diff --git a/apps/ops/tasks.py b/apps/ops/tasks.py
index 3da3b726e..6292df69d 100644
--- a/apps/ops/tasks.py
+++ b/apps/ops/tasks.py
@@ -144,10 +144,10 @@ def clean_job_execution_period():
         del_res = JobExecution.objects.filter(date_created__lt=expired_day).delete()
         logger.info(f"clean job_execution db record success! delete {days} days {del_res[0]} records")
 
-
-@shared_task
-def longtime_add(x, y):
-    print('long time task begins')
-    time.sleep(50)
-    print('long time task finished')
-    return x + y
+# 测试使用，注释隐藏
+# @shared_task
+# def longtime_add(x, y):
+#     print('long time task begins')
+#     time.sleep(50)
+#     print('long time task finished')
+#     return x + y
diff --git a/apps/settings/tasks/ldap.py b/apps/settings/tasks/ldap.py
index 856389512..e600017cb 100644
--- a/apps/settings/tasks/ldap.py
+++ b/apps/settings/tasks/ldap.py
@@ -9,7 +9,7 @@ from common.utils import get_logger
 from common.utils.timezone import local_now_display
 from ops.celery.decorator import after_app_ready_start
 from ops.celery.utils import (
-    create_or_update_celery_periodic_tasks, disable_celery_periodic_task
+    create_or_update_celery_periodic_tasks, delete_celery_periodic_task
 )
 from orgs.models import Organization
 from settings.notifications import LDAPImportMessage
@@ -69,6 +69,7 @@ def import_ldap_user_periodic():
     if not settings.AUTH_LDAP:
         return
     task_name = 'import_ldap_user_periodic'
+    delete_celery_periodic_task(task_name)
     if not settings.AUTH_LDAP_SYNC_IS_PERIODIC:
         return
 
@@ -85,8 +86,7 @@ def import_ldap_user_periodic():
         task_name: {
             'task': import_ldap_user.name,
             'interval': interval,
-            'crontab': crontab,
-            'enabled': True,
+            'crontab': crontab
         }
     }
     create_or_update_celery_periodic_tasks(tasks)