = fail;
+    }
 }