insert into kq_user(user_id,user_name,password,salt_value)
values('admin','admin','70c3fb494f99ed2a1335d581f5c6aee0','120');
=========================================
select md5(CONCAT('admin','120'))
insert into kq_user(user_id,user_name,password,salt_value)
values('admin','admin','70c3fb494f99ed2a1335d581f5c6aee0','120');
select * from kq_user;
========================================
select md5(CONCA