diff --git a/apps/accounts/api/automations/base.py b/apps/accounts/api/automations/base.py
index 12fcd7b17..700484e9b 100644
--- a/apps/accounts/api/automations/base.py
+++ b/apps/accounts/api/automations/base.py
@@ -3,10 +3,10 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import status, mixins, viewsets
 from rest_framework.response import Response
 
+from accounts.models import AutomationExecution
+from accounts.tasks import execute_automation
 from assets import serializers
 from assets.models import BaseAutomation
-from accounts.tasks import execute_automation
-from accounts.models import AutomationExecution
 from common.const.choices import Trigger
 from orgs.mixins import generics
 
@@ -110,6 +110,6 @@ class AutomationExecutionViewSet(
         serializer.is_valid(raise_exception=True)
         automation = serializer.validated_data.get('automation')
         task = execute_automation.delay(
-            pid=automation.pk, trigger=Trigger.manual, tp=self.tp
+            pid=str(automation.pk), trigger=Trigger.manual, tp=self.tp
         )
         return Response({'task': task.id}, status=status.HTTP_201_CREATED)
diff --git a/apps/accounts/serializers/account/account.py b/apps/accounts/serializers/account/account.py
index 3db4cf445..e2d2f358d 100644
--- a/apps/accounts/serializers/account/account.py
+++ b/apps/accounts/serializers/account/account.py
@@ -52,6 +52,8 @@ class AccountSerializerCreateValidateMixin:
         return instance
 
     def update(self, instance, validated_data):
+        # account cannot be modified
+        validated_data.pop('username', None)
         push_now = validated_data.pop('push_now', None)
         instance = super().update(instance, validated_data)
         self.push_account(instance, push_now)
diff --git a/apps/jumpserver/api.py b/apps/jumpserver/api.py
index 6a3617c0c..f3fee7c1d 100644
--- a/apps/jumpserver/api.py
+++ b/apps/jumpserver/api.py
@@ -295,10 +295,6 @@ class DatesLoginMetricMixin:
     def user_login_success_logs_amount(self):
         return self.login_logs_queryset.filter(status=LoginStatusChoices.success).count()
 
-    @lazyproperty
-    def user_login_logs_amount(self):
-        return self.login_logs_queryset.values('username').count()
-
     @lazyproperty
     def user_login_amount(self):
         return self.login_logs_queryset.values('username').distinct().count()
@@ -383,11 +379,6 @@ class IndexApi(DateTimeMixin, DatesLoginMetricMixin, APIView):
                 'total_count_login_users': self.user_login_amount
             })
 
-        if _all or query_params.get('total_count') or query_params.get('total_count_login_user_logs'):
-            data.update({
-                'total_count_login_user_logs': self.user_login_logs_amount
-            })
-
         if _all or query_params.get('total_count') or query_params.get('total_count_today_active_assets'):
             data.update({
                 'total_count_today_active_assets': caches.total_count_today_active_assets,