diff --git a/src/db/modify.sql b/src/db/modify.sql
index 982cf73fe..8b4a19fcf 100644
--- a/src/db/modify.sql
+++ b/src/db/modify.sql
@@ -360,4 +360,14 @@ ADD COLUMN `surcharge_cashback` decimal(10,4) default 0 after `royalpay_surcharg
 
 
 
-ALTER TABLE sys_clients ADD store_photo VARCHAR(200) NULL;
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+ALTER TABLE sys_clients ADD store_photo VARCHAR(200) NULL;
+
+CREATE TABLE `log_client_sub_merchant_id` (
+  `id` varchar(50) NOT NULL,
+  `sub_merchant_id_before` varchar(30) DEFAULT NULL COMMENT '修改之前的sub_merchant_id',
+  `sub_merchant_id_after` varchar(30) NOT NULL COMMENT '修改之后的sub_merchant_id',
+  `operator` varchar(30) NOT NULL COMMENT '操作人',
+  `create_time` datetime NOT NULL COMMENT '创建时间',
+  `client_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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