diff --git a/bilix/download/base_downloader_part.py b/bilix/download/base_downloader_part.py
index a9c98a50..c8458de7 100644
--- a/bilix/download/base_downloader_part.py
+++ b/bilix/download/base_downloader_part.py
@@ -7,7 +7,7 @@
 import uuid
 import random
 import os
-import cgi
+from email.message import Message
 from pymp4.parser import Box
 from bilix.download.base_downloader import BaseDownloader
 from bilix.download.utils import path_check, merge_files
@@ -48,8 +48,9 @@ async def _pre_req(self, urls: List[str]) -> Tuple[int, str]:
         total = int(res.headers['Content-Range'].split('/')[-1])
         # get filename
         if content_disposition := res.headers.get('Content-Disposition', None):
-            key, pdict = cgi.parse_header(content_disposition)
-            filename = pdict.get('filename', '')
+            m = Message()
+            m['content-type'] = content_disposition
+            filename = m.get_param('filename', '')
         else:
             filename = ''
         # change origin url to redirected position to avoid twice redirect