diff --git a/requirements.txt b/requirements.txt
index 64e3019..626f87e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 pytypecho==2.1.0
 pymysql==1.0.2
 python-dotenv==0.21.0
+requests==2.31.0
\ No newline at end of file
diff --git a/transfer_md/transfer.py b/transfer_md/transfer.py
index b8af70b..b5de115 100644
--- a/transfer_md/transfer.py
+++ b/transfer_md/transfer.py
@@ -3,7 +3,7 @@ import re
 import shutil
 import uuid
 from upload_img import upload_image
-
+from download_img import download_image
 
 def extract_image_paths(content):
     """
diff --git a/transfer_md/upload_img.py b/transfer_md/upload_img.py
index 9c5ea88..4751769 100644
--- a/transfer_md/upload_img.py
+++ b/transfer_md/upload_img.py
@@ -1,6 +1,5 @@
 import requests
 
-
 def upload_image(img_path: str) -> str:
     """
     上传本地图片到 easyimage 图床，并返回图片的公网地址。