diff --git a/src/main/java/com/kamco/cd/kamcoback/code/dto/CommonCodeDto.java b/src/main/java/com/kamco/cd/kamcoback/code/dto/CommonCodeDto.java
index 244cd71a..b30cf2db 100644
--- a/src/main/java/com/kamco/cd/kamcoback/code/dto/CommonCodeDto.java
+++ b/src/main/java/com/kamco/cd/kamcoback/code/dto/CommonCodeDto.java
@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.kamco.cd.kamcoback.common.utils.interfaces.JsonFormatDttm;
 import com.kamco.cd.kamcoback.postgres.entity.CommonCodeEntity;
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.Valid;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.PositiveOrZero;
@@ -53,6 +54,7 @@ public class CommonCodeDto {
   @NoArgsConstructor
   @AllArgsConstructor
   public static class OrderReq {
+    @Valid
     List<OrderReqDetail> orders;
   }
 
diff --git a/src/main/java/com/kamco/cd/kamcoback/code/service/CommonCodeService.java b/src/main/java/com/kamco/cd/kamcoback/code/service/CommonCodeService.java
index ed779e35..54261d81 100644
--- a/src/main/java/com/kamco/cd/kamcoback/code/service/CommonCodeService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/code/service/CommonCodeService.java
@@ -1,6 +1,9 @@
 package com.kamco.cd.kamcoback.code.service;
 
-import com.kamco.cd.kamcoback.code.dto.CommonCodeDto;
+import com.kamco.cd.kamcoback.code.dto.CommonCodeDto.AddReq;
+import com.kamco.cd.kamcoback.code.dto.CommonCodeDto.Basic;
+import com.kamco.cd.kamcoback.code.dto.CommonCodeDto.ModifyReq;
+import com.kamco.cd.kamcoback.code.dto.CommonCodeDto.OrderReq;
 import com.kamco.cd.kamcoback.postgres.core.CommonCodeCoreService;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
@@ -17,18 +20,18 @@ public class CommonCodeService {
 
   /**
    * 공통코드 목록 조회
-   * @return
+   * @return 모튼 코드 정보
    */
-  public List<CommonCodeDto.Basic> getFindAll() {
+  public List<Basic> getFindAll() {
     return commonCodeCoreService.findAll();
   }
 
   /**
    * 공통코드 단건 조회
    * @param id
-   * @return
+   * @return 코드 아이디로 조회한 코드 정보
    */
-  public CommonCodeDto.Basic getOneById(Long id) {
+  public Basic getOneById(Long id) {
     return commonCodeCoreService.getOneById(id);
   }
 
@@ -38,7 +41,7 @@ public class CommonCodeService {
    * @return 생성된 코드 id
    */
   @Transactional
-  public Long save(CommonCodeDto.AddReq req) {
+  public Long save(AddReq req) {
     return commonCodeCoreService.save(req).getId();
   }
 
@@ -46,11 +49,10 @@ public class CommonCodeService {
    * 공통코드 수정 요청
    * @param id 코드 아이디
    * @param req 수정요청 정보
-   * @return
    */
   @Transactional
-  public Long update(Long id, CommonCodeDto.ModifyReq req) {
-    return commonCodeCoreService.update(id, req).getId();
+  public void update(Long id, ModifyReq req) {
+    commonCodeCoreService.update(id, req);
   }
 
   /**
@@ -64,19 +66,19 @@ public class CommonCodeService {
 
   /**
    * 공통코드 순서 변경
-   * @param req
+   * @param req id, order 정보를 가진 List
    */
   @Transactional
-  public void updateOrder(CommonCodeDto.OrderReq req) {
+  public void updateOrder(OrderReq req) {
     commonCodeCoreService.updateOrder(req);
   }
 
   /**
    * 코드기반 조회
-   * @param code
-   * @return
+   * @param code 코드
+   * @return 코드로 조회한 공통코드 정보
    */
-  public List<CommonCodeDto.Basic> findByCode(String code) {
+  public List<Basic> findByCode(String code) {
     return commonCodeCoreService.findByCode(code);
   }
 }
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/core/CommonCodeCoreService.java b/src/main/java/com/kamco/cd/kamcoback/postgres/core/CommonCodeCoreService.java
index 59705297..743ce101 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/core/CommonCodeCoreService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/core/CommonCodeCoreService.java
@@ -8,7 +8,6 @@ import com.kamco.cd.kamcoback.postgres.repository.CommonCodeRepository;
 import com.kamco.cd.kamcoback.zoo.dto.AnimalDto.SearchReq;
 import jakarta.persistence.EntityNotFoundException;
 import java.util.List;
-import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Service;