fix typo in INDEX_URL (#54)

bot/helper/mirror_utils/upload_utils/gdriveTools.py

@@ -412,7 +412,7 @@ class GoogleDriveHelper:
                 msg += f"⁍ <a href='https://drive.google.com/uc?id={file.get('id')}" \
                        f"&export=download'>{file.get('name')}</a> ({get_readable_file_size(int(file.get('size')))})"
                 if INDEX_URL is not None:
-                    url = requests.utils.requote_uri(f'{INDEX_URL}/{file.get("name")}/')
+                    url = requests.utils.requote_uri(f'{INDEX_URL}/{file.get("name")}')
                     msg += f' | <a href="{url}"> Index URL</a>'
             msg += '\n'
         return msg