diff --git a/src/db/modify.sql b/src/db/modify.sql
index 8920fc4d6..19d8ef7cc 100644
--- a/src/db/modify.sql
+++ b/src/db/modify.sql
@@ -560,9 +560,17 @@ alter table sys_client_pre_apply add column  `password_aes` varchar(50) NOT NULL
 alter table sys_client_pre_apply add column apply_source varchar(10) default null COMMENT '申请渠道';
 
 
-create table sys_mail_sub(
-  mail_address varchar(50) not null,
-  client_id int(11) NOT NULL,
-  client_moniker varchar(20) NOT NULL,
-  create_time TIMESTAMP not null DEFAULT now()
-);
\ No newline at end of file
+CREATE TABLE `sys_mail_unsub` (
+  `id` bigint(20) NOT NULL,
+  `address` varchar(50) NOT NULL,
+  `client_id` int(11) NOT NULL,
+  `client_moniker` varchar(20) NOT NULL,
+  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='邮箱取消订阅';
+
+
+
+alter table sys_clients add column ali_sub_merchant_id varchar(20) DEFAULT NULL;
+update sys_clients set ali_sub_merchant_id = client_moniker;
+