diff --git a/apps/wpm/tasks.py b/apps/wpm/tasks.py
index 777806f5..e90ebc7b 100644
--- a/apps/wpm/tasks.py
+++ b/apps/wpm/tasks.py
@@ -37,14 +37,14 @@ def get_total_hour_now(sflogId: str):
         if localtime(sflog.end_time) <= now:
             sflog.total_hour_now = 12
         else:
-            sflog.total_hour_now = (now - localtime(sflog.start_time)).total_seconds/3600
+            sflog.total_hour_now = (now - localtime(sflog.start_time).replace(tzinfo=None)).total_seconds/3600
         sflog.save()
         return sflog.total_hour_now
     else:
         SfLog.objects.filter(end_time__lte=now).exclude(total_hour_now=12).update(total_hour_now=12)
         sf_qs = SfLog.objects.filter(end_time__gt=now)
         for i in sf_qs:
-            i.total_hour_now = (now-localtime(i.start_time)).total_seconds/3600
+            i.total_hour_now = (now-localtime(i.start_time).replace(tzinfo=None)).total_seconds/3600
             i.save()
 
 @shared_task(base=CustomTask)