diff --git a/plan/4.3. study_plan-week-3-summary.md b/plan/4.3. study_plan-week-3-summary.md
index f9f35e9..8771a72 100644
--- a/plan/4.3. study_plan-week-3-summary.md	
+++ b/plan/4.3. study_plan-week-3-summary.md	
@@ -8,11 +8,12 @@
   - **3.1.4.** ManyToOne, OneToMany 사용
 - **3.2.** Spring Boot 테스트 코드 작성
   - **3.2.1.** 단위 테스트 (Unit Test) 작성
+    - **3.2.1.1.** 테스트 관점에서의 Request, Response DTO 클래스 작성의 필요성
   - **3.2.2.** 통합 테스트 (Integration Test) 작성
   - **3.2.3.** MockMvc 사용
 - **3.3.** RESTful API 설계 및 구현
   - **3.3.1.** RESTful API 기본 원칙
-  - **3.3.2.** Request, Response DTO 클래스 작성
+    - **3.3.1.1.** 데이터 전송 관점에서의 Request, Response DTO 클래스 작성
   - **3.3.3.** API 예외 처리
   - **3.3.4.** Spring Validation 사용
   - **3.3.5.** Converter 사용
diff --git a/spring-boot/src/main/java/com/mpc/springboot/member/domain/entity/Member.java b/spring-boot/src/main/java/com/mpc/springboot/member/domain/entity/Member.java
index d8e9c78..16cf9f1 100644
--- a/spring-boot/src/main/java/com/mpc/springboot/member/domain/entity/Member.java
+++ b/spring-boot/src/main/java/com/mpc/springboot/member/domain/entity/Member.java
@@ -27,6 +27,15 @@ public class Member {
 
     @Embedded
     private AuditFields auditFields = new AuditFields();
+
+    private Member(MemberCode code, MemberName name) {
+        this.code = code;
+        this.name = name;
+    }
+
+    public static Member of(MemberCode code, MemberName name) {
+        return new Member(code, name);
+    }
 }
 
 
diff --git a/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberCode.java b/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberCode.java
index 41d176d..ddfab24 100644
--- a/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberCode.java
+++ b/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberCode.java
@@ -7,4 +7,8 @@
 @RequiredArgsConstructor
 public class MemberCode {
     private final String value;
+
+    public static MemberCode of(String value) {
+        return new MemberCode(value);
+    }
 }
diff --git a/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberName.java b/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberName.java
index 6a0775a..7d7f36c 100644
--- a/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberName.java
+++ b/spring-boot/src/main/java/com/mpc/springboot/member/domain/vo/MemberName.java
@@ -16,4 +16,13 @@ public class MemberName {
     public String getFullName() {
         return firstName + " " + lastName;
     }
+
+    private MemberName(String firstName, String lastName) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public static MemberName of(String firstName, String lastName) {
+        return new MemberName(firstName, lastName);
+    }
 }
diff --git a/spring-boot/src/main/java/com/mpc/springboot/shared/domain/AuditFields.java b/spring-boot/src/main/java/com/mpc/springboot/shared/domain/AuditFields.java
index db76ac6..0c0b350 100644
--- a/spring-boot/src/main/java/com/mpc/springboot/shared/domain/AuditFields.java
+++ b/spring-boot/src/main/java/com/mpc/springboot/shared/domain/AuditFields.java
@@ -3,8 +3,7 @@
 import jakarta.persistence.Column;
 import jakarta.persistence.Embeddable;
 
-import lombok.Getter;
-import lombok.NoArgsConstructor;
+import lombok.*;
 import org.springframework.data.annotation.CreatedBy;
 import org.springframework.data.annotation.LastModifiedBy;
 import org.springframework.data.annotation.CreatedDate;