diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 28311394..febe52e6 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -542,6 +542,7 @@ class MlogSerializer(CustomModelSerializer):
                 raise ParseError('未提供消耗的车间物料')
             attrs['mgroup'] = fmlog.mgroup
             attrs['mtask'] = fmlog.mtask
+            attrs['route'] = fmlog.route
             attrs['mtype'] = fmlog.mgroup.mtype
             if attrs['mtask'] and attrs['mtask'].route:
                 attrs['route'] = attrs['mtask'].route
@@ -553,8 +554,8 @@ class MlogSerializer(CustomModelSerializer):
                 pass
             else:
                 raise ParseError('非合格品不可使用')
-            if wm_in.material != attrs['mtask'].material_in:
-                raise ParseError('消耗物料与任务不一致')
+            if wm_in.material != attrs['route'].material_in:
+                raise ParseError('消耗物料与工艺步骤不一致')
             if attrs['mtype']  == Mlog.MTYPE_OUT:
                 supplier = attrs.get('supplier', None)
                 if not supplier: