diff --git a/apps/dataset/serializers/image_serializers.py b/apps/dataset/serializers/image_serializers.py
index 3d2e5ba5bb2..694b6dea5d7 100644
--- a/apps/dataset/serializers/image_serializers.py
+++ b/apps/dataset/serializers/image_serializers.py
@@ -13,13 +13,13 @@
 from rest_framework import serializers
 
 from common.exception.app_exception import NotFound404
-from common.field.common import UploadedFileField
+from common.field.common import UploadedImageField
 from common.util.field_message import ErrMessage
 from dataset.models import Image
 
 
 class ImageSerializer(serializers.Serializer):
-    image = UploadedFileField(required=True, error_messages=ErrMessage.file("图片"))
+    image = UploadedImageField(required=True, error_messages=ErrMessage.image("图片"))
 
     def upload(self, with_valid=True):
         if with_valid:
diff --git a/apps/smartdoc/settings/base.py b/apps/smartdoc/settings/base.py
index 5cba1e8e1ee..0113ef855ed 100644
--- a/apps/smartdoc/settings/base.py
+++ b/apps/smartdoc/settings/base.py
@@ -3,13 +3,15 @@
 import os
 from pathlib import Path
 
+from PIL import Image
+
 from ..const import CONFIG, PROJECT_DIR
 
 mimetypes.add_type("text/css", ".css", True)
 mimetypes.add_type("text/javascript", ".js", True)
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
-
+Image.MAX_IMAGE_PIXELS = 20000000000
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/