diff --git a/sf_manufacturing/models/mrp_workorder.py b/sf_manufacturing/models/mrp_workorder.py
index df303c9c..f8475338 100644
--- a/sf_manufacturing/models/mrp_workorder.py
+++ b/sf_manufacturing/models/mrp_workorder.py
@@ -1553,7 +1553,8 @@ class ResMrpWorkOrder(models.Model):
                     lambda wo: wo.is_subcontract == True and wo.state != 'cancel').sorted('sequence')
                 if self == subcontract_workorders[-1]:
                     # 给下一个库存移动就绪
-                    self.move_subcontract_workorder_ids[0].move_dest_ids._action_done()
+                    if self.move_subcontract_workorder_ids:
+                        self.move_subcontract_workorder_ids[0].move_dest_ids._action_done()
                     # self.production_id.button_mark_done()
             tem_date_planned_finished = record.date_planned_finished
             tem_date_finished = record.date_finished