diff --git a/.gitignore b/.gitignore
index 3ed2ef8..681b66b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
-biliarchiver/
 bvids/
-sess_data.txt
 biliarchiver.home
 .venv/
 __pycache__/
-videos/
\ No newline at end of file
+videos/
+.vscode/
+bilibili_archive_dir/
diff --git a/_biliarchiver_upload_bvid.py b/biliarchiver/_biliarchiver_upload_bvid.py
similarity index 55%
rename from _biliarchiver_upload_bvid.py
rename to biliarchiver/_biliarchiver_upload_bvid.py
index eb31a83..69fe6c9 100644
--- a/_biliarchiver_upload_bvid.py
+++ b/biliarchiver/_biliarchiver_upload_bvid.py
@@ -1,18 +1,21 @@
 import json
 import os
+from pathlib import Path
 import time
 from internetarchive import get_item
+from requests import Response
 from rich import print
-from glob import glob
 
-from _biliarchiver_archive_bvid import BILIBILI_IDENTIFIER_PERFIX
-from _uploadingLock import UploadLock, AlreadyRunningError
+from biliarchiver.utils.string import human_readable_upper_part_map
+from biliarchiver.config import BILIBILI_IDENTIFIER_PERFIX, config
+from biliarchiver.utils.dirLock import UploadLock, AlreadyRunningError
+from biliarchiver.version import BILI_ARCHIVER_VERSION
 
 def upload_bvid(bvid):
     try:
-        lock_dir = f'biliarchiver/.locks/{bvid}/'
+        lock_dir = config.storage_home_dir / '.locks' / bvid
         os.makedirs(lock_dir, exist_ok=True)
-        with UploadLock(lock_dir):
+        with UploadLock(lock_dir): # type: ignore
             _upload_bvid(bvid)
     except AlreadyRunningError:
         print(f'已经有一个上传 {bvid} 的进程在运行，跳过')
@@ -20,48 +23,55 @@ def upload_bvid(bvid):
         print(f'上传 {bvid} 时出错：')
         raise e
 
-def _upload_bvid(bvid):
-    if not os.path.exists('biliarchiver.home'):
-        raise Exception('先创建 biliarchiver.home 文件')
-    access_key, secret_key = read_ia_keys(os.path.expanduser('~/.bili_ia_keys.txt'))
-    # sample: BiliBili-BV1Zh4y1x7RL_p3
-    videos_basepath = f'biliarchiver/videos/{bvid}'
-    for identifier in os.listdir(videos_basepath):
-        if os.path.exists(f'{videos_basepath}/{identifier}/_uploaded.mark'):
-            print(f'{identifier} 已经上传过了(_uploaded.mark)')
+def _upload_bvid(bvid: str):
+    access_key, secret_key = read_ia_keys(config.ia_key_file)
+
+    # identifier format: BiliBili-{bvid}_p{pid}-{upper_part} 
+    upper_part = human_readable_upper_part_map(string=bvid, backward=True)
+    OLD_videos_basepath: Path = config.storage_home_dir / 'videos' / bvid
+    videos_basepath: Path = config.storage_home_dir / 'videos' / f'{bvid}-{upper_part}'
+    if os.path.exists(OLD_videos_basepath):
+        print(f'检测到旧的视频主目录 {OLD_videos_basepath}，将其重命名为 {videos_basepath}...')
+        os.rename(OLD_videos_basepath, videos_basepath)
+    for local_identifier in os.listdir(videos_basepath):
+        if os.path.exists(f'{videos_basepath}/{local_identifier}/_uploaded.mark'):
+            print(f'{local_identifier} 已经上传过了(_uploaded.mark)')
             continue
-        if identifier.startswith('_') :
-            print(f'跳过 {identifier}')
+        if local_identifier.startswith('_') :
+            print(f'跳过 {local_identifier}')
             continue
-        if not identifier.startswith(BILIBILI_IDENTIFIER_PERFIX):
-            print(f'{identifier} 不是以 {BILIBILI_IDENTIFIER_PERFIX} 开头的正确 identifier')
+        if not local_identifier.startswith(BILIBILI_IDENTIFIER_PERFIX):
+            print(f'{local_identifier} 不是以 {BILIBILI_IDENTIFIER_PERFIX} 开头的正确 local_identifier')
             continue
-        if not os.path.exists(f'{videos_basepath}/{identifier}/_downloaded.mark'):
-            print(f'{identifier} 没有下载完成')
+        if not os.path.exists(f'{videos_basepath}/{local_identifier}/_downloaded.mark'):
+            print(f'{local_identifier} 没有下载完成')
             continue
 
-        pid = identifier.split('_')[-1][1:]
-        file_basename = identifier[len(BILIBILI_IDENTIFIER_PERFIX)+1:]
+        pid = local_identifier.split('_')[-1][1:]
+        file_basename = local_identifier[len(BILIBILI_IDENTIFIER_PERFIX)+1:]
     
-        print(f'==== 开始上传 {identifier} ====')
-        item = get_item(identifier)
+
+        remote_identifier = f'{local_identifier}-{upper_part}'
+
+        print(f'=== 开始上传 {local_identifier} => {remote_identifier} ===')
+        item = get_item(remote_identifier)
         if item.exists:
-            print(f'item {identifier} 已存在(item.exists)')
+            print(f'item {remote_identifier} 已存在(item.exists)')
             if item.metadata.get("upload-state") == "uploaded":
-                print(f'{identifier} 已经上传过了，跳过(item.metadata.uploaded)')
-                with open(f'{videos_basepath}/{identifier}/_uploaded.mark', 'w', encoding='utf-8') as f:
+                print(f'{remote_identifier} 已经上传过了，跳过(item.metadata.uploaded)')
+                with open(f'{videos_basepath}/{local_identifier}/_uploaded.mark', 'w', encoding='utf-8') as f:
                     f.write('')
                 continue
         filedict = {} # "remote filename": "local filename"
-        for filename in os.listdir(f'{videos_basepath}/{identifier}/extra'):
-            file = f'{videos_basepath}/{identifier}/extra/{filename}'
+        for filename in os.listdir(f'{videos_basepath}/{local_identifier}/extra'):
+            file = f'{videos_basepath}/{local_identifier}/extra/{filename}'
             if os.path.isfile(file):
                 if file.startswith('_'):
                     continue
                 filedict[filename] = file
 
-        for filename in os.listdir(f'{videos_basepath}/{identifier}'):
-            file = f'{videos_basepath}/{identifier}/{filename}'
+        for filename in os.listdir(f'{videos_basepath}/{local_identifier}'):
+            file = f'{videos_basepath}/{local_identifier}/{filename}'
             if os.path.isfile(file):
                 if os.path.basename(file).startswith('_'):
                     continue
@@ -74,10 +84,10 @@ def _upload_bvid(bvid):
         for file_in_item in item.files:
             if file_in_item["name"] in filedict:
                 filedict.pop(file_in_item["name"])
-                print(f"File {file_in_item['name']} already exists in {identifier}.")
+                print(f"File {file_in_item['name']} already exists in {remote_identifier}.")
 
 
-        with open(f'{videos_basepath}/{identifier}/extra/{file_basename}.info.json', 'r', encoding='utf-8') as f:
+        with open(f'{videos_basepath}/{local_identifier}/extra/{file_basename}.info.json', 'r', encoding='utf-8') as f:
             bv_info = json.load(f)
         # with open(f'{videos_basepath}/_videos_info.json', 'r', encoding='utf-8') as f:
         #     videos_info = json.load(f)
@@ -86,17 +96,22 @@ def _upload_bvid(bvid):
         for tag in bv_info['data']['Tags']:
             tags.append(tag['tag_name'])
         pubdate = bv_info['data']['View']['pubdate']
+        cid = None
+        p_part = None
         for page in bv_info['data']['View']['pages']:
             if page['page'] == int(pid):
                 cid = page['cid']
-                part = page['part']
+                p_part = page['part']
                 break
-        
+
+        assert cid is not None
+        assert p_part is not None
+
         md = {
             "mediatype": "movies",
             "collection": 'opensource_movies',
-            "title": bv_info['data']['View']['title'] + f' P{pid} ' + part ,
-            "description": identifier + ' uploading...',
+            "title": bv_info['data']['View']['title'] + f' P{pid} ' + p_part ,
+            "description": remote_identifier + ' uploading...',
             'creator': bv_info['data']['View']['owner']['name'], # UP 主
             # UTC time
             'date': time.strftime("%Y-%m-%d", time.gmtime(pubdate)),
@@ -110,8 +125,8 @@ def _upload_bvid(bvid):
             ),  # Keywords should be separated by ; but it doesn't matter much; the alternative is to set one per field with subject[0], subject[1], ...
             "upload-state": "uploading",
             'originalurl': f'https://www.bilibili.com/video/{bvid}/?p={pid}',
-            'scanner': 'biliarchiver v0.0.5 (dev)',
-        }        
+            'scanner': f'biliarchiver v{BILI_ARCHIVER_VERSION} (dev)',
+        }
         print(filedict)
         print(md)
 
@@ -127,11 +142,11 @@ def _upload_bvid(bvid):
             )
 
         tries = 30
-        item = get_item(identifier) # refresh item
+        item = get_item(remote_identifier) # refresh item
         while not item.exists and tries > 0:
             print(f"Waiting for item to be created ({tries})  ...", end='\r')
             time.sleep(30)
-            item = get_item(identifier)
+            item = get_item(remote_identifier)
             tries -= 1
 
         new_md = {}
@@ -149,10 +164,11 @@ def _upload_bvid(bvid):
                 access_key=access_key,
                 secret_key=secret_key,
             )
+            assert isinstance(r, Response)
             r.raise_for_status()
-        with open(f'{videos_basepath}/{identifier}/_uploaded.mark', 'w', encoding='utf-8') as f:
+        with open(f'{videos_basepath}/{local_identifier}/_uploaded.mark', 'w', encoding='utf-8') as f:
             f.write('')
-        print(f'==== {identifier} 上传完成 ====')
+        print(f'==== {remote_identifier} 上传完成 ====')
 
 def read_ia_keys(keysfile):
     ''' Return: tuple(`access_key`, `secret_key`) '''
diff --git a/_biliarchiver_archive_bvid.py b/biliarchiver/archive_bvid.py
similarity index 86%
rename from _biliarchiver_archive_bvid.py
rename to biliarchiver/archive_bvid.py
index 9e60fc7..1b8c975 100644
--- a/_biliarchiver_archive_bvid.py
+++ b/biliarchiver/archive_bvid.py
@@ -1,5 +1,6 @@
 import asyncio
 import os
+from pathlib import Path
 
 import aiofiles
 import httpx
@@ -12,9 +13,9 @@ from rich import print
 import json
 
 from bilix.sites.bilibili.downloader import DownloaderBilibili
-
-
-BILIBILI_IDENTIFIER_PERFIX = 'BiliBili' # IA identifier 前缀，千万不要改。能与 tubeup 兼容。
+from biliarchiver.config import BILIBILI_IDENTIFIER_PERFIX
+from biliarchiver.config import config
+from biliarchiver.utils.string import human_readable_upper_part_map
 
 @raise_api_error
 async def new_get_subtitle_info(client: httpx.AsyncClient, bvid, cid):
@@ -38,10 +39,17 @@ async def archive_bvid(d: DownloaderBilibili, bvid: str, logined: bool=False):
     assert d.hierarchy is True, 'hierarchy 必须为 True' # 为保持后续目录结构、文件命名的一致性
     assert d.client.cookies.get('SESSDATA') is not None, 'sess_data 不能为空' # 开个大会员呗，能下 4k 呢。
     assert logined is True, '请先检查 SESSDATA 是否过期，再将 logined 设置为 True' # 防误操作
-    assert os.path.exists('biliarchiver.home'), '先创建 biliarchiver.home 文件' # 防误操作
 
-    videos_basepath = f'biliarchiver/videos/{bvid}'
-    if os.path.exists(f'{videos_basepath}/_all_downloaded.mark'):
+    upper_part = human_readable_upper_part_map(string=bvid, backward=True)
+    OLD_videos_basepath: Path = config.storage_home_dir / 'videos' / bvid
+    videos_basepath: Path = config.storage_home_dir / 'videos' / f'{bvid}-{upper_part}'
+
+    if os.path.exists(OLD_videos_basepath):
+        print(f'检测到旧的视频目录 {OLD_videos_basepath}，将其重命名为 {videos_basepath}...')
+        os.rename(OLD_videos_basepath, videos_basepath)
+
+
+    if os.path.exists(videos_basepath / '_all_downloaded.mark'):
         print(f'{bvid} 所有分p都已下载过了')
         return
 
@@ -59,8 +67,8 @@ async def archive_bvid(d: DownloaderBilibili, bvid: str, logined: bool=False):
             continue
 
         file_basename = f'{bvid}_p{pid}'
-        video_basepath = f'{videos_basepath}/{BILIBILI_IDENTIFIER_PERFIX}-{file_basename}'
-        video_extrapath = f'{video_basepath}/extra'
+        video_basepath = videos_basepath / f'{BILIBILI_IDENTIFIER_PERFIX}-{file_basename}'
+        video_extrapath = video_basepath / 'extra'
         if os.path.exists(f'{video_basepath}/_downloaded.mark'):
             print(f'{file_basename}: 已经下载过了')
             continue
@@ -89,14 +97,15 @@ async def archive_bvid(d: DownloaderBilibili, bvid: str, logined: bool=False):
             for media in video_info.dash.videos:
                 if media.codec.startswith('hev'):
                     codec = media.codec
+                    print(f'{file_basename}: "{codec}" "{media.quality}" ...')
                     break
             if codec is None:
                 for media in video_info.dash.videos:
                     if media.codec.startswith('avc'):
                         codec = media.codec
+                        print(f'{file_basename}: "{codec}" "{media.quality}" ...')
                         break
             assert codec is not None, f'{file_basename}: 没有 avc 或 hevc 编码的视频'
-            print(f'{file_basename}: "{media.codec}" "{media.quality}" ...')
         elif video_info.other:
             print(f'{file_basename}: 未解析到dash资源，交给 bilix 处理 ...')
             codec = ''
diff --git a/biliarchiver_archive_bvids.py b/biliarchiver/bili_archive_bvids.py
similarity index 58%
rename from biliarchiver_archive_bvids.py
rename to biliarchiver/bili_archive_bvids.py
index 603ae56..9df8f54 100644
--- a/biliarchiver_archive_bvids.py
+++ b/biliarchiver/bili_archive_bvids.py
@@ -2,23 +2,37 @@ import asyncio
 import os
 import argparse
 
-from _biliarchiver_archive_bvid import archive_bvid
+from biliarchiver.archive_bvid import archive_bvid
+from biliarchiver.config import Config
 
 from bilix.sites.bilibili.downloader import DownloaderBilibili
 from rich.console import Console
-from httpx import Client
+from httpx import AsyncClient, Client
 from rich.traceback import install
+
+from biliarchiver.utils.string import human_readable_upper_part_map
 install()
 
-from _biliarchiver_archive_bvid import BILIBILI_IDENTIFIER_PERFIX
+from biliarchiver.config import BILIBILI_IDENTIFIER_PERFIX
+
+from dataclasses import dataclass
+
+@dataclass
+class Args:
+    cookies: str
+    bvids: str
+    skip_ia: bool
 
 def parse_args():
+
     parser = argparse.ArgumentParser()
-    parser.add_argument('--cookies', type=str, default='~/.cookies.txt')
-    parser.add_argument('--bvids', type=str, help='bvids 列表的文件路径', required=True)
-    parser.add_argument('--skip-exist', action='store_true',
-                        help='跳过 IA 上已存在的 item （只检查 p1 是否存在）')
-    args = parser.parse_args()
+    parser.add_argument('--cookies', dest='cookies', type=str, default='~/.cookies.txt')
+    parser.add_argument('--bvids', dest='bvids', type=str, help='bvids 列表的文件路径', required=True)
+    parser.add_argument('-s', '--skip-ia-check', dest='skip_ia', action='store_true',
+                        help='不检查 IA 上是否已存在对应 BVID 的 item ，直接开始下载')
+    parser.parse_args()
+    args = Args(**vars(parser.parse_args()))
+
     return args
 
 def check_ia_item_exist(client: Client, identifier: str) -> bool:
@@ -37,22 +51,22 @@ def check_ia_item_exist(client: Client, identifier: str) -> bool:
     else:
         raise ValueError(f'Unexpected code: {r_json["code"]}')
 
-def main():
+def _main():
     args = parse_args()
 
     assert args.bvids is not None, '必须指定 bvids 列表的文件路径'
     with open(args.bvids, 'r', encoding='utf-8') as f:
-        bvids = f.read().splitlines()
+        bvids_from_file = f.read().splitlines()
+
+    config = Config()
 
     loop = asyncio.new_event_loop()
     asyncio.set_event_loop(loop)
 
-    from config import video_concurrency, part_concurrency, stream_retry
-
-    d = DownloaderBilibili(hierarchy=True, sess_data=None,
-        video_concurrency=video_concurrency,
-        part_concurrency=part_concurrency,
-        stream_retry=stream_retry,
+    d = DownloaderBilibili(hierarchy=True, sess_data=None, # sess_data 将在后面装载 cookies 时装载 # type: ignore
+        video_concurrency=config.video_concurrency,
+        part_concurrency=config.part_concurrency,
+        stream_retry=config.stream_retry,
     )
     update_cookies_from_file(d.client, args.cookies)
     client = Client(cookies=d.client.cookies, headers=d.client.headers)
@@ -61,17 +75,18 @@ def main():
         return
 
     d.progress.start()
-    for index, bvid in enumerate(bvids):
-        if args.skip_exist:
-            identifier = f'{BILIBILI_IDENTIFIER_PERFIX}-{bvid}_p1'
-            if check_ia_item_exist(client, identifier):
-                print(f'IA 上已存在 {identifier} ，跳过')
+    for index, bvid in enumerate(bvids_from_file):
+        if not args.skip_ia:
+            upper_part = human_readable_upper_part_map(string=bvid, backward=True)
+            remote_identifier = f'{BILIBILI_IDENTIFIER_PERFIX}-{bvid}_p1-{upper_part}'
+            if check_ia_item_exist(client, remote_identifier):
+                print(f'IA 上已存在 {remote_identifier} ，跳过')
                 continue
 
-        while len(asyncio.all_tasks(loop)) > video_concurrency:
-            loop.run_until_complete(asyncio.sleep(0.01))
+        while len(asyncio.all_tasks(loop)) > config.video_concurrency:
+            loop.run_until_complete(asyncio.sleep(0.008))
 
-        print(f'=== {bvid} ({index+1}/{len(bvids)}) ===')
+        print(f'=== {bvid} ({index+1}/{len(bvids_from_file)}) ===')
 
         task = loop.create_task(archive_bvid(d, bvid, logined=logined))
     
@@ -80,7 +95,7 @@ def main():
     
 
 
-def update_cookies_from_file(client: Client, cookies_path: str):
+def update_cookies_from_file(client: AsyncClient, cookies_path: str):
     cookies_path = os.path.expanduser(cookies_path)
     assert os.path.exists(cookies_path), f'cookies 文件不存在: {cookies_path}'
     from http.cookiejar import MozillaCookieJar
@@ -90,11 +105,12 @@ def update_cookies_from_file(client: Client, cookies_path: str):
     for cookie in cj:
         # only load bilibili cookies
         if 'bilibili' in cookie.domain:
+            assert cookie.value is not None
             client.cookies.set(
                 cookie.name, cookie.value, domain=cookie.domain, path=cookie.path
                 )
             loadded_cookies += 1
-    print(f'从 {cookies_path} 加载了 {loadded_cookies} 个 cookies')
+    print(f'从 {cookies_path} 加载了 {loadded_cookies} 块 cookies')
     if loadded_cookies > 100:
         print('可能加载了过多的 cookies，可能导致 httpx.Client 响应非常慢')
 
@@ -111,12 +127,15 @@ def is_login(cilent: Client) -> bool:
     print('未登录/SESSDATA无效/过期')
     return False
 
-if __name__ == '__main__':
+def main():
     try:
-        main()
+        _main()
     except KeyboardInterrupt:
         print('KeyboardInterrupt')
     finally:
         # 显示终端光标
         console = Console()
-        console.show_cursor()
\ No newline at end of file
+        console.show_cursor()
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/biliarchiver_get_bvids.py b/biliarchiver/bili_get_bvids.py
similarity index 100%
rename from biliarchiver_get_bvids.py
rename to biliarchiver/bili_get_bvids.py
diff --git a/biliarchiver/bili_uploade.py b/biliarchiver/bili_uploade.py
new file mode 100644
index 0000000..c2597f7
--- /dev/null
+++ b/biliarchiver/bili_uploade.py
@@ -0,0 +1,14 @@
+from biliarchiver._biliarchiver_upload_bvid import upload_bvid
+from biliarchiver.config import config
+import os
+
+def main():
+    for bvid_with_upper_part in os.listdir(config.storage_home_dir / 'videos'):
+        bvid = bvid_with_upper_part
+        if '-' in bvid_with_upper_part:
+            bvid = bvid_with_upper_part.split('-')[0]
+
+        upload_bvid(bvid)
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/biliarchiver/config.py b/biliarchiver/config.py
new file mode 100644
index 0000000..3afc4d9
--- /dev/null
+++ b/biliarchiver/config.py
@@ -0,0 +1,56 @@
+from dataclasses import dataclass
+import os
+import json
+from pathlib import Path
+
+CONFIG_FILE = 'config.json'
+BILIBILI_IDENTIFIER_PERFIX = 'BiliBili' # IA identifier 前缀。
+
+
+class singleton(type):
+    _instances = {}
+    def __call__(cls, *args, **kwargs):
+        if cls not in cls._instances:
+            cls._instances[cls] = super(singleton, cls).__call__(*args, **kwargs)
+        return cls._instances[cls]
+
+
+@dataclass
+class Config(metaclass=singleton):
+    video_concurrency: int = 3 
+    part_concurrency: int = 10
+    stream_retry: int = 20
+    storage_home_dir: Path = Path('bilibili_archive_dir/').expanduser()
+    ia_key_file: Path = Path('~/.bili_ia_keys.txt').expanduser()
+
+    def __init__(self):
+        self.is_right_pwd()
+        if not os.path.exists(CONFIG_FILE):
+            print(f'{CONFIG_FILE} 不存在，创建中...')
+            self.save()
+        with open(CONFIG_FILE, 'r', encoding='utf-8') as f:
+            print(f'读取 {CONFIG_FILE}...')
+            config_file = json.load(f)
+
+        self.video_concurrency: int = config_file['video_concurrency']
+        self.part_concurrency: int = config_file['part_concurrency']
+        self.stream_retry: int = config_file['stream_retry']
+
+        self.storage_home_dir: Path = Path(config_file['storage_home_dir']).expanduser()
+        self.ia_key_file: Path = Path(config_file['ia_key_file']).expanduser()
+
+    def save(self):
+        with open(CONFIG_FILE, 'w', encoding='utf-8') as f:
+            json.dump({
+                'video_concurrency': self.video_concurrency,
+                'part_concurrency': self.part_concurrency,
+                'stream_retry': self.stream_retry,
+                'storage_home_dir': str(self.storage_home_dir),
+                'ia_key_file': str(self.ia_key_file),
+            }, f, ensure_ascii=False, indent=4)
+
+    def is_right_pwd(self):
+        if not os.path.exists('biliarchiver.home'):
+            raise Exception('先在当前工作目录创建 biliarchiver.home 文件')
+
+config = Config()
diff --git a/_uploadingLock.py b/biliarchiver/utils/dirLock.py
similarity index 97%
rename from _uploadingLock.py
rename to biliarchiver/utils/dirLock.py
index 0ad7f75..34f08dd 100644
--- a/_uploadingLock.py
+++ b/biliarchiver/utils/dirLock.py
@@ -54,6 +54,7 @@ class UploadLock_Fcntl():
         self.lock_file_fd = None
 
     def __enter__(self):
+        assert self.fcntl is not None
         self.lock_file_fd = open(self.lock_file, 'w')
         try:
             self.fcntl.lockf(self.lock_file_fd, self.fcntl.LOCK_EX | self.fcntl.LOCK_NB)
@@ -63,6 +64,7 @@ class UploadLock_Fcntl():
             
 
     def __exit__(self, exc_type, exc_val, exc_tb):
+        assert self.fcntl is not None
         if self.lock_file_fd is None:
             raise IOError("Lock file not opened.")
         self.fcntl.lockf(self.lock_file_fd, self.fcntl.LOCK_UN)
diff --git a/biliarchiver/utils/string.py b/biliarchiver/utils/string.py
new file mode 100644
index 0000000..ed1662a
--- /dev/null
+++ b/biliarchiver/utils/string.py
@@ -0,0 +1,37 @@
+''' 为同一字符串序列的不同大小写形式生成不碰撞的字符串。以便在大小写不敏感的系统中存储同一字符串的不同形式。 '''
+
+from io import StringIO
+
+def human_readable_upper_part_map(string: str, backward: bool):
+    ''' 找到字符串中所有的 ASCII 大写字母，并返回一个能表示他们绝对位置的字符串。
+        其中每个非相邻的大写字母之间用数字表示相隔的字符数。
+
+        params: backward: 可以表示是正着看还是倒着看。
+        
+        NOTE: 在我们的用例中，我们 backward = True ，这样产生的 upper_part 就不太像 BV 号或者类似的编号，以免 upper_part 污染全文搜索。
+
+        例如：
+        backward = False
+            BV1HP411D7Rj -> BV1HP3D1R （长得像 bvid ）
+        backward = True
+            BV1HP411D7Rj -> 1R1D3PH1VB
+    '''
+
+    assert backward
+
+    if backward:
+        string = string[::-1]
+
+    result = StringIO()
+    steps = 0
+    for char in string:
+        if char.isascii() and char.isupper():
+            if steps == 0:
+                result.write(char)
+            else:
+                result.write(f'{steps}{char}')
+            steps = 0
+        else:
+            steps += 1
+
+    return result.getvalue()
\ No newline at end of file
diff --git a/biliarchiver/version.py b/biliarchiver/version.py
new file mode 100644
index 0000000..77ca1f6
--- /dev/null
+++ b/biliarchiver/version.py
@@ -0,0 +1 @@
+BILI_ARCHIVER_VERSION = '0.0.9'
\ No newline at end of file
diff --git a/biliarchiver_upload_to_ia_from_default_biliup_video_dir.py b/biliarchiver_upload_to_ia_from_default_biliup_video_dir.py
deleted file mode 100644
index 2e00f6e..0000000
--- a/biliarchiver_upload_to_ia_from_default_biliup_video_dir.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from _biliarchiver_upload_bvid import upload_bvid
-import os
-
-def main():
-    for bvid in os.listdir('biliarchiver/videos'):
-        upload_bvid(bvid)
-
-if __name__ == '__main__':
-    main()
\ No newline at end of file
diff --git a/config.json b/config.json
new file mode 100644
index 0000000..5c41de9
--- /dev/null
+++ b/config.json
@@ -0,0 +1,7 @@
+{
+    "video_concurrency": 3,
+    "part_concurrency": 10,
+    "stream_retry": 20,
+    "storage_home_dir": "bilibili_archive_dir",
+    "ia_key_file": "/home/yzqzss/.bili_ia_keys.txt"
+}
\ No newline at end of file
diff --git a/config.py b/config.py
deleted file mode 100644
index 3e275ed..0000000
--- a/config.py
+++ /dev/null
@@ -1,3 +0,0 @@
-video_concurrency = 3
-part_concurrency = 10
-stream_retry = 20
\ No newline at end of file
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..42d7d5e
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Poetry and should not be changed by hand.
+package = []
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.9"
+content-hash = "c595a0588c25d58f3e3834ad7169126836d262b925fe6ca9b5d540dcf301d254"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ddb22c2
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,19 @@
+[tool.poetry]
+name = "bilibili-archiver"
+version = "0.1.0"
+description = ""
+authors = ["yzqzss <yzqzss@yandex.com>"]
+readme = "README.md"
+packages = [{include = "biliarchiver"}]
+
+[tool.poetry.dependencies]
+python = "^3.9"
+
+[tool.poetry.scripts]
+bili_archive_bvids = "biliarchiver:bili_archive_bvids.main"
+bili_uploade = "biliarchiver:bili_uploade.main"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"