diff --git a/sf_manufacturing/wizard/sale_order_cancel.py b/sf_manufacturing/wizard/sale_order_cancel.py
index 32624ff7..fc641945 100644
--- a/sf_manufacturing/wizard/sale_order_cancel.py
+++ b/sf_manufacturing/wizard/sale_order_cancel.py
@@ -210,7 +210,7 @@ class SFSaleOrderCancelLine(models.TransientModel):
         ])
         d = 0
         # 在领料单处只进行一次
-        flag = true
+        flag = True
         for mo in manufacturing_orders:
             # 添加制造订单本身
             d += 1