获取快递单号的接口，有的时候能返回值，有的时候返回不出值 appid ：wxae2f44315b70f177  $orderUrl="https://api.weixin.qq.com/cgi-bin/express/business/order/add?access_token=".$access_token; $order=M('order')->where('id='.$order_id)->field('uid,order_sn,address_xq,product_num,name,tel,receiver,photo_x')->find(); $user=M('user')->where('id='.$order['uid'])->field('openid')->find();   $postdata['add_source']=0; $postdata['order_id']=$order['order_sn']; $postdata['openid']=$user['openid']; $postdata['delivery_id']='YUNDA'; $postdata['biz_id']='11111'; //发件人 $postdata['sender']['name']=$j_name; $postdata['sender']['mobile']=$j_tel; $postdata['sender']['province']='辽宁省'; $postdata['sender']['city']='盘锦市'; $postdata['sender']['area']='111'; $postdata['sender']['address']='111'; //收件人 $address_arr= explode(" ",$order['address_xq']); $postdata['receiver']['name']=$order['receiver']; $postdata['receiver']['mobile']=$order['tel']; $postdata['receiver']['province']=$address_arr[0]; $postdata['receiver']['city']=$address_arr[1]; $postdata['receiver']['area']=$address_arr[2]; $postdata['receiver']['address']=$address_arr[3];   // 包裹信息，将传递给快递公司 $postdata['cargo']['count']=$order['product_num']; $postdata['cargo']['weight']='10'; $postdata['cargo']['space_x']='50'; $postdata['cargo']['space_y']='50'; $postdata['cargo']['space_z']='50'; $postdata['cargo']['detail_list']['name']=$order['name']; $postdata['cargo']['detail_list']['count']=$order['product_num']; //商品信息，会展示到物流服务通知和电子面单中 $photo=__DATAURL__.$order['photo_x']; $postdata['shop']['wxa_path']=$wx_url; $postdata['shop']['img_url']=$photo; $postdata['shop']['goods_name']=$order['name']; $postdata['shop']['goods_count']=$order['product_num']; //保价信息 $postdata['insured']['use_insured']='0'; $postdata['insured']['insured_value']='0'; //服务类型 $postdata['service']['service_type']='0'; //服务类型ID $postdata['service']['service_name']='标准快件';  //服务名称   $postdatas=json_encode($postdata,JSON_UNESCAPED_UNICODE); $success=$this->Post_M($orderUrl,$postdatas); $success = json_decode($success,true);        return $success; 返回的值：array(2) { ["errcode"]=> int(48001) ["errmsg"]=> string(44) "api unauthorized hints: [xDECIOLoRa-7RtlwA!]" } 操作时间：2020/6/10 8:49

appid ：wxae2f44315b70f177。 单号：2020051410257554。韵达单号：3103531968202.打印的参数在哪里设置啊？

用的微信面单打印小助手，打印的韵达的面单，不显示数量啊，就显示一个产品名[图片]