diff --git a/yuthon_property_approval/wizard/penalty_line_wizard.py b/yuthon_property_approval/wizard/penalty_line_wizard.py
index 518f84d95..abcaea552 100644
--- a/yuthon_property_approval/wizard/penalty_line_wizard.py
+++ b/yuthon_property_approval/wizard/penalty_line_wizard.py
@@ -156,7 +156,7 @@ class PenaltyLineWizard(models.Model):
             new_penalty_lines.append((0, 0, {
                 'date': start_date,
                 'remake': f'未交违约金',
-                'days_overdue': (start_date - penalty_receivable_id.due_date).days + 1,
+                'days_overdue': (penalty_receivable_id.due_date - start_date).days + 1,
                 'remaining_principal': 0,
                 'penalty': penalty_receivable_id.submitted,
             }))
@@ -178,7 +178,9 @@ class PenaltyLineWizard(models.Model):
     @api.onchange('calculation_date')
     def _onchange_calculation_date(self):
         if self.receivable_id.management_type_id.name != '押金':
-            realtime_lines = self.penalty_line_ids.filtered(lambda l: l.is_realtime)
+            realtime_lines = self.penalty_line_ids.filtered(
+                lambda l: l.is_realtime or (l.penalty != 0)
+            )
             non_realtime_lines = self.penalty_line_ids - realtime_lines
             update_commands = []
             # 2. 保留所有非实时记录（关键：用 (4, id, 0) 指令）