cp .customer_product_id, cp.customer_id, p.package_id, p.product_name, cp.type, cp.price, cp.face_price, p.area_name, p.operator, cp.is_effective, FORMAT(cp.discount ,4) as discount SELECT FROM flow_product_info AS p LEFT JOIN customer_product cp ON p.package_id = cp.package_id AND cp.type=#{type} AND cp.customer_id=#{customerId}