bugfix：管理端订单导出商品名时间修改

common/libs/export/BaseExport.php

@@ -352,8 +352,8 @@ class BaseExport extends Component {
                     // 'WAREHOUSE' => $columnData['WAREHOUSE'],
                     'CREATED_AT' => Date('Y-m-d H:i:s', $columnData['CREATED_AT']),
                     'PAY_TYPE' => ShopGoods::payTypes()[$columnData['PAY_TYPE']]['name'] ?? ShopGoods::payTypes()['cash']['name'],
-                    'PAY_AT' => Date('Y-m-d H:i:s', $columnData['PAY_AT']),
-                    'DELIVERY_AT' => Date('Y-m-d H:i:s', $columnData['DELIVERY_AT']),
+                    'PAY_AT' => $columnData['PAY_AT'] > 0 ? Date('Y-m-d H:i:s', $columnData['PAY_AT']) : '',
+                    'DELIVERY_AT' => $columnData['DELIVERY_AT'] > 0 ? Date('Y-m-d H:i:s', $columnData['DELIVERY_AT']) : '',
                     'REAL_PRICE' => $columnData['REAL_PRICE'],
                     'REAL_PV' => $columnData['REAL_PV'],
                     'STANDARD_PRICE' => $columnData['ORDER_AMOUNT_STANDARD'],