$field='id as user_id,sex,user_pic,other_pic,user_nick,user_name,user_phone,site_ids,agent_id,user_label,industry_type,price_demand,area_demand,vip,user_status';
$field='id as user_id,sex,user_pic,other_pic,user_nick,user_name,user_phone,site_ids,agent_id,user_label,