orders_id, order_no, user_id, class_id, order_status, `body`, `subject`, total_amount, create_time, trade_no, over_time, user_invoices_id, is_de, remark, type, price o.orders_id, o.order_no, o.user_id, o.class_id, o.order_status, o.`body`, o.`subject`, o.total_amount, o.create_time, o.over_time, o.user_invoices_id, o.is_de, o.remark, o.price,