diff --git a/jikimo_purchase_request/models/purchase_order.py b/jikimo_purchase_request/models/purchase_order.py
index 5284be7a..0ad804b9 100644
--- a/jikimo_purchase_request/models/purchase_order.py
+++ b/jikimo_purchase_request/models/purchase_order.py
@@ -31,46 +31,20 @@ class PurchaseOrder(models.Model):
     
     def button_cancel(self):
         """
-            将取消的采购订单关联的库存移动撤销
+            1. 先将采购订单行与目标库存移动断开链接，避免采购单取消后，调拨单被调整为mts的问题
+            2. 取消采购订单
+            3. 将采购订单行与目标库存移动重新建立链接
         """
-        move_ids = self.order_line.move_dest_ids.filtered(lambda move: move.state != 'done' and not move.scrapped)
-        move_line_ids = {}
-        move_states = { move_id.id: move_id.state for move_id in move_ids }
-        move_orig_ids = move_ids.move_orig_ids
-        move_dest_ids = move_ids.move_dest_ids
-        for move_line_id in move_ids.move_line_ids:
-            move_line_ids[move_line_id.move_id.id] = move_line_id.copy()
-            move_line_ids[move_line_id.move_id.id].move_id = False
-            move_line_ids[move_line_id.move_id.id].reserved_uom_qty = move_line_id.reserved_uom_qty
-
+        created_purchase_request_line_ids = {}
+        if self.order_line.move_dest_ids.created_purchase_request_line_id:
+            move_ids = self.order_line.move_dest_ids.filtered(lambda move: move.state != 'done' and not move.scrapped)
+            created_purchase_request_line_ids = {move.id: move.created_purchase_request_line_id for move in move_ids}
+            self.order_line.write({'move_dest_ids': [(5, 0, 0)]})
         res =super(PurchaseOrder, self).button_cancel()
-
-        if move_ids.mapped('created_purchase_request_line_id'):
-            # 如果采购订单关联了采购申请，则将库存移动的状态设置为等待
-            move_ids.write({'state': 'waiting', 'is_done': False})
-            move_ids.write({'move_orig_ids': [(4, move_orig_id.id, 0) for move_orig_id in move_orig_ids]})
-            move_ids.write({'move_dest_ids': [(4, move_dest_id.id, 0) for move_dest_id in move_dest_ids]})
-            for move_id in move_ids:
-                move_id.write({'procure_method': 'make_to_order', 'state': move_states[move_id.id]})
-                move_id.write({'move_line_ids': [(4, move_line_ids[move_id.id].id, 0)]}) 
-                move_id._action_assign()
-                origin_move_id = move_id
-                # 追回原mto的库存移动
-                link_move_ids = self.env['stock.move'].search([
-                    ('origin','=',move_id.origin),
-                    ('procure_method','=','make_to_stock'),
-                    ('product_id','=',move_id.product_id.id),
-                    ('id', '!=', move_id.id)
-                ])
-                while link_move_ids:
-                    link_move_id = link_move_ids.filtered(lambda move: move.location_id == origin_move_id.location_dest_id)
-                    link_move_id.write({
-                        'move_orig_ids': [(4, origin_move_id.id, 0)] if origin_move_id != link_move_id else [],
-                        'procure_method': 'make_to_order',
-                    })
-                    origin_move_id = link_move_id
-                    link_move_ids -= link_move_id
-            
+        for move_id, created_purchase_request_line_id in created_purchase_request_line_ids.items():
+            self.env['stock.move'].browse(move_id).created_purchase_request_line_id = created_purchase_request_line_id
+        # if move_ids.mapped('created_purchase_request_line_id'):
+        #     move_ids.write({'state': 'waiting', 'is_done': False})
         return res
 
     def write(self, vals):