diff --git a/apps/assets/api/node.py b/apps/assets/api/node.py
index bb81a3b45..e690b8ebf 100644
--- a/apps/assets/api/node.py
+++ b/apps/assets/api/node.py
@@ -1,24 +1,24 @@
 # ~*~ coding: utf-8 ~*~
-from functools import partial
 from collections import namedtuple, defaultdict
+from functools import partial
 
 from django.db.models.signals import m2m_changed
 from django.utils.translation import ugettext_lazy as _
 from rest_framework import status
-from rest_framework.response import Response
 from rest_framework.decorators import action
 from rest_framework.generics import get_object_or_404
+from rest_framework.response import Response
 from rest_framework.serializers import ValidationError
 
 from assets.models import Asset
-from common.const.http import POST
-from common.utils import get_logger
 from common.api import SuggestionMixin
-from common.exceptions import SomeoneIsDoingThis
+from common.const.http import POST
 from common.const.signals import PRE_REMOVE, POST_REMOVE
+from common.exceptions import SomeoneIsDoingThis
+from common.utils import get_logger
 from orgs.mixins import generics
-from orgs.utils import current_org
 from orgs.mixins.api import OrgBulkModelViewSet
+from orgs.utils import current_org
 from .. import serializers
 from ..models import Node
 from ..tasks import (
@@ -210,7 +210,7 @@ class NodeTaskCreateApi(generics.CreateAPIView):
             return
 
         if action == "refresh":
-            task = update_node_assets_hardware_info_manual.delay(node.id)
+            task = update_node_assets_hardware_info_manual(node.id)
         else:
-            task = test_node_assets_connectivity_manual.delay(node.id)
+            task = test_node_assets_connectivity_manual(node.id)
         self.set_serializer_data(serializer, task)
diff --git a/apps/assets/tasks/ping.py b/apps/assets/tasks/ping.py
index 882f5e5ef..973085db3 100644
--- a/apps/assets/tasks/ping.py
+++ b/apps/assets/tasks/ping.py
@@ -40,4 +40,4 @@ def test_node_assets_connectivity_manual(node_id):
     node = Node.objects.get(id=node_id)
     task_name = gettext_noop("Test if the assets under the node are connectable ")
     assets = node.get_all_assets()
-    return test_assets_connectivity_task.delay(*assets, task_name)
+    return test_assets_connectivity_task.delay(assets, task_name)
diff --git a/apps/ops/ansible/inventory.py b/apps/ops/ansible/inventory.py
index e83f50c41..da9e8b599 100644
--- a/apps/ops/ansible/inventory.py
+++ b/apps/ops/ansible/inventory.py
@@ -117,7 +117,10 @@ class JMSInventory:
         if host['jms_account'] and asset.platform.type == 'oracle':
             host['jms_account']['mode'] = 'sysdba' if account.privileged else None
 
-        ansible_config = dict(automation.ansible_config)
+        try:
+            ansible_config = dict(automation.ansible_config)
+        except Exception as e:
+            ansible_config = {}
         ansible_connection = ansible_config.get('ansible_connection', 'ssh')
         host.update(ansible_config)