alias('dr') ->join('device d', 'd.id=dr.device_id') ->field('dr.*,d.title as device_name,d.content as device_details') ->where('dr.org_id',$this->orgId) ->where('cate_id','in',[22,23]) ->order('dr.id desc') ->limit(30) ->select(); foreach ($data as $k=>$v){ $img = explode(',',$v['images']); if($img){ $data[$k]['images'] = $img[0]; } } halt($data); HelpHander::success($data); } }