diff --git a/server/apps/ability/serializers_qtask.py b/server/apps/ability/serializers_qtask.py
index 5af04f3..7976e24 100644
--- a/server/apps/ability/serializers_qtask.py
+++ b/server/apps/ability/serializers_qtask.py
@@ -142,6 +142,9 @@ class QActionQualiUpdateSerializer(serializers.ModelSerializer):
     
     def create(self, validated_data):
         validated_data['action'] = 'quali:update'
+        value2 = validated_data['value2']
+        if value2['file']:
+            value2['file'] = value2['file'].id
         return super().create(validated_data)
 
 class QActionACreateSerializer(serializers.ModelSerializer):