diff --git a/src/main/java/com/xit/core/exception/CustomBaseException.java b/src/main/java/com/xit/core/exception/CustomBaseException.java
index e07d5b5..2309954 100644
--- a/src/main/java/com/xit/core/exception/CustomBaseException.java
+++ b/src/main/java/com/xit/core/exception/CustomBaseException.java
@@ -14,7 +14,7 @@ import java.util.ResourceBundle;
 @Getter
 @ResponseStatus(code = HttpStatus.BAD_REQUEST, reason = "Invalid parameter")
 public class CustomBaseException extends RuntimeException {
-    ResourceBundle message = ResourceBundle.getBundle("message.error");
+//    ResourceBundle message = ResourceBundle.getBundle("error");
 
     private ErrorCode errorCode;
     private String code;
@@ -53,9 +53,9 @@ public class CustomBaseException extends RuntimeException {
         return super.getMessage();
     }
 
-    @Override
-    public String getLocalizedMessage(){
-        return message.getString(super.getMessage());
-        //return messageSourceAccessor.get
-    }
+//    @Override
+//    public String getLocalizedMessage(){
+//        return message.getString(super.getMessage());
+//        //return messageSourceAccessor.get
+//    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/xit/core/exception/handling/CustomRestExceptionHandler.java b/src/main/java/com/xit/core/exception/handling/CustomRestExceptionHandler.java
index c7499cf..62b99af 100644
--- a/src/main/java/com/xit/core/exception/handling/CustomRestExceptionHandler.java
+++ b/src/main/java/com/xit/core/exception/handling/CustomRestExceptionHandler.java
@@ -79,16 +79,24 @@ public class CustomRestExceptionHandler extends ResponseEntityExceptionHandler {
         log.error("{}", validErrorMap);
         log.error("##############################################################################################");
 
+        Optional<String> firstKey = validErrorMap
+                .keySet()
+                .stream()
+                .findFirst();
+
+
         Optional<String> firstMessage = validErrorMap
                 .values()
                 .stream()
                 .findFirst();
 
+        String errMsg = "["+firstKey.orElse("에러 메세지가 정의 되지 않았습니다")+"] "+firstMessage.orElse("");
+
         RestErrorResponse errorResponse = RestErrorResponse.builder()
                 .status(HttpStatus.BAD_REQUEST.value())
                 .error(HttpStatus.BAD_REQUEST.name())
                 .code(HttpStatus.BAD_REQUEST.name())
-                .message(firstMessage.orElse("에러 메세지가 정의 되지 않았습니다"))
+                .message(errMsg)
                 .build();
 
         log.error("##############################################################################################");
diff --git a/src/main/resources/messages/i18n/error_ko.properties b/src/main/resources/messages/i18n/error_ko.properties
new file mode 100644
index 0000000..98f115c
--- /dev/null
+++ b/src/main/resources/messages/i18n/error_ko.properties
@@ -0,0 +1 @@
+AAA=\uD55C\uAE00\uC5D0\uB7EC
\ No newline at end of file
diff --git a/src/main/resources/messages/i18n/error_ko_KR.properties b/src/main/resources/messages/i18n/error_ko_KR.properties
new file mode 100644
index 0000000..98f115c
--- /dev/null
+++ b/src/main/resources/messages/i18n/error_ko_KR.properties
@@ -0,0 +1 @@
+AAA=\uD55C\uAE00\uC5D0\uB7EC
\ No newline at end of file