$liis = M('order')->alias('a')->field('a.id as idfo, a.sn, a.addtime, a.shr_name, a.pay_status, a.total_price, a.pay, a.delivery_status, a.smc, b.goods_id, b.order_id, c.id, c.goods_name, c.sm_logo')->join('zb_order_goods as b ON b.order_id = a.id ')->join('zb_goods as c ON b.goods_id = c.id')->where(array('a.pay_status' => 1))->group('a.pay_status')->select();
这个查询语句哪里错了 怎么才可以取出一条 数据