diff --git a/src/main/java/com/rest/api/advice/ExceptionAdvice.java b/src/main/java/com/rest/api/advice/ExceptionAdvice.java
index 7a67389..c0b475a 100644
--- a/src/main/java/com/rest/api/advice/ExceptionAdvice.java
+++ b/src/main/java/com/rest/api/advice/ExceptionAdvice.java
@@ -27,6 +27,7 @@ public class ExceptionAdvice {
     @ExceptionHandler(Exception.class)
     @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
     protected CommonResult defaultException(HttpServletRequest request, Exception e) {
+        // 예외 처리의 메시지를 MessageSource에서 가져오도록 수정
         return responseService.getFailResult(Integer.valueOf(getMessage("unKnown.code")), getMessage("unKnown.msg"));
     }
 
@@ -54,10 +55,11 @@ public class ExceptionAdvice {
         return responseService.getFailResult(Integer.valueOf(getMessage("accessDenied.code")), getMessage("accessDenied.msg"));
     }
 
+    // code정보에 해당하는 메시지를 조회합니다.
     private String getMessage(String code) {
         return getMessage(code, null);
     }
-
+    // code정보, 추가 argument로 현재 locale에 맞는 메시지를 조회합니다.
     private String getMessage(String code, Object[] args) {
         return messageSource.getMessage(code, args, LocaleContextHolder.getLocale());
     }
diff --git a/src/main/java/com/rest/api/controller/v1/UserController.java b/src/main/java/com/rest/api/controller/v1/UserController.java
index 328dd6b..6e91ad3 100644
--- a/src/main/java/com/rest/api/controller/v1/UserController.java
+++ b/src/main/java/com/rest/api/controller/v1/UserController.java
@@ -72,3 +72,4 @@ public class UserController {
         return responseService.getSuccessResult();
     }
 }
+
diff --git a/src/main/java/com/rest/api/repo/UserJpaRepo.java b/src/main/java/com/rest/api/repo/UserJpaRepo.java
index 2eb6ffa..3a267ec 100644
--- a/src/main/java/com/rest/api/repo/UserJpaRepo.java
+++ b/src/main/java/com/rest/api/repo/UserJpaRepo.java
@@ -2,7 +2,6 @@ package com.rest.api.repo;
 
 import com.rest.api.entity.User;
 import org.springframework.data.jpa.repository.JpaRepository;
-
 import java.util.Optional;
 
 public interface UserJpaRepo extends JpaRepository<User, Long> {
diff --git a/src/main/java/com/rest/api/service/ResponseService.java b/src/main/java/com/rest/api/service/ResponseService.java
index b666b61..fdc196b 100644
--- a/src/main/java/com/rest/api/service/ResponseService.java
+++ b/src/main/java/com/rest/api/service/ResponseService.java
@@ -12,8 +12,7 @@ public class ResponseService {
 
     // enum으로 api 요청 결과에 대한 code, message를 정의합니다.
     public enum CommonResponse {
-        SUCCESS(0, "성공하였습니디."),
-        FAIL(-1, "실패하였습니다.");
+        SUCCESS(0, "성공하였습니디.");
 
         int code;
         String msg;