diff --git a/tx_planning_resource/models/planning_slot.py b/tx_planning_resource/models/planning_slot.py
index f35f55379..e16d79116 100644
--- a/tx_planning_resource/models/planning_slot.py
+++ b/tx_planning_resource/models/planning_slot.py
@@ -5,6 +5,7 @@
 # @Author    :zzw
 from odoo import models, fields, api, _
 from typing import Dict, List
+from datetime import timedelta
 
 
 class TxPlanningSlot(models.Model):
@@ -29,19 +30,44 @@ class TxPlanningSlot(models.Model):
 
     def action_compensatory_leave(self):
         """
-        补休按钮 - 将当前排班转为补休记录
-        TODO: 具体业务逻辑由客户确认后补充
+        补休按钮 - 打开假期分配表单，填写补休信息后验证写入考勤确认单台账
         """
         self.ensure_one()
-        return {
-            'type': 'ir.actions.client',
-            'tag': 'display_notification',
-            'params': {
-                'title': '补休',
-                'message': f'已为 {self.resource_id.name} 创建补休申请（待实现）',
-                'sticky': False,
-                'type': 'success',
+        # 从排班资源获取员工
+        employee = self.resource_id.employee_id if self.resource_id else None
+        if not employee:
+            return {
+                'type': 'ir.actions.client',
+                'tag': 'display_notification',
+                'params': {
+                    'title': '提示',
+                    'message': '该排班未关联有效员工，无法创建补休申请',
+                    'sticky': False,
+                    'type': 'warning',
+                }
             }
+        # 获取排班日期
+        slot_date = (self.start_datetime + timedelta(hours=8)).date() if self.start_datetime else None
+        # 获取"补休"假期类型
+        holiday_status_id = self.env['hr.leave.type'].search([('name', '=', '补休')])
+        # 获取 hr.leave.allocation 的 form 视图
+        form_id = self.env.ref('hr_holidays.hr_leave_allocation_view_form_manager').id
+        return {
+            'type': 'ir.actions.act_window',
+            'name': '计划班调补休申请',
+            'res_model': 'hr.leave.allocation',
+            'view_mode': 'form',
+            'views': [(form_id, 'form')],
+            'target': 'current',
+            'context': {
+                'default_holiday_status_id': holiday_status_id.id,
+                'default_employee_ids': [(6, 0, [employee.id])],
+                'default_employee_id': employee.id,
+                'default_allocation_type': 'regular',
+                'default_name': '计划班调补休',
+                'default_number_of_days_display': 8,
+                'default_date_from': slot_date,
+            },
         }
 
     @api.depends('role_id', 'employee_id')
diff --git a/yuthon_holiday/models/inherit_hr_leave_allocation.py b/yuthon_holiday/models/inherit_hr_leave_allocation.py
index ccff80585..1bea1d66e 100644
--- a/yuthon_holiday/models/inherit_hr_leave_allocation.py
+++ b/yuthon_holiday/models/inherit_hr_leave_allocation.py
@@ -8,6 +8,12 @@ class HrLeaveAllocation(models.Model):
 
     HOURS_PER_DAY = 8.0
 
+    is_reduce_compensatory = fields.Boolean(
+        string='减少补休',
+        default=False,
+        help='标识此补休分配是否为扣减操作。填写负数时自动勾选，写入考勤确认单时走 reduce 逻辑。'
+    )
+
     @api.depends('holiday_status_id', 'allocation_type', 'number_of_hours_display', 'number_of_days_display', 'date_to')
     def _compute_from_holiday_status_id(self):
         super()._compute_from_holiday_status_id()
@@ -34,6 +40,30 @@ class HrLeaveAllocation(models.Model):
     start_time = fields.Date(string="开始时间")
     end_time = fields.Date(string="结束时间")
 
+    @api.model_create_multi
+    def create(self, vals_list):
+        """拦截补休的负数天数，绕过 SQL CHECK 约束"""
+        for vals in vals_list:
+            if vals.get('number_of_days', 0) < 0:
+                holiday_status_id = vals.get('holiday_status_id')
+                if holiday_status_id:
+                    status = self.env['hr.leave.type'].browse(holiday_status_id)
+                    if status.name == '补休':
+                        vals['is_reduce_compensatory'] = True
+                        vals['number_of_days'] = abs(vals['number_of_days'])
+        return super().create(vals_list)
+
+    def write(self, vals):
+        """拦截补休的负数天数，绕过 SQL CHECK 约束（allocation_type=regular 时 number_of_days 必须 > 0）"""
+        if vals.get('number_of_days', 0) < 0:
+            for rec in self:
+                if rec.holiday_status_id.name == '补休':
+                    vals = dict(vals)
+                    vals['is_reduce_compensatory'] = True
+                    vals['number_of_days'] = abs(vals['number_of_days'])
+                    break
+        return super().write(vals)
+
     @api.onchange('users_role_ids')
     def onchange_employee_ids(self):
         users_role_list = []
@@ -285,9 +315,9 @@ class HrLeaveAllocation(models.Model):
                         logger.info("按旧方式删除年假明细行并重新计算")
             
             elif leave.holiday_status_id.name == '补休':
-                # 精确查找并删除当前表单添加的补休明细行
+                # 精确查找并删除当前表单添加的补休明细行（增加和减少类型都处理）
                 lines_to_delete = reports_id.overtime_ids.filtered(
-                    lambda o: o.update_type == 'add' and o.allocation_id.id == leave.id
+                    lambda o: o.update_type in ('add', 'reduce') and o.allocation_id.id == leave.id
                 )
                 logger.info(f"找到需要删除的补休明细行数量: {len(lines_to_delete)}")
                 if lines_to_delete:
@@ -358,15 +388,23 @@ class HrLeaveAllocation(models.Model):
                 
                 if reports_id:
                     rest_hours = leave.number_of_days_display * 8
+                    # 根据 is_reduce_compensatory 判断增加还是减少
+                    # （number_of_days 已被 write 拦截转为正数以绕过 SQL CHECK 约束）
+                    if leave.is_reduce_compensatory:
+                        update_type = 'reduce'
+                        workday = rest_hours
+                    else:
+                        update_type = 'add'
+                        workday = rest_hours
                     reports_id.write({
                         'valid_date1': leave.date_to,
                         'overtime_ids': [(0, 0, {
                             'vacation_id': reports_id.id,
                             'allocation_id': leave.id,
-                            'update_type': 'add',
+                            'update_type': update_type,
                             'update_date': fields.Datetime.now(),
                             'valid_date': leave.date_to,
-                            'workday': rest_hours,
+                            'workday': workday,
                             'text': leave.name or '补休分配'
                         })]
                     })
diff --git a/yuthon_hr_attendance/views/inherit_planning_slot_views.xml b/yuthon_hr_attendance/views/inherit_planning_slot_views.xml
index a9ee57c84..72f47822f 100644
--- a/yuthon_hr_attendance/views/inherit_planning_slot_views.xml
+++ b/yuthon_hr_attendance/views/inherit_planning_slot_views.xml
@@ -27,11 +27,11 @@
             <xpath expr="//footer/button[@name='auto_plan_id']" position="replace"></xpath>
             <xpath expr="//footer/button[@name='action_unpublish']" position="replace"></xpath>
 
-            <!-- 补休按钮：加在模板选择字段后面 -->
+            <!-- 计划班调补休申请按钮：加在模板选择字段后面 -->
             <xpath expr="//field[@name='template_id'][last()]" position="after">
                 <div class="d-flex justify-content-end">
-                    <button name="action_compensatory_leave" string="补休" type="object"
-                            class="btn-primary" confirm="确认将此班次转为补休？"/>
+                    <button name="action_compensatory_leave" string="申请补休" type="object"
+                            class="btn-primary"/>
                 </div>
             </xpath>
         </field>