diff --git a/apps/enm/tasks.py b/apps/enm/tasks.py
index 5773a600..ef5a1375 100644
--- a/apps/enm/tasks.py
+++ b/apps/enm/tasks.py
@@ -131,6 +131,14 @@ def cal_mpointstats_duration(start_time: str, end_time: str, m_code_list=[], cal
         current_time += datetime.timedelta(hours=1)
 
 
+@shared_task(base=CustomTask)
+def correct_bill_date():
+    now_time = datetime.datetime.now()
+    update_time = now_time - datetime.timedelta(hours=24)
+    bill_date = make_aware(update_time)
+    update_sysconfig({'enm1': {'bill_date': str(bill_date)}})
+
+
 @shared_task(base=CustomTask)
 def cal_mpointstats_scheduled_tasks(m_code_list=None, cal_attrs=None):
     """