diff --git a/app/Service/Api/User/SiteService.php b/app/Service/Api/User/SiteService.php
index d1f8064..1d73315 100644
--- a/app/Service/Api/User/SiteService.php
+++ b/app/Service/Api/User/SiteService.php
@@ -107,10 +107,11 @@ class SiteService extends BaseService
         Db::transaction(function () use ($info) {
             if ($info->is_default == SiteCode::USER_DEFAULT) {
                 $updateInfo = $this->userSiteModel->getUserNoDefaultIdByUserId($this->userId);
+                if (!empty($updateInfo)) {
+                    $updateInfo->is_default = SiteCode::USER_DEFAULT;
 
-                $updateInfo->is_default = SiteCode::USER_DEFAULT;
-
-                if(!$updateInfo->save()) throw new ErrException('删除失败-修改联动数据失败');
+                    if(!$updateInfo->save()) throw new ErrException('删除失败-修改联动数据失败');
+                }
             }
 
             if (!$info->delete()) throw new ErrException('删除失败');