update

src/db/modify.sql

@@ -254,4 +254,7 @@ sign_channel varchar(10) not null ,
 sign_account_id varchar(50) DEFAULT null,
 signatory varchar(20) DEFAULT null,
 PRIMARY key (`id`)
-);
+);
+
+
+alter table sys_clients_devices add column is_offline  tinyint(1) NOT NULL DEFAULT '0';