$field="a.id,a.user_id,a.report_agent_name,a.user_phone,a.user_name,a.predict_see_time,a.create_time,b.id as order_id,b.order_no,b.house_id,b.house_title";
$field="a.id,a.user_id,a.report_agent_name,a.report_agent_phone,a.user_phone,a.user_name,a.predict_see_time,a.create_time,b.id as order_id,b.order_no,b.house_id,b.house_title";