diff --git a/app/Admin/Forms/DealerEditLvl.php b/app/Admin/Forms/DealerEditLvl.php
index fb742b9e..d577d21c 100644
--- a/app/Admin/Forms/DealerEditLvl.php
+++ b/app/Admin/Forms/DealerEditLvl.php
@@ -37,7 +37,7 @@ class DealerEditLvl extends Form implements LazyRenderable
     {
         $id = $this->payload['id'] ?? 0;
         $dealer = Dealer::findOrFail($id);
-        if ($dealer?->lvl >= $input['lvl']) {
+        if ($dealer?->lvl->value >= $input['lvl']) {
             throw new BizException('请选择大于当前的等级');
         }
         try {