diff --git a/apps/users/tasks.py b/apps/users/tasks.py
index 769d01ed7..a77595a4b 100644
--- a/apps/users/tasks.py
+++ b/apps/users/tasks.py
@@ -1,12 +1,15 @@
 # -*- coding: utf-8 -*-
 #
 
+import datetime
+from django.utils import timezone
+from django.conf import settings
 from celery import shared_task
 
 from ops.celery.utils import create_or_update_celery_periodic_tasks
-from ops.celery.decorator import after_app_ready_start
-from .models import User
+from ops.celery.decorator import after_app_ready_start, register_as_period_task
 from common.utils import get_logger
+from .models import User, LoginLog
 from .utils import write_login_log, send_password_expiration_reminder_mail
 
 
@@ -43,3 +46,15 @@ def check_password_expired_periodic():
         }
     }
     create_or_update_celery_periodic_tasks(tasks)
+
+
+@register_as_period_task(interval=3600*24)
+@shared_task
+def clean_login_log_period():
+    now = timezone.now()
+    try:
+        days = int(settings.LOGIN_LOG_KEEP_DAYS)
+    except ValueError:
+        days = 90
+    expired_day = now - datetime.timedelta(days=days)
+    LoginLog.objects.filter(datetime__lt=expired_day).delete()
diff --git a/docs/README.md b/docs/README.md
new file mode 100644
index 000000000..e4d922911
--- /dev/null
+++ b/docs/README.md
@@ -0,0 +1,5 @@
+## 说明
+文档已移动到docs分支，该目录中不是最新文档, 请提交到docs分支
+
+## 访问在线文档
+[访问](https://docs.jumpserver.org)