diff --git a/apps/inm/services.py b/apps/inm/services.py
index 5d705d31..35bd46a5 100644
--- a/apps/inm/services.py
+++ b/apps/inm/services.py
@@ -88,7 +88,7 @@ def do_out(item: MIOItem):
             if mioitemws.count() != item.count:
                 raise ParseError("出入库与明细数量不一致,操作失败")
             for mioitemw in mioitemws:
-                Wpr.change_or_new(mioitemw.number, i.material, mb=None, wm=wm)
+                Wpr.change_or_new(mioitemw.number, item.material, mb=None, wm=wm)
 
     # 触发批次统计分析
     xbatches = list(set(xbatches))