diff --git a/sf_demand_plan/models/sf_demand_plan.py b/sf_demand_plan/models/sf_demand_plan.py
index 7707eec3..705a4e6f 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',
@@ -211,7 +213,13 @@ 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:
+        customer_location_id = self.env['ir.model.data']._xmlid_to_res_id('stock.stock_location_customers')
+        if not self.overdelivery_allowed and line_ids.filtered(lambda p: p.location_id.id == customer_location_id):
+            if float_compare(sum_product_uom_qty, self.product_uom_qty,
+                                          precision_rounding=self.product_id.uom_id.rounding) == 1:
+                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 float_compare(sum_product_uom_qty, self.product_uom_qty,
+                                          precision_rounding=self.product_id.uom_id.rounding) == 1: 
             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 d0005ca0..1d4b616a 100644
--- a/sf_demand_plan/models/sf_production_demand_plan.py
+++ b/sf_demand_plan/models/sf_production_demand_plan.py
@@ -595,6 +595,11 @@ 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:
+            customer_location_id = self.env['ir.model.data']._xmlid_to_res_id('stock.stock_location_customers')
+            if self.location_id.id == customer_location_id:
+                check_overdelivery_allowed = True
         # 按产品分组并计算总数
         product_data = {}
         for plan in filtered_plan:
@@ -610,12 +615,15 @@ class SfProductionDemandPlan(models.Model):
         # 检查需求超过计划数量的产品
         warning_messages = []
         for product, data in product_data.items():
-            if data['plan_uom_qty'] > data['product_uom_qty']:
+            if float_compare(data['plan_uom_qty'], data['product_uom_qty'],
+                                          precision_rounding=product.uom_id.rounding) == 1:
                 warning_messages.append(
                     _("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'),
@@ -634,7 +642,15 @@ 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:
+            customer_location_id = self.env['ir.model.data']._xmlid_to_res_id('stock.stock_location_customers')
+            if self.location_id.id == customer_location_id:
+                check_overdelivery_allowed = True
+        if check_overdelivery_allowed:
+            if float_compare(self.plan_uom_qty, self.product_uom_qty,precision_rounding=self.product_id.uom_id.rounding) == 1:
+                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 float_compare(self.plan_uom_qty, self.product_uom_qty,precision_rounding=self.product_id.uom_id.rounding) == 1:
             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 13718b51..7e7ff61b 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>