diff --git a/apps/sam/services.py b/apps/sam/services.py
index 7fcedc6f..38a843b2 100644
--- a/apps/sam/services.py
+++ b/apps/sam/services.py
@@ -12,7 +12,7 @@ class SamService:
         """
         order = mio.order
         for i in MIOItem.objects.filter(mio=mio):
-            orderitem = OrderItem.objects.get(order=order, product=i.material)
+            orderitem = OrderItem.objects.get(order=order, material=i.material)
             delivered_count = orderitem.delivered_count + i.count
             if delivered_count > orderitem.count:
                 raise ValidationError((f'{i.material.name}-超出订单所需数量'))