diff --git a/apps/wpm/filters.py b/apps/wpm/filters.py
index ebad7086..50b2df05 100644
--- a/apps/wpm/filters.py
+++ b/apps/wpm/filters.py
@@ -47,7 +47,8 @@ class WMaterialFilter(filters.FilterSet):
             "batch": ["exact", "contains"],
             "mgroup": ["exact", "in", "isnull"],
             "mgroup__name": ["exact", "in"],
-            "count": ["gte", "lte", "exact"]
+            "count": ["gte", "lte", "exact"],
+            "notok_sign": ["exact", "in", "isnull"]
         }
 
 class MlogFilter(filters.FilterSet):
diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 8c28541e..02dff1d6 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -368,6 +368,8 @@ class MlogbInSerializer(CustomModelSerializer):
         mlog: Mlog = attrs['mlog']
         mtask: Mtask = attrs['mtask']
         wm_in: WMaterial = attrs['wm_in']
+        if wm_in.notok_sign is not None:
+            raise ValidationError('不合格物料不可使用')
         if mlog.route != mtask.route:
             raise ValidationError('工序不匹配')
         route = mlog.route