diff --git a/apps/qm/models.py b/apps/qm/models.py
index 409c3c6f..7c016672 100644
--- a/apps/qm/models.py
+++ b/apps/qm/models.py
@@ -52,7 +52,7 @@ class NotOkOption(models.TextChoices):
     txd = "txd", _("同心度")
     hd = "hd", _("厚度")
 
-    wz = "wz", _("未知")
+    qt = "qt", _("其它")
 
 FTEST_TYPE_CHOICES = (
     ('first', '首件检验'),
diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index ba89e839..089fff16 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -179,7 +179,7 @@ class WMaterialSerializer(CustomModelSerializer):
     notok_sign_name = serializers.SerializerMethodField()
 
     def get_notok_sign_name(self, obj):
-        return getattr(NotOkOption, obj.notok_sign, NotOkOption.wz).label if obj.notok_sign else None
+        return getattr(NotOkOption, obj.notok_sign, NotOkOption.qt).label if obj.notok_sign else None
 
     class Meta:
         model = WMaterial