diff --git a/sf_manufacturing/models/mrp_workorder.py b/sf_manufacturing/models/mrp_workorder.py
index 60d17052..070ff404 100644
--- a/sf_manufacturing/models/mrp_workorder.py
+++ b/sf_manufacturing/models/mrp_workorder.py
@@ -513,11 +513,10 @@ class ResMrpWorkOrder(models.Model):
         return result
 
     def _get_surface_technics_purchase_ids(self):
-        domain = [('origin', 'like', '%' + self.production_id.name + '%'), ('purchase_type', '=', 'consignment')]
+        domain = [('origin', 'like', '%' + self.production_id.name + '%'), ('purchase_type', '=', 'consignment'), ('state', '!=', 'cancel')]
         # domain = [('origin', 'like', '%' + self.production_id.name + '%'), ('purchase_type', '=', 'consignment')]
         # domain = [('group_id', '=', self.production_id.procurement_group_id.id), ('purchase_type', '=', 'consignment')]
-        purchase_orders = self.env['purchase.order'].search(domain, order='id desc',  # 按创建时间降序（最新的在前）
-                                                            limit=1)
+        purchase_orders = self.env['purchase.order'].search(domain, order='id desc')
         purchase_orders_id = self.env['purchase.order']
         for po in purchase_orders:
             for line in po.order_line: