diff --git a/src/db/modify.sql b/src/db/modify.sql
index 0fdeab441..5697dd2c6 100644
--- a/src/db/modify.sql
+++ b/src/db/modify.sql
@@ -68,7 +68,7 @@ ALTER TABLE `bd_access_log`
 
 ALTER TABLE `sys_clients`
   MODIFY COLUMN `creator`  varchar(50) NOT NULL COMMENT '创建者' AFTER `logo_thumbnail`,
-  MODIFY COLUMN `approver`  varchar(50) NOT NULL AFTER `logo_thumbnail`;
+  MODIFY COLUMN `approver`  varchar(50) DEFAULT NULL AFTER `logo_thumbnail`;
 
 
 ALTER TABLE `pat_goods`