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,