diff --git a/yuthon_property/wizard/task_push_wizard.py b/yuthon_property/wizard/task_push_wizard.py
index 3be9b5afe..dc67314bb 100644
--- a/yuthon_property/wizard/task_push_wizard.py
+++ b/yuthon_property/wizard/task_push_wizard.py
@@ -92,7 +92,7 @@ class TaskPushWizard(models.TransientModel):
                 prev_month = meter_month - 1
                 prev_year = meter_year
             prev_month_same_day = fields.Date.from_string(f"{prev_year}-{prev_month}-{meter_day}")
-            start_date = prev_month_same_day + timedelta(days=1)
+            start_date = prev_month_same_day.replace(day=15) + timedelta(days=1)
 
         end_date = meter_date.replace(day=15)