diff --git a/app/admin/service/BrandSeriesService.php b/app/admin/service/BrandSeriesService.php
index 323e117..594605b 100644
--- a/app/admin/service/BrandSeriesService.php
+++ b/app/admin/service/BrandSeriesService.php
@@ -254,10 +254,13 @@ class BrandSeriesService
         // 验证系列是否存在
         $series = BrandSeries::where('id', $series_id)->first();
         if (!$series) {
-            throw new \Exception("系列ID {$series_id} 不存在");
+            throw new \Exception("车辆系列未收录，联系管理员处理");
         }
         // 获取品牌信息
         $brand = Brand::where('id', $series->brand_id)->first();
+        if (!$brand) {
+            throw new \Exception("车辆品牌未收录，联系管理员处理");
+        }
 
         // 保存车型数据
         $createdCount = 0;