diff --git a/apps/qm/serializers.py b/apps/qm/serializers.py
index b3ed64ec..9320ff40 100644
--- a/apps/qm/serializers.py
+++ b/apps/qm/serializers.py
@@ -76,7 +76,7 @@ class FtestWorkCreateUpdateSerializer(CustomModelSerializer):
         count_notok = 0
         for k, v in count_notok_json.items():
             k_2 = k.replace('count_n_', '')
-            if k not in NotOkOption.values:
+            if k_2 not in NotOkOption.values:
                 raise ValidationError(f'不支持的不合格项{k_2}')
             if isinstance(v, int) and v >= 0:
                 count_notok = count_notok + v