diff --git a/sf_demand_plan/models/sf_production_demand_plan.py b/sf_demand_plan/models/sf_production_demand_plan.py
index ca957bfb..9f53f163 100644
--- a/sf_demand_plan/models/sf_production_demand_plan.py
+++ b/sf_demand_plan/models/sf_production_demand_plan.py
@@ -615,6 +615,11 @@ class SfProductionDemandPlan(models.Model):
         # 按产品分组并计算总数
         product_data = {}
         for plan in filtered_plan:
+            check_overdelivery_allowed = False
+            if not plan.demand_plan_id.overdelivery_allowed:
+                customer_location_id = self.env['ir.model.data']._xmlid_to_res_id('stock.stock_location_customers')
+                if plan.location_id.id == customer_location_id:
+                    check_overdelivery_allowed = True 
             if plan.product_id not in product_data:
                 # 初始化产品数据，从产品上获取需求量
                 product_data[plan.product_id] = {
@@ -624,17 +629,22 @@ class SfProductionDemandPlan(models.Model):
 
             # 累加计划数量
             product_data[plan.product_id]['plan_uom_qty'] += plan.plan_uom_qty
+            product_data[plan.product_id]['overdelivery_allowed'] = check_overdelivery_allowed
         # 检查需求超过计划数量的产品
         warning_messages = []
+        error_messages = []
         for product, data in product_data.items():
-            if float_compare(data['plan_uom_qty'], data['product_uom_qty'],
+            if data['overdelivery_allowed'] and float_compare(data['plan_uom_qty'], data['product_uom_qty'],precision_rounding=product.uom_id.rounding) == 1:
+                error_messages.append(f"您正在下达的产品 {product.display_name},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(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 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”。")
+        if error_messages:
+            error_message = "\n".join(error_messages)
+            raise ValidationError(error_message)
         elif warning_messages:
             warning_message = "\n".join(warning_messages)
             return {