diff --git a/src/main/java/com/writon/admin/global/config/auth/JwtAuthenticationEntryPoint.java b/src/main/java/com/writon/admin/global/config/auth/JwtAuthenticationEntryPoint.java
index 21805ed..5bea114 100644
--- a/src/main/java/com/writon/admin/global/config/auth/JwtAuthenticationEntryPoint.java
+++ b/src/main/java/com/writon/admin/global/config/auth/JwtAuthenticationEntryPoint.java
@@ -1,6 +1,5 @@
 package com.writon.admin.global.config.auth;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.writon.admin.global.error.ErrorCode;
 import com.writon.admin.global.error.ExceptionResponseHandler;
 import jakarta.servlet.http.HttpServletRequest;
@@ -38,8 +37,8 @@ public void commence(
         errorCode = ErrorCode.REFRESH_TOKEN_EXPIRATION;
       }
 
-      if (exception.equals(ErrorCode.UNAUTHORIZED_TOKEN.getCode())) {
-        errorCode = ErrorCode.UNAUTHORIZED_TOKEN;
+      if (exception.equals(ErrorCode.NOT_CORRECT_USER.getCode())) {
+        errorCode = ErrorCode.NOT_CORRECT_USER;
       }
     }
 
diff --git a/src/main/java/com/writon/admin/global/config/auth/TokenProvider.java b/src/main/java/com/writon/admin/global/config/auth/TokenProvider.java
index 6ab6a6a..af03bd6 100644
--- a/src/main/java/com/writon/admin/global/config/auth/TokenProvider.java
+++ b/src/main/java/com/writon/admin/global/config/auth/TokenProvider.java
@@ -139,8 +139,8 @@ public boolean validateToken(String token, HttpServletRequest request) {
     } catch (UnsupportedJwtException e) {
       log.info("지원되지 않는 JWT 토큰입니다.");
     } catch (IllegalArgumentException e) {
-      log.info("JWT 토큰이 잘못되었습니다.");
-      request.setAttribute("exception", ErrorCode.UNAUTHORIZED_TOKEN.getCode());
+      log.info("아이디나 비밀번호가 잘못되었습니다");
+      request.setAttribute("exception", ErrorCode.NOT_CORRECT_USER.getCode());
     }
     return false;
   }
diff --git a/src/main/java/com/writon/admin/global/error/ErrorCode.java b/src/main/java/com/writon/admin/global/error/ErrorCode.java
index 2d7f7f2..de053f1 100644
--- a/src/main/java/com/writon/admin/global/error/ErrorCode.java
+++ b/src/main/java/com/writon/admin/global/error/ErrorCode.java
@@ -11,7 +11,7 @@ public enum ErrorCode {
 
   // error
   BAD_REQUEST(HttpStatus.BAD_REQUEST, "400", "잘못된 요청입니다"), // 400 Bad Request
-  UNAUTHORIZED(HttpStatus.UNAUTHORIZED, "401", "권한이 없습니다"), // 400 Bad Request
+  UNAUTHORIZED(HttpStatus.UNAUTHORIZED, "401", "권한이 없습니다"), // 401 Unauthorized
   FORBIDDEN(HttpStatus.FORBIDDEN, "403", "잘못된 요청입니다"), // 403 Forbidden
   NOT_FOUND(HttpStatus.NOT_FOUND, "404", "사용자를 찾을 수 없습니다"), // 404 Not Found
   METHOD_NOT_ALLOWED(HttpStatus.METHOD_NOT_ALLOWED, "405", "허용되지 않은 메소드입니다"), // 405 Method Not Allowed
@@ -21,7 +21,7 @@ public enum ErrorCode {
 
   // auth
   USER_NOT_FOUND(HttpStatus.NOT_FOUND, "A01", "사용자를 찾을 수 없습니다"),
-  UNAUTHORIZED_TOKEN(HttpStatus.UNAUTHORIZED, "A02", "권한이 없는 토큰입니다"),
+  NOT_CORRECT_USER(HttpStatus.BAD_REQUEST, "A02", "아이디나 비밀번호가 잘못되었습니다"),
   REFRESH_TOKEN_EXPIRATION(HttpStatus.UNAUTHORIZED, "A03", "만료된 토큰입니다"),
   ACCESS_TOKEN_EXPIRATION(HttpStatus.UNAUTHORIZED, "A04", "토큰 재발급을 요청해주세요"),
   REFRESH_TOKEN_INCONSISTENCY(HttpStatus.NOT_FOUND, "A05", "토큰이 일치하지 않습니다"),