diff --git a/server/apps/quality/serializers.py b/server/apps/quality/serializers.py
index ba1e3ca..7ee7835 100644
--- a/server/apps/quality/serializers.py
+++ b/server/apps/quality/serializers.py
@@ -2,12 +2,12 @@ from re import template
 from django.db.models.base import Model
 from rest_framework import serializers
 from .models import *
-from apps.system.serializers import OrganizationSerializer,FileListSerializer,UserSimpleSerializer,OrganizationSimpleSerializer, FileSimpleSerializer
+from apps.system.serializers import FileSerializer, OrganizationSerializer,FileListSerializer,UserSimpleSerializer,OrganizationSimpleSerializer, FileSimpleSerializer
 from rest_framework.exceptions import ParseError, APIException
 
 class DocumentSerializer(serializers.ModelSerializer):
 
-    file_ = FileListSerializer(source='file', read_only=True)
+    file_ = FileSerializer(source='file', read_only=True)
     class Meta:
         model = Document
         fields = '__all__'