diff --git a/src/main/resources/db/migration/mysql/V7.0.4_20210519_1500__init.sql b/src/main/resources/db/migration/mysql/V7.0.4_20210519_1500__init.sql
index 2d2a31d9..9ed7842d 100644
--- a/src/main/resources/db/migration/mysql/V7.0.4_20210519_1500__init.sql
+++ b/src/main/resources/db/migration/mysql/V7.0.4_20210519_1500__init.sql
@@ -1440,7 +1440,6 @@ INSERT INTO `sys_user_role` VALUES (1339554696976781379, 1339550467939639299, 13
 -- ----------------------------
 -- Table structure for toc_customer
 -- ----------------------------
-DROP TABLE IF EXISTS `toc_customer`;
 CREATE TABLE `toc_customer`  (
   `customer_id` bigint(20) NOT NULL COMMENT '主键id',
   `account` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '账号',