diff --git a/yuthon_hr_employee/models/yuthon_medical_manage.py b/yuthon_hr_employee/models/yuthon_medical_manage.py
index 269dbea9c..f6dd6904e 100644
--- a/yuthon_hr_employee/models/yuthon_medical_manage.py
+++ b/yuthon_hr_employee/models/yuthon_medical_manage.py
@@ -73,10 +73,18 @@ class YuthonMedicalManage(models.Model):
         ], order='start_date desc', limit=1)
         rule = valid_rules
 
-        # 基础额度计算（根据年龄递增规则）
+        id_card = employee.identification_id.strip() if employee.identification_id else ''
+        birth_str = id_card[6:14]
+        birth_date = datetime.strptime(birth_str, '%Y%m%d').date()
+
+        # 计算周岁（今天 - 出生日期）
+        today = fields.Date.today()
+        age = 0
+        if birth_date:
+            age = today.year - birth_date.year
         base_quota = rule.base_amount
-        if employee.old >= rule.starting_age and rule.increase_interval_years > 0 and rule.increment_amount > 0:
-            exceed_age_years = employee.old - rule.starting_age
+        if age >= rule.starting_age and rule.increase_interval_years > 0 and rule.increment_amount > 0:
+            exceed_age_years = age - rule.starting_age
             increment_times = exceed_age_years // rule.increase_interval_years
             base_quota += rule.increment_amount * increment_times