$sql="SELECT feeds_time,wat_num,a.order_num FROM gone_order_list as a LEFT JOIN gone_settlement_list as b on a.serial_number = b.list_id where a.order_num in ('".implode("','",$order_num)."')";
$sql="SELECT feeds_time,wat_num,a.order_num,all_price FROM gone_order_list as a LEFT JOIN gone_settlement_list as b on a.serial_number = b.list_id where a.order_num in ('".implode("','",$order_num)."')";