diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index cb0a08d6..107c2f76 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -382,8 +382,6 @@ 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