[Update] 修复网关搜索报500错误；密码为空时，测试连接报500错误

apps/assets/api/domain.py

@@ -27,7 +27,7 @@ class DomainViewSet(OrgBulkModelViewSet):
 
 class GatewayViewSet(OrgBulkModelViewSet):
     model = Gateway
-    filter_fields = ("domain__name", "name", "username", "ip", "domain")
+    filter_fields = ("domain__name", "name", "username", "ip", "domain__id")
     search_fields = filter_fields
     permission_classes = (IsOrgAdmin,)
     serializer_class = serializers.GatewaySerializer

apps/assets/models/domain.py

@@ -63,6 +63,7 @@ class Gateway(AssetUser):
     def test_connective(self, local_port=None):
         if local_port is None:
             local_port = self.port
+        if self.password is not None:
             if not re.match(r'\w+$', self.password):
                 return False, _("Password should not contain special characters")