diff --git a/sf_manufacturing/wizard/sale_order_cancel.py b/sf_manufacturing/wizard/sale_order_cancel.py
index 9007c50f..eda8a0b8 100644
--- a/sf_manufacturing/wizard/sale_order_cancel.py
+++ b/sf_manufacturing/wizard/sale_order_cancel.py
@@ -77,7 +77,7 @@ class SFSaleOrderCancelWizard(models.TransientModel):
             ('origin', '=', self.order_id.name)
         ])
         if purchase_request_lines:
-            purchase_request_lines.write({'state': 'cancel'})
+            purchase_request_lines.write({'request_state': 'cancel'})
         
         # 取消销售订单关联的采购申请
         purchase_requests = self.env['purchase.request'].search([