diff --git a/apps/enm/tasks.py b/apps/enm/tasks.py
index 1ab0cac9..8a0a361a 100644
--- a/apps/enm/tasks.py
+++ b/apps/enm/tasks.py
@@ -207,7 +207,7 @@ def cal_mpointstat_hour(mpointId: str, year: int, month: int, day: int, hour: in
             val = translate_eval_formula(formula, year, month, day, hour)
         else:
             return
-        ms, _ = MpointStat.objects.get_or_create(**params, defaults=params)
+        ms, _ = MpointStat.objects.safe_get_or_create(**params)
         ms.val = ms.val_correct if ms.val_correct is not None else val
         if material_code == 'elec':
             val_level = get_elec_level(month, hour)