diff --git a/src/db/modify.sql b/src/db/modify.sql
index b5b1a885c..2b04a74c7 100644
--- a/src/db/modify.sql
+++ b/src/db/modify.sql
@@ -670,3 +670,10 @@ CREATE TABLE `risk_attention_merchants` (
   PRIMARY KEY (`client_id`),
   KEY `client_moniker` (`client_moniker`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+
+ALTER TABLE `sys_clients`
+ADD COLUMN `wechat_institution_merchant_id`  varchar(6) NULL AFTER `wechat_institution_merchant_id`;
+ALTER TABLE `log_client_sub_merchant_id`
+ADD COLUMN `wechat_institution_merchant_id`  varchar(6) NULL AFTER `client_id`;
+