diff --git a/src/main/java/com/github/hcsp/encapsulation/UserBuilder.java b/src/main/java/com/github/hcsp/encapsulation/UserBuilder.java
index e3d4a8c..c3d86b3 100644
--- a/src/main/java/com/github/hcsp/encapsulation/UserBuilder.java
+++ b/src/main/java/com/github/hcsp/encapsulation/UserBuilder.java
@@ -1,6 +1,54 @@
 package com.github.hcsp.encapsulation;
 
 public class UserBuilder {
+    private  String firstName;
+    /** 用户的姓 */
+    private  String lastName;
+
+    /** 用户的电话 */
+    private  String phoneNumber;
+
+    /** 用户的地址 */
+    private  String address;
+
+    public UserBuilder firstName(String firstName){
+        this.firstName = firstName;
+        return this;
+    }
+
+    public UserBuilder lastName(String lastName){
+        this.lastName = lastName;
+        return this;
+    }
+    public UserBuilder phoneNumber(String phoneNumber){
+        this.phoneNumber = phoneNumber;
+        return this;
+    }
+    public UserBuilder address(String address){
+        this.address = address;
+        return this;
+    }
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public String getPhoneNumber() {
+        return phoneNumber;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+
+    public User build() {
+        return new User(this.getFirstName(),this.getLastName(),this.getPhoneNumber(),this.getAddress());
+    }
+
     // 请在这里使用builder模式建造User对象
     // 所需的接口请参阅UserBuilderTest测试类
 }