diff --git a/sf_demand_plan/models/sf_demand_plan.py b/sf_demand_plan/models/sf_demand_plan.py
index 63371dfd..5dace536 100644
--- a/sf_demand_plan/models/sf_demand_plan.py
+++ b/sf_demand_plan/models/sf_demand_plan.py
@@ -72,6 +72,8 @@ class SfDemandPlan(models.Model):
         ('4', '低'),
     ], string='优先级', default='3')
 
+    overdelivery_allowed = fields.Boolean('可超量发货', default=False)
+
     hide_button_release_plan = fields.Boolean(
         string='显示下达计划按钮',
         compute='_compute_hide_button_release_plan',
@@ -194,7 +196,9 @@ class SfDemandPlan(models.Model):
     def button_production_release_plan(self):
         line_ids = self.line_ids.filtered(lambda p: p.status == '30')
         sum_product_uom_qty = sum(line_ids.mapped('plan_uom_qty'))
-        if sum_product_uom_qty > self.product_uom_qty:
+        if sum_product_uom_qty > self.product_uom_qty and not self.overdelivery_allowed and line_ids.filtered(lambda p: p.location_id.name == '客户'):
+            raise ValidationError(f"已禁止向合作伙伴/客户超量发货，请更换“补货原因”或将“可超量发货”设置为“是”。")
+        elif sum_product_uom_qty > self.product_uom_qty: 
             return {
                 'name': _('需求计划'),
                 'type': 'ir.actions.act_window',
diff --git a/sf_demand_plan/models/sf_production_demand_plan.py b/sf_demand_plan/models/sf_production_demand_plan.py
index a0b5bb92..ab70276e 100644
--- a/sf_demand_plan/models/sf_production_demand_plan.py
+++ b/sf_demand_plan/models/sf_production_demand_plan.py
@@ -592,6 +592,10 @@ class SfProductionDemandPlan(models.Model):
         filtered_plan = self.filtered(lambda mo: mo.status == '30')
         if not filtered_plan:
             raise UserError(_("没有需要下达的计划！"))
+        check_overdelivery_allowed = False
+        if not self.demand_plan_id.overdelivery_allowed:
+            if self.location_id.name == '客户':
+                check_overdelivery_allowed = True
         # 按产品分组并计算总数
         product_data = {}
         for plan in filtered_plan:
@@ -612,7 +616,9 @@ class SfProductionDemandPlan(models.Model):
                     _("您正在下达的产品 %s，计划量%s，需求数量为%s，已超过需求数量") %
                     (product.display_name, data['plan_uom_qty'], data['product_uom_qty'])
                 )
-        if warning_messages:
+        if warning_messages and check_overdelivery_allowed:
+            raise ValidationError(f"已禁止向合作伙伴/客户超量发货，请更换“补货原因”或将“可超量发货”设置为“是”。")
+        elif warning_messages:
             warning_message = "\n".join(warning_messages)
             return {
                 'name': _('需求计划'),
@@ -631,7 +637,13 @@ class SfProductionDemandPlan(models.Model):
         self.ensure_one()
         if not self.new_supply_method:
             raise ValidationError(f"供货方式不能为空！")
-        if self.plan_uom_qty > self.product_uom_qty:
+        check_overdelivery_allowed = False
+        if not self.demand_plan_id.overdelivery_allowed:
+            if self.location_id.name == '客户':
+                check_overdelivery_allowed = True
+        if self.plan_uom_qty > self.product_uom_qty and check_overdelivery_allowed:
+            raise ValidationError(f"已禁止向合作伙伴/客户超量发货，请更换“补货原因”或将“可超量发货”设置为“是”。")
+        elif self.plan_uom_qty > self.product_uom_qty:
             return {
                 'name': _('需求计划'),
                 'type': 'ir.actions.act_window',
diff --git a/sf_demand_plan/views/demand_plan_info.xml b/sf_demand_plan/views/demand_plan_info.xml
index 74d9f213..943fbc80 100644
--- a/sf_demand_plan/views/demand_plan_info.xml
+++ b/sf_demand_plan/views/demand_plan_info.xml
@@ -35,6 +35,7 @@
                             <field name="model_machining_precision"/>
                             <field name="inventory_quantity_auto_apply"/>
                             <field name="priority" attrs="{'readonly': [('state',  'in', ('40','50'))]}"/>
+                            <field name="overdelivery_allowed"/>
                         </group>
                     </group>
                     <notebook>