diff --git a/sf_manufacturing/models/mrp_production.py b/sf_manufacturing/models/mrp_production.py
index 6aa4c6c3..b5d42f0e 100644
--- a/sf_manufacturing/models/mrp_production.py
+++ b/sf_manufacturing/models/mrp_production.py
@@ -690,6 +690,41 @@ class MrpProduction(models.Model):
         return True
 
     def _reset_work_order_sequence(self):
+        """
+        工单工序排序方法(新)
+        """
+        for rec in self:
+            workorder_ids = rec.workorder_ids
+            technology_design_ids = rec.technology_design_ids
+            if workorder_ids.filtered(lambda item: item.state in ('返工', 'rework')):
+                # 获取返工后新生成的工单
+                work_ids = workorder_ids.filtered(lambda item: item.sequence == 0)
+                # 对工单进行逐个插入
+                for work_id in work_ids:
+                    for order_id in rec.workorder_ids.filtered(lambda item: item.sequence > 0):
+                        if work_id.name == order_id.name:
+                            work_id.sequence = order_id.sequence + 1
+                            break
+                    # 对该工单之后的工单工序进行加一
+                    work_order_ids = rec.workorder_ids.filtered(lambda item: item.sequence >= work_id.sequence)
+                    for work in work_order_ids:
+                        work.sequence = work.sequence + 1
+
+            else:
+                # 将工艺设计生成的工单序号赋值给工单的序号
+                for work in workorder_ids:
+                    td_ids = technology_design_ids.filtered(
+                        lambda item: (item.route_id.name in work.name and item.process_parameters_id
+                                      and item.process_parameters_id == work.surface_technics_parameters_id) or
+                                     (item.route_id.name == work.name and item.panel
+                                      and item.panel == work.processing_panel))
+                    if td_ids:
+                        work.sequence = td_ids[0].sequence
+
+    def _reset_work_order_sequence_1(self):
+        """
+        工单工序排序方法（旧）
+        """
         for rec in self:
             workorder_ids = rec.workorder_ids.filtered(lambda item: item.state in ('返工', 'rework'))
             # 产品模型类型