fix(store): 修复1688预下单接口验证逻辑

- 添加商品SPU ID和规格ID的必填验证
- 调整异常抛出时机确保数据完整性
- 移除无效的订单预览成功状态检查
- 优化验证异常消息提示准确性

app/common/repositories/store/order/StoreOrderRepository.php

@@ -2631,11 +2631,11 @@ class StoreOrderRepository extends BaseRepository
                     'specId' => $cart['productAttr']['spec_id'],
                     'quantity' => $cart['cart_num']
                 ];
-                $orderService = new OrderService();
-                $ailOrder = $orderService->previewOrder(['cargoParamList' => $cargoParamList, 'addressParam' => $addressParam]);
-                if (!$ailOrder['success']) {
+                if (!$cart['product']['spu_id'] || !$cart['productAttr']['spec_id']) {
                     throw new ValidateException('1688预下单接口请求失败');
                 }
+                $orderService = new OrderService();
+                $ailOrder = $orderService->previewOrder(['cargoParamList' => $cargoParamList, 'addressParam' => $addressParam]);
                 if ($ailOrder['preview']['sumCarriage'] > 0) {
                     $postage_price = bcadd($postage_price, $ailOrder['preview']['sumCarriage'] / 100, 2);
                 }