diff --git a/backend/src/main/resources/db/migration/V14__area_code.sql b/backend/src/main/resources/db/migration/V14__area_code.sql
index 7610a0d1d8..1a5624ccda 100644
--- a/backend/src/main/resources/db/migration/V14__area_code.sql
+++ b/backend/src/main/resources/db/migration/V14__area_code.sql
@@ -1,18 +1,4 @@
-/*
- Navicat Premium Data Transfer
 
- Source Server         : ali_sh_mysql
- Source Server Type    : MySQL
- Source Server Version : 50732
- Source Host           : 47.117.200.215:3306
- Source Schema         : dataease
-
- Target Server Type    : MySQL
- Target Server Version : 50732
- File Encoding         : 65001
-
- Date: 13/07/2021 18:09:09
-*/
 
 SET NAMES utf8mb4;
 SET FOREIGN_KEY_CHECKS = 0;