diff --git a/sf_manufacturing/wizard/sale_order_cancel.py b/sf_manufacturing/wizard/sale_order_cancel.py
index be263703..b76d6d99 100644
--- a/sf_manufacturing/wizard/sale_order_cancel.py
+++ b/sf_manufacturing/wizard/sale_order_cancel.py
@@ -274,6 +274,7 @@ class SFSaleOrderCancelLine(models.TransientModel):
                         }
                         lines.append(self.create(vals))
                         sequence += 1
+                        break
 
             # 检查制造订单的工单
             if mo.workorder_ids: