解决采购导出问题

app/Http/Controllers/ProcurementController.php

@@ -416,7 +416,7 @@ class ProcurementController extends Controller
                 $procurement->deliver_amount ?  $procurement->deliver_amount :'',//送货数量
                 $procurement->unit_price*$procurement->amount,//销售总价=销售数量*销售单价
                 is_null($procurement->status) ? '' :$procurementStatus[$procurement->status],
-                $procurement->supplier->phone ? $procurement->supplier->phone :'',
+                $procurement->supplier ? $procurement->supplier->phone :'',
             ];
         }
         return Export::make($row,$list,"采购管理-采购报表记录");