diff --git a/biliarchiver/_biliarchiver_upload_bvid.py b/biliarchiver/_biliarchiver_upload_bvid.py
index de47ac2..45c55eb 100644
--- a/biliarchiver/_biliarchiver_upload_bvid.py
+++ b/biliarchiver/_biliarchiver_upload_bvid.py
@@ -178,7 +178,7 @@ def _upload_bvid(bvid: str, *, update_existing: bool = False, collection: str):
         md = xml_chars_legalize(obj=md)
         assert isinstance(md, dict)
         if hash(json.dumps(md)) != _md_before:
-            print(f"Removed XML illegal characters from metadata, cleaned metadata:")
+            print("Removed XML illegal characters from metadata, cleaned metadata:")
             print(md)
 
         if filedict:
@@ -212,7 +212,7 @@ def _upload_bvid(bvid: str, *, update_existing: bool = False, collection: str):
         if item.metadata.get("external-identifier") != md['external-identifier']:
             new_md["external-identifier"] = md['external-identifier']
         if new_md:
-            print(f"Updating metadata:")
+            print("Updating metadata:")
             print(new_md)
 
             # remove XML illegal characters
@@ -220,7 +220,7 @@ def _upload_bvid(bvid: str, *, update_existing: bool = False, collection: str):
             new_md = xml_chars_legalize(obj=new_md)
             assert isinstance(new_md, dict)
             if hash(json.dumps(new_md)) != _md_before:
-                print(f"Removed XML illegal characters from metadata, cleaned metadata:")
+                print("Removed XML illegal characters from metadata, cleaned metadata:")
                 print(new_md)
 
             r = item.modify_metadata(
diff --git a/biliarchiver/archive_bvid.py b/biliarchiver/archive_bvid.py
index fc0d74a..bc01390 100644
--- a/biliarchiver/archive_bvid.py
+++ b/biliarchiver/archive_bvid.py
@@ -25,7 +25,7 @@ async def new_get_subtitle_info(client: httpx.AsyncClient, bvid, cid):
     res = await req_retry(client, 'https://api.bilibili.com/x/player/v2', params=params)
     info = json.loads(res.text)
     if info['code'] == -400:
-        raise APIError(f'未找到字幕信息', params)
+        raise APIError('未找到字幕信息', params)
 
     # 这里 monkey patch 一下把返回 lan_doc 改成返回 lan，这样生成的字幕文件名就是 语言代码 而不是 中文名 了
     # 例如
diff --git a/biliarchiver/cli_tools/bili_archive_bvids.py b/biliarchiver/cli_tools/bili_archive_bvids.py
index c4c7b9e..288d7cf 100644
--- a/biliarchiver/cli_tools/bili_archive_bvids.py
+++ b/biliarchiver/cli_tools/bili_archive_bvids.py
@@ -1,8 +1,8 @@
 import asyncio
+from io import TextIOWrapper
 import os
 from pathlib import Path
 from typing import List, Union
-import click
 
 from biliarchiver.archive_bvid import archive_bvid
 from biliarchiver.config import config
@@ -61,7 +61,7 @@ def check_ia_item_exist(client: Client, identifier: str) -> bool:
 
 
 def _down(
-    bvids: click.File(),
+    bvids: TextIOWrapper,
     skip_ia_check: bool,
     from_browser: str | None,
     min_free_space_gb: int,
@@ -69,9 +69,7 @@ def _down(
 ):
     assert check_ffmpeg() is True, "ffmpeg 未安装"
 
-    assert bvids is not None, "必须指定 bvids 列表的文件路径"
-    with open(bvids, "r", encoding="utf-8") as f:
-        bvids_from_file = f.read().splitlines()
+    bvids_from_file = bvids.read().splitlines()
 
     check_outdated_version(
         pypi_project="biliarchiver", self_version=BILI_ARCHIVER_VERSION
diff --git a/biliarchiver/cli_tools/down_command.py b/biliarchiver/cli_tools/down_command.py
index 1b5ab85..feb2a1c 100644
--- a/biliarchiver/cli_tools/down_command.py
+++ b/biliarchiver/cli_tools/down_command.py
@@ -1,10 +1,9 @@
-from genericpath import exists
 import click
 from rich.console import Console
 
 
 @click.command(help=click.style("从哔哩哔哩下载", fg="cyan"))
-@click.option("--bvids", required=True, type=str, help="bvids 列表的文件路径")
+@click.option("--bvids", type=click.File(), required=True, help="bvids 列表的文件路径")
 @click.option(
     "--skip-ia-check",
     "-s",
@@ -27,12 +26,8 @@ from rich.console import Console
     help="最小剩余空间 (GB)，用超退出",
     show_default=True,
 )
-@click.option(
-    "--skip", type=int, default=0, show_default=True, help="跳过文件开头 bvid 的个数"
-)
-def down(
-**kwargs
-):
+@click.option("--skip", type=int, default=0, show_default=True, help="跳过文件开头 bvid 的个数")
+def down(**kwargs):
     from biliarchiver.cli_tools.bili_archive_bvids import _down
 
     try:
diff --git a/biliarchiver/cli_tools/up_command.py b/biliarchiver/cli_tools/up_command.py
index 946dd9a..b485aa4 100644
--- a/biliarchiver/cli_tools/up_command.py
+++ b/biliarchiver/cli_tools/up_command.py
@@ -1,6 +1,8 @@
+from io import TextIOWrapper
 import click
 import os
 
+
 DEFAULT_COLLECTION = "opensource_movies"
 """
 开放 collection ，任何人均可上传。
@@ -13,9 +15,7 @@ BILIBILI_VIDEOS_SUB_1_COLLECTION = "bilibili_videos_sub_1"
 
 
 @click.command(help=click.style("上传至互联网档案馆", fg="cyan"))
-@click.option(
-    "--bvids", type=click.Path(exists=True), default=None, help="bvids 列表的文件路径"
-)
+@click.option("--bvids", type=click.File(), default=None, help="bvids 列表的文件路径")
 @click.option(
     "--by-storage-home-dir",
     is_flag=True,
@@ -35,7 +35,12 @@ BILIBILI_VIDEOS_SUB_1_COLLECTION = "bilibili_videos_sub_1"
     ),
     help=f"Collection to upload to. (非默认值仅限 collection 管理员使用) [default: {DEFAULT_COLLECTION}]",
 )
-def up(bvids, by_storage_home_dir, update_existing, collection):
+def up(
+    bvids: TextIOWrapper,
+    by_storage_home_dir: bool,
+    update_existing: bool,
+    collection,
+):
     from biliarchiver._biliarchiver_upload_bvid import upload_bvid
     from biliarchiver.config import config
 
@@ -49,8 +54,7 @@ def up(bvids, by_storage_home_dir, update_existing, collection):
                         collection=collection)
 
     elif bvids:
-        with open(bvids, "r", encoding="utf-8") as f:
-            bvids_from_file = f.read().splitlines()
+        bvids_from_file = bvids.read().splitlines()
         for bvid in bvids_from_file:
             upload_bvid(bvid, update_existing=update_existing,
                         collection=collection)
diff --git a/biliarchiver/utils/dirLock.py b/biliarchiver/utils/dirLock.py
index aad4c3a..28cd760 100644
--- a/biliarchiver/utils/dirLock.py
+++ b/biliarchiver/utils/dirLock.py
@@ -1,5 +1,4 @@
 import os
-import sys
 import importlib.util
 
 class AlreadyRunningError(Exception):