订单管理列表，当货物名称为null默认给‘’

lib/util/models.dart

@@ -707,7 +707,7 @@ class FromStatusGetOrderList {
       goodsQuantity: json['goodsQuantity'],
       orderStatus: json['orderStatus'],
       orderNo: json['orderNo'],
-      goods: json['goods'],
+      goods: json['goods'] ?? '',
       receiptCompanyName: json['receiptCompanyName'],
       sendCompanyName: json['sendCompanyName'],
     );