diff --git a/yuthon_salary/data/meal_cron.xml b/yuthon_salary/data/meal_cron.xml
index 33cc43686..251ada9db 100644
--- a/yuthon_salary/data/meal_cron.xml
+++ b/yuthon_salary/data/meal_cron.xml
@@ -27,5 +27,18 @@
             <field name="numbercall">-1</field>
             <field eval="False" name="doall"/>
         </record>
+        <record id="cron_send_monthly_meal_reminder" model="ir.cron">
+            <field name="name">定时任务：每月第一个工作日发送餐费缴费提醒</field>
+            <field name="model_id" ref="model_yuthon_meal_expenses"/>
+            <field name="state">code</field>
+            <field name="code">model.cron_send_monthly_meal_reminder()</field>
+            <field eval="True" name="active"/>
+            <field name="user_id" ref="base.user_root"/>
+            <field name="interval_number">1</field>
+            <field name="interval_type">months</field>
+            <field name="nextcall" eval="(DateTime.now()).strftime('%Y-%m-01 09:00:00')"/>
+            <field name="numbercall">-1</field>
+            <field eval="False" name="doall"/>
+        </record>
     </data>
 </odoo>
diff --git a/yuthon_salary/models/yuthon_meal_expenses.py b/yuthon_salary/models/yuthon_meal_expenses.py
index d70a77f37..c181e5e5b 100644
--- a/yuthon_salary/models/yuthon_meal_expenses.py
+++ b/yuthon_salary/models/yuthon_meal_expenses.py
@@ -247,6 +247,120 @@ class YuthonMealExpenses(models.Model):
         })
         return True
 
+    def cron_send_monthly_meal_reminder(self):
+        """定时任务：每月第一个工作日发送餐费缴费提醒"""
+        from datetime import datetime, timedelta
+        import calendar
+        
+        # 检查是否是工作日
+        today = datetime.now()
+        if today.weekday() >= 5:  # 0-4是工作日，5-6是周末
+            # 记录日志
+            self.env['ir.logging'].sudo().create({
+                'name': '餐费缴费提醒',
+                'type': 'info',
+                'message': f'今天{today.strftime("%Y-%m-%d")}是周末，跳过发送餐费缴费提醒',
+                'path': __name__,
+                'func': 'cron_send_monthly_meal_reminder',
+            })
+            return True
+        
+        # 计算上月的年份和月份
+        last_month = today - timedelta(days=today.day)
+        last_year = str(last_month.year)
+        last_month_num = str(last_month.month)
+        
+        # 计算当前月的年份和月份
+        current_year = str(today.year)
+        current_month = str(today.month)
+        
+        # 查询所有状态为待缴的餐费记录
+        meals = self.sudo().search([
+            ('toll_state', '=', 'to_do'),
+            ('select_year', '=', last_year),
+            ('select_time', '=', last_month_num),
+        ])
+        
+        # 按员工分组
+        employee_meals = {}
+        for meal in meals:
+            if meal.employee_id not in employee_meals:
+                employee_meals[meal.employee_id] = meal
+        
+        # 发送提醒
+        sent_count = 0
+        for employee, meal in employee_meals.items():
+            if not employee or not employee.user_id or not employee.wecom_userid:
+                continue
+            
+            # 检查是否已经发送过提醒（通过日志记录）
+            log_domain = [
+                ('name', '=', '餐费缴费提醒'),
+                ('message', 'like', f'{last_year}年{last_month_num}月'),
+                ('message', 'like', employee.name),
+            ]
+            existing_log = self.env['ir.logging'].sudo().search(log_domain, limit=1)
+            if existing_log:
+                continue
+            
+            # 计算上月餐费金额
+            last_month_amount = meal.total_payment
+            
+            # 计算当月餐费金额（如果有）
+            current_month_meal = self.sudo().search([
+                ('employee_id', '=', employee.id),
+                ('select_year', '=', current_year),
+                ('select_time', '=', current_month),
+            ], limit=1)
+            current_month_amount = current_month_meal.total_payment if current_month_meal else 0
+            
+            # 构建提醒内容
+            employee_name = employee.name or ''
+            description = (
+                f'【餐费缴费提醒】亲爱的同事，{last_year}年{last_month_num}月餐费明细已出，你的上月餐费金额为{last_month_amount}元，'
+                f'请尽快核对并缴费到指定账户：44001580909059000222广州市天河投资集团有限公司（转账时请备注"姓名+{last_month_num}月餐费"）。'
+                f'有任何问题，随时找办公室小伙伴沟通呀！'
+            )
+            
+            # 发送提醒
+            try:
+                self.sudo().env["wecom.apps"].sync_send_message_textcard(
+                    category='can',
+                    user_id=employee.wecom_userid,
+                    title="餐费缴费提醒",
+                    description=description,
+                    url=f'https://phone.thtzjt.com/phone/Meal/{employee.user_id.id}',
+                    btntxt="详细信息",
+                )
+                sent_count += 1
+                
+                # 记录日志，避免重复发送
+                self.env['ir.logging'].sudo().create({
+                    'name': '餐费缴费提醒',
+                    'type': 'info',
+                    'message': f'已发送{last_year}年{last_month_num}月餐费缴费提醒给{employee_name}',
+                    'path': __name__,
+                    'func': 'cron_send_monthly_meal_reminder',
+                })
+            except Exception as e:
+                self.env['ir.logging'].sudo().create({
+                    'name': '餐费缴费提醒',
+                    'type': 'error',
+                    'message': f'发送{last_year}年{last_month_num}月餐费缴费提醒给{employee_name}失败：{str(e)}',
+                    'path': __name__,
+                    'func': 'cron_send_monthly_meal_reminder',
+                })
+        
+        # 记录总发送情况
+        self.env['ir.logging'].sudo().create({
+            'name': '餐费缴费提醒',
+            'type': 'info',
+            'message': f'成功发送{sent_count}条{last_year}年{last_month_num}月餐费缴费提醒',
+            'path': __name__,
+            'func': 'cron_send_monthly_meal_reminder',
+        })
+        return True
+
     def action_view_detail(self):
         self.ensure_one()
         date_start, date_end = self._get_date_range()