diff --git a/admin/controllers/biz/store/Store.php b/admin/controllers/biz/store/Store.php
index f135b12c..d91a92f5 100644
--- a/admin/controllers/biz/store/Store.php
+++ b/admin/controllers/biz/store/Store.php
@@ -235,6 +235,8 @@ class Store extends HD_Controller
             return $this->show_json(SYS_CODE_FAIL, '添加失败');
         }
         if (is_array($car_brand_ids)) {
+            $brandIds = implode(',',$car_brand_ids);
+            $brandIds && $this->biz_car_brand_model->delete(['biz_id' => $id,'brand_id NOT IN('.$brandIds.')'=>null]);
             $carBrandData = [];
             foreach ($car_brand_ids as $item) {
                 $carBrandData[] = [