diff --git a/yuthon_hr_attendance/models/yuthon_vacation_reports.py b/yuthon_hr_attendance/models/yuthon_vacation_reports.py
index e8ff74ff1..358a317b6 100644
--- a/yuthon_hr_attendance/models/yuthon_vacation_reports.py
+++ b/yuthon_hr_attendance/models/yuthon_vacation_reports.py
@@ -1032,10 +1032,7 @@ class YuthonVacationReports(models.Model):
         base_month = int(base_line.select_month)
         base_date = date(base_year, base_month, 1)
         self.env['yuthon.overtime.line'].search([]).unlink()
-        # 上上个月第一天（用于select_month赋值）
-        last_month_first = (base_date - relativedelta(months=2)).replace(day=1)
-        # 上上个月最后一天（时间筛选的截止点）
-        current_month_last = (base_date - relativedelta(months=1)).replace(day=1) - timedelta(days=1)
+        current_month_last = base_date - timedelta(days=1)
         current_month_last_dt = datetime.combine(current_month_last, datetime.min.time())
         dec_2025_end = datetime(2025, 12, 31, 23, 59, 59)
         if self.env.user.company_id.name == '集团本部':
@@ -1077,8 +1074,8 @@ class YuthonVacationReports(models.Model):
                     'carry_forward_quantity': 0.0,
                     'carry_forward_date': line.carry_forward_date,
                     'remaining_quantity': 0.0,
-                    'select_month': str(last_month_first.month),
-                    'select_year': str(last_month_first.year)
+                    'select_month': str(current_month_last.month),
+                    'select_year': str(current_month_last.year)
                 }
 
             summary = employee_summary[emp_id]
@@ -1103,7 +1100,6 @@ class YuthonVacationReports(models.Model):
         base_month = int(base_line.select_month)
         base_date = date(base_year, base_month, 1)
         self.env['yuthon.overtime.line'].search([]).unlink()
-        next_month_first = (base_date + relativedelta(months=1)).replace(day=1)
         next_month_last = (base_date + relativedelta(months=2)).replace(day=1) - timedelta(days=1)
         next_month_last_dt = datetime.combine(next_month_last, datetime.min.time())
         dec_2025_end = datetime(2025, 12, 31, 23, 59, 59)
@@ -1144,8 +1140,8 @@ class YuthonVacationReports(models.Model):
                     'public_holidays': 0.0,
                     'carry_forward_quantity': 0.0,
                     'carry_forward_date': line.carry_forward_date,
-                    'select_month': str(next_month_first.month),
-                    'select_year': str(next_month_first.year)
+                    'select_month': str(next_month_last.month),
+                    'select_year': str(next_month_last.year)
                 }
 
             summary = employee_summary[emp_id]