diff --git a/apps/qm/serializers.py b/apps/qm/serializers.py
index bb71fbfa..5238ac83 100644
--- a/apps/qm/serializers.py
+++ b/apps/qm/serializers.py
@@ -57,6 +57,7 @@ class QctTestItemSerializer(CustomModelSerializer):
 
 class QctDefectSerializer(CustomModelSerializer):
     defect_name = serializers.CharField(source='defect.name', read_only=True)
+    defect_okcate = serializers.CharField(source='defect.okcate', read_only=True)
     class Meta:
         model = QctDefect
         fields = '__all__'