diff --git a/sf_plan/models/custom_plan.py b/sf_plan/models/custom_plan.py
index 7fcec54e..4c4e4b30 100644
--- a/sf_plan/models/custom_plan.py
+++ b/sf_plan/models/custom_plan.py
@@ -254,6 +254,7 @@ class sf_production_plan(models.Model):
                         # 人工线下加工只排第一张工单
                         item = record.production_id.workorder_ids[0]
                         wo_start = record.date_planned_start if record.date_planned_start else datetime.now()
+                        routing_workcenter = item.technology_design_id.route_id
                         item.date_planned_start = datetime.now() - timedelta(days=100)
                         item.date_planned_finished = wo_start + timedelta(
                             minutes=routing_workcenter.time_cycle)