diff --git a/sf_manufacturing/models/purchase_order.py b/sf_manufacturing/models/purchase_order.py
index de802d66..39e8f23d 100644
--- a/sf_manufacturing/models/purchase_order.py
+++ b/sf_manufacturing/models/purchase_order.py
@@ -137,17 +137,6 @@ class PurchaseOrderLine(models.Model):
                     )
                     record.part_number = filtered_order_line.product_id.part_number if filtered_order_line else None
                     record.part_name = filtered_order_line.product_id.part_name if filtered_order_line else None
-            elif record.product_id.categ_id.name == '表面工艺':
-                domain = [('name', '=', self.production_id.name),
-                          ('purchase_type', '=', 'consignment')]
-                purchase_orders = self.env['purchase.order'].search(domain)
-                purchase_orders_id = self.env['purchase.order']
-                for po in purchase_orders:
-                    for line in po.order_line:
-                        if line.product_id.server_product_process_parameters_id == self.surface_technics_parameters_id:
-                            if line.product_qty == 1:
-                                purchase_orders_id = line.order_id
-                return purchase_orders_id
             else:
                 record.part_number = record.product_id.part_number
                 record.part_name = record.product_id.part_name