diff --git a/apps/qm/serializers.py b/apps/qm/serializers.py
index 1a8892e9..34506f4f 100644
--- a/apps/qm/serializers.py
+++ b/apps/qm/serializers.py
@@ -40,7 +40,7 @@ class QctItemSerializer(CustomModelSerializer):
     defect_name = serializers.StringRelatedField(source='defect', read_only=True)
     testitem_name = serializers.CharField(source='testitem.name', read_only=True)
     class Meta:
-        model = Qct
+        model = QctItem
         fields = '__all__'
 
 class QctMatSerializer(CustomModelSerializer):