diff --git a/sf_manufacturing/models/mrp_production.py b/sf_manufacturing/models/mrp_production.py
index 1dd6049a..24d4bdd1 100644
--- a/sf_manufacturing/models/mrp_production.py
+++ b/sf_manufacturing/models/mrp_production.py
@@ -1537,7 +1537,7 @@ class MrpProduction(models.Model):
             product_id = self.env['product.product'].browse(vals['product_id'])
             is_self_process = product_id.materials_type_id and product_id.materials_type_id.gain_way and product_id.materials_type_id.gain_way != '自加工'
             is_customer_provided = product_id.is_customer_provided
-            if not is_custemer_group_id.get(is_customer_provided):
+            if not is_custemer_group_id.get(is_customer_provided) and is_self_process:
                 is_custemer_group_id[is_customer_provided] = self.env["procurement.group"].create({'name': vals.get('name')}).id
             # if not (is_first_customer or is_first_not_customer) and is_self_process:
             #     is_first = True