fix 下载图片变小问题

Author: lemisky

src/aligo/apis/Download.py

@@ -165,7 +165,7 @@ def download_file(
             if file.type == 'folder':
                 raise AligoException('文件类型不对：期待文件，得到的是文件夹')
             file_path = os.path.join(local_folder, file.name)
-            url = file.download_url or file.url or self._core_get_download_url(GetDownloadUrlRequest(
+            url = file.download_url or self._core_get_download_url(GetDownloadUrlRequest(
                 file_id=file.file_id,
                 drive_id=file.drive_id,
                 file_name=file.name,