diff --git a/apps/assets/models/protocol.py b/apps/assets/models/protocol.py
index a2aa2283f..d42ee2754 100644
--- a/apps/assets/models/protocol.py
+++ b/apps/assets/models/protocol.py
@@ -5,7 +5,3 @@ from django.utils.translation import gettext_lazy as _
 class Protocol(models.Model):
     name = models.CharField(max_length=32, verbose_name=_("Name"))
     port = models.IntegerField(verbose_name=_("Port"))
-
-    def save(self, force_insert=False, force_update=False, using=None,
-             update_fields=None):
-        pass
diff --git a/apps/perms/serializers/permission.py b/apps/perms/serializers/permission.py
index 5a4bf5105..18fa96563 100644
--- a/apps/perms/serializers/permission.py
+++ b/apps/perms/serializers/permission.py
@@ -111,7 +111,7 @@ class AssetPermissionSerializer(BulkOrgResourceModelSerializer):
         # 资产
         assets_to_set = Asset.objects.filter(
             Q(ip__in=kwargs.get('assets_display')) |
-            Q(hostname__in=kwargs.get('assets_display'))
+            Q(name__in=kwargs.get('assets_display'))
         ).distinct()
         instance.assets.add(*assets_to_set)
         # 节点