diff --git a/Common.py b/Common.py
index 9de5e57..fb295ce 100644
--- a/Common.py
+++ b/Common.py
@@ -6,12 +6,12 @@ import psutil
 from api import XiGuaLiveApi
 import json
 import threading
-from bilibili import *
+from bilibili import Bilibili, VideoPart
 
 # 默认设置
 config = {
     # 录像的主播名
-    "l_u": "永恒de草薙",
+    "l_u": "97621754276",
     "b_u": "自己的B站账号",
     "b_p": "自己的B站密码",
     # 标题及预留时间位置
@@ -302,18 +302,14 @@ def loginBilibili(force=False):
         global b
         if getTimeDelta(datetime.now(), loginTime) < 86400 * 10 and not force:
             return False
-        if os.path.exists('cookie'):
-            try:
-                with open('cookie', 'r', encoding='utf8') as f:
-                    _cookie = f.readline().strip()
-                    b = Bilibili(_cookie)
-                    loginTime = datetime.now()
-                    appendOperation("Cookie 登录")
-                    return True
-            except Exception as e:
-                appendError(e)
-        appendOperation("Cookie 登录失败")
-        return False
+        try:
+            b.login()
+            loginTime = datetime.now()
+            return True
+        except Exception as e:
+            appendError(e)
+            appendOperation("登录失败")
+            return False
     else:
         appendOperation("设置了不上传，所以不会登陆")
 
@@ -373,7 +369,7 @@ def uploadVideo(name):
     loginBilibili()
     doClean()
     if forceNotUpload is False:
-        b.preUpload(VideoPart(name, os.path.basename(name)))
+        b.preUpload(VideoPart(title=name, path=os.path.basename(name)))
     else:
         appendUploadStatus("设置了不上传，所以[{}]不会上传了".format(name))
     if not forceNotEncode:
@@ -403,9 +399,9 @@ def encodeVideo(name):
     _new_name = os.path.splitext(name)[0] + ".mp4"
     _code = os.system(config["enc"].format(f=name, t=_new_name))
     if _code != 0:
-        Common.appendError("Encode {} with Non-Zero Return.".format(name))
+        appendError("Encode {} with Non-Zero Return.".format(name))
         return False
-    Common.modifyLastEncodeStatus("Encode >{}< Finished".format(name))
+    modifyLastEncodeStatus("Encode >{}< Finished".format(name))
     uploadQueue.put(_new_name)
 
 
diff --git a/access_token b/access_token
new file mode 100644
index 0000000..e69de29
diff --git a/bilibili.py b/bilibili.py
index 25de102..5eca42d 100644
--- a/bilibili.py
+++ b/bilibili.py
@@ -1,540 +1,121 @@
-# coding=utf-8
-
-import os
-import re
-import json as JSON
-import Common
-import rsa
-import math
-import base64
-import hashlib
-import requests
-from urllib import parse
-from requests.adapters import HTTPAdapter
-from urllib3 import Retry
-
-
-class VideoPart:
-    def __init__(self, path, title='', desc=''):
-        self.path = path
-        self.title = title
-        self.desc = desc
-
-
-class Bilibili:
-    def __init__(self, cookie=None):
-        self.files = []
-        self.videos = []
-        self.session = requests.session()
-        self.session.keep_alive = False
-        if cookie:
-            self.session.headers["cookie"] = cookie
-            self.csrf = re.search('bili_jct=(.*?);', cookie).group(1)
-            self.mid = re.search('DedeUserID=(.*?);', cookie).group(1)
-            self.session.headers['Accept'] = 'application/json, text/javascript, */*; q=0.01'
-            self.session.headers['Referer'] = 'https://space.bilibili.com/{mid}/#!/'.format(mid=self.mid)
-            # session.headers['User-Agent'] = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36'
-            # session.headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
-
-    def login(self, user, pwd):
-        """
-
-        :param user: username
-        :type user: str
-        :param pwd: password
-        :type pwd: str
-        :return: if success return True
-                 else raise Exception
-        """
-        APPKEY = '4409e2ce8ffd12b8'
-        ACTIONKEY = 'appkey'
-        BUILD = 101800
-        DEVICE = 'android_tv_yst'
-        MOBI_APP = 'android_tv_yst'
-        PLATFORM = 'android'
-        APPSECRET = '59b43e04ad6965f34319062b478f83dd'
-
-        def md5(s):
-            h = hashlib.md5()
-            h.update(s.encode('utf-8'))
-            return h.hexdigest()
-
-        def sign(s):
-            """
-
-            :return: return sign
-            """
-            return md5(s + APPSECRET)
-
-        def signed_body(body):
-            """
-
-            :return: body which be added sign
-            """
-            if isinstance(body, str):
-                return body + '&sign=' + sign(body)
-            elif isinstance(body, dict):
-                ls = []
-                for k, v in body.items():
-                    ls.append(k + '=' + v)
-                body['sign'] = sign('&'.join(ls))
-                return body
-
-        def getkey():
-            """
-
-            :return: hash, key
-            """
-            r = self.session.post(
-                'https://passport.bilibili.com/api/oauth2/getKey',
-                signed_body({'appkey': APPKEY}),
-            )
-            # {"ts":1544152439,"code":0,"data":{"hash":"99c7573759582e0b","key":"-----BEGIN PUBLIC----- -----END PUBLIC KEY-----\n"}}
-            json = r.json()
-            data = json['data']
-            return data['hash'], data['key']
-
-        def access_token_2_cookie(access_token):
-            r = self.session.get(
-                'https://passport.bilibili.com/api/login/sso?' + \
-                signed_body(
-                    'access_key={access_token}&appkey={appkey}&gourl=https%3A%2F%2Faccount.bilibili.com%2Faccount%2Fhome'
-                        .format(access_token=access_token, appkey=APPKEY),
-                ),
-                allow_redirects=False,
-            )
-            return r.cookies.get_dict(domain=".bilibili.com")
-
-        self.session.headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
-        h, k = getkey()
-        pwd = base64.b64encode(
-            rsa.encrypt(
-                (h + pwd).encode('utf-8'),
-                rsa.PublicKey.load_pkcs1_openssl_pem(k.encode())
-            )
-        )
-        user = parse.quote_plus(user)
-        pwd = parse.quote_plus(pwd)
-
-        r = self.session.post(
-            'https://passport.snm0516.aisee.tv/api/tv/login',
-            signed_body(
-                'appkey={appkey}&build={build}&captcha=&channel=master&'
-                'guid=XYEBAA3E54D502E37BD606F0589A356902FCF&mobi_app={mobi_app}&'
-                'password={password}&platform={platform}&token=5598158bcd8511e2&ts=0&username={username}'
-                .format(appkey=APPKEY, build=BUILD, platform=PLATFORM, mobi_app=MOBI_APP, username=user, password=pwd)),
-        )
-        json = r.json()
-
-        if json['code'] == -105:
-            # need captcha
-            raise Exception('TODO: login with captcha')
-
-        if json['code'] != 0:
-            raise Exception(r.text)
-
-        access_token = json['data']['token_info']['access_token']
-        cookie_dict = access_token_2_cookie(access_token)
-        cookie = '; '.join(
-            '%s=%s' % (k, v)
-            for k, v in cookie_dict.items()
-        )
-        self.session.headers["cookie"] = cookie
-        self.csrf = re.search('bili_jct=(.*?)(;|$)', cookie).group(1)
-        self.mid = re.search('DedeUserID=(.*?)(;|$)', cookie).group(1)
-        self.session.headers['Accept'] = 'application/json, text/javascript, */*; q=0.01'
-        self.session.headers['Referer'] = 'https://space.bilibili.com/{mid}/#!/'.format(mid=self.mid)
-
-        return True
-
-    def upload(self,
-               parts,
-               title,
-               tid,
-               tag,
-               desc,
-               source='',
-               cover='',
-               no_reprint=1,
-               ):
-        """
-
-        :param parts: e.g. VideoPart('part path', 'part title', 'part desc'), or [VideoPart(...), VideoPart(...)]
-        :type parts: VideoPart or list<VideoPart>
-        :param title: video's title
-        :type title: str
-        :param tid: video type, see: https://member.bilibili.com/x/web/archive/pre
-                                  or https://github.com/uupers/BiliSpider/wiki/%E8%A7%86%E9%A2%91%E5%88%86%E5%8C%BA%E5%AF%B9%E5%BA%94%E8%A1%A8
-        :type tid: int
-        :param tag: video's tag
-        :type tag: list<str>
-        :param desc: video's description
-        :type desc: str
-        :param source: (optional) 转载地址
-        :type source: str
-        :param cover: (optional) cover's URL, use method *cover_up* to get
-        :type cover: str
-        :param no_reprint: (optional) 0=可以转载, 1=禁止转载(default)
-        :type no_reprint: int
-        """
-        self.preUpload(parts)
-        self.finishUpload(title, tid, tag, desc, source, cover, no_reprint)
-        self.clear()
-
-    def preUpload(self, parts, max_retry=5):
-        """
-        :param max_retry:
-        :param parts: e.g. VideoPart('part path', 'part title', 'part desc'), or [VideoPart(...), VideoPart(...)]
-        :type parts: VideoPart or list<VideoPart>
-        """
-        self.session.headers['Content-Type'] = 'application/json; charset=utf-8'
-        if not isinstance(parts, list):
-            parts = [parts]
-
-        # retry by status
-        retries = Retry(
-            total=max_retry,
-            backoff_factor=1,
-            status_forcelist=(504, ),
-        )
-        self.session.mount('https://', HTTPAdapter(max_retries=retries))
-        self.session.mount('http://', HTTPAdapter(max_retries=retries))
-        #
-
-        for part in parts:
-            filepath = part.path
-            filename = os.path.basename(filepath)
-            filesize = os.path.getsize(filepath)
-            Common.appendUploadStatus("Upload >{}< Started".format(filepath))
-            self.files.append(part)
-            r = self.session.get('https://member.bilibili.com/preupload?'
-                                 'os=upos&upcdn=ws&name={name}&size={size}&r=upos&profile=ugcupos%2Fyb&ssl=0'
-                                 .format(name=parse.quote_plus(filename), size=filesize))
-            """return example
-            {
-                "upos_uri": "upos://ugc/i181012ws18x52mti3gg0h33chn3tyhp.mp4",
-                "biz_id": 58993125,
-                "endpoint": "//upos-hz-upcdnws.acgvideo.com",
-                "endpoints": [
-                    "//upos-hz-upcdnws.acgvideo.com",
-                    "//upos-hz-upcdntx.acgvideo.com"
-                ],
-                "chunk_retry_delay": 3,
-                "chunk_retry": 200,
-                "chunk_size": 4194304,
-                "threads": 2,
-                "timeout": 900,
-                "auth": "os=upos&cdn=upcdnws&uid=&net_state=4&device=&build=&os_version=&ak=×tamp=&sign=",
-                "OK": 1
-            }
-            """
-            json = r.json()
-            upos_uri = json['upos_uri']
-            endpoint = json['endpoint']
-            auth = json['auth']
-            biz_id = json['biz_id']
-            chunk_size = json['chunk_size']
-            self.session.headers['X-Upos-Auth'] = auth  # add auth header
-            r = self.session.post('https:{}/{}?uploads&output=json'.format(endpoint, upos_uri.replace('upos://', '')))
-            # {"upload_id":"72eb747b9650b8c7995fdb0efbdc2bb6","key":"\/i181012ws2wg1tb7tjzswk2voxrwlk1u.mp4","OK":1,"bucket":"ugc"}
-            json = r.json()
-            upload_id = json['upload_id']
-            with open(filepath, 'rb') as f:
-                chunks_num = math.ceil(filesize / chunk_size)
-                chunks_index = 0
-                chunks_data = f.read(chunk_size)
-                Common.modifyLastUploadStatus(
-                    "Uploading >{}< @ {:.2f}%".format(filepath, 100.0 * chunks_index / chunks_num))
-                while True:
-                    if not chunks_data:
-                        break
-
-                    def upload_chunk():
-                        r = self.session.put('https:{endpoint}/{upos_uri}?'
-                                             'partNumber={part_number}&uploadId={upload_id}&chunk={chunk}&chunks={chunks}&size={size}&start={start}&end={end}&total={total}'
-                                             .format(endpoint=endpoint,
-                                                     upos_uri=upos_uri.replace('upos://', ''),
-                                                     part_number=chunks_index + 1,  # starts with 1
-                                                     upload_id=upload_id,
-                                                     chunk=chunks_index,
-                                                     chunks=chunks_num,
-                                                     size=len(chunks_data),
-                                                     start=chunks_index * chunk_size,
-                                                     end=chunks_index * chunk_size + len(chunks_data),
-                                                     total=filesize,
-                                                     ),
-                                             chunks_data,
-                                             )
-                        return r
-
-                    def retry_upload_chunk():
-                        """return :class:`Response` if upload success, else return None."""
-                        for i in range(max_retry):
-                            r = upload_chunk()
-                            if r.status_code == 200:
-                                return r
-                            Common.modifyLastUploadStatus(
-                                "Uploading >{}< @ {:.2f}% RETRY[{}]".format(filepath, 100.0 * chunks_index / chunks_num, max_retry))
-                        return None
-
-                    r = retry_upload_chunk()
-                    if r:
-                        Common.modifyLastUploadStatus(
-                            "Uploading >{}< @ {:.2f}%".format(filepath, 100.0 * chunks_index / chunks_num))
-                    else:
-                        Common.modifyLastUploadStatus(
-                            "Uploading >{}< FAILED @ {:.2f}%".format(filepath, 100.0 * chunks_index / chunks_num))
-                        continue
-                    chunks_data = f.read(chunk_size)
-                    chunks_index += 1  # start with 0
-
-                # NOT DELETE! Refer to https://github.com/comwrg/bilibiliupload/issues/15#issuecomment-424379769
-                self.session.post('https:{endpoint}/{upos_uri}?'
-                                  'output=json&name={name}&profile=ugcupos%2Fyb&uploadId={upload_id}&biz_id={biz_id}'
-                                  .format(endpoint=endpoint,
-                                          upos_uri=upos_uri.replace('upos://', ''),
-                                          name=filename,
-                                          upload_id=upload_id,
-                                          biz_id=biz_id,
-                                          ),
-                                  {"parts": [{"partNumber": i, "eTag": "etag"} for i in range(1, chunks_num + 1)]},
-                                  )
-            self.videos.append({'filename': upos_uri.replace('upos://ugc/', '').split('.')[0],
-                                'title': part.title,
-                                'desc': part.desc})
-            Common.modifyLastUploadStatus("Upload >{}< Finished".format(filepath))
-            __f = open("uploaded.json", "w")
-            JSON.dump(self.videos, __f)
-            __f.close()
-
-    def finishUpload(self,
-                     title,
-                     tid,
-                     tag,
-                     desc,
-                     source='',
-                     cover='',
-                     no_reprint=1,
-                     ):
-        """
-        :param title: video's title
-        :type title: str
-        :param tid: video type, see: https://member.bilibili.com/x/web/archive/pre
-                                  or https://github.com/uupers/BiliSpider/wiki/%E8%A7%86%E9%A2%91%E5%88%86%E5%8C%BA%E5%AF%B9%E5%BA%94%E8%A1%A8
-        :type tid: int
-        :param tag: video's tag
-        :type tag: list<str>
-        :param desc: video's description
-        :type desc: str
-        :param source: (optional) 转载地址
-        :type source: str
-        :param cover: (optional) cover's URL, use method *cover_up* to get
-        :type cover: str
-        :param no_reprint: (optional) 0=可以转载, 1=禁止转载(default)
-        :type no_reprint: int
-        """
-        if len(self.videos) == 0:
-            return
-        Common.appendUploadStatus("[{}]投稿中，请稍后".format(title))
-        self.session.headers['Content-Type'] = 'application/json; charset=utf-8'
-        copyright = 2 if source else 1
-        r = self.session.post('https://member.bilibili.com/x/vu/web/add?csrf=' + self.csrf,
-                              json={
-                                  "copyright": copyright,
-                                  "source": source,
-                                  "title": title,
-                                  "tid": tid,
-                                  "tag": ','.join(tag),
-                                  "no_reprint": no_reprint,
-                                  "desc": desc,
-                                  "cover": cover,
-                                  "mission_id": 0,
-                                  "order_id": 0,
-                                  "videos": self.videos}
-                              )
-        Common.modifyLastUploadStatus("[{}] Published | Result : {}".format(title, r.text))
-
-    def reloadFromPrevious(self):
-        if os.path.exists("uploaded.json"):
-            __f = open("uploaded.json", "r")
-            try:
-                self.videos = JSON.load(__f)
-                Common.appendUploadStatus("RELOAD SUCCESS")
-            except:
-                Common.appendUploadStatus("RELOAD Failed")
-                self.videos = []
-            __f.close()
-            os.remove("uploaded.json")
-        else:
-            Common.appendUploadStatus("RELOAD Failed")
-            self.videos = []
-
-    def clear(self):
-        self.files.clear()
-        self.videos.clear()
-        if (os.path.exists("uploaded.json")):
-            os.remove("uploaded.json")
-
-    def appendUpload(self,
-                     aid,
-                     parts,
-                     title="",
-                     tid="",
-                     tag="",
-                     desc="",
-                     source='',
-                     cover='',
-                     no_reprint=1,
-                     ):
-        """
-        :param aid: just aid
-        :type aid: int
-        :param parts: e.g. VideoPart('part path', 'part title', 'part desc'), or [VideoPart(...), VideoPart(...)]
-        :type parts: VideoPart or list<VideoPart>
-        :param title: video's title
-        :type title: str
-        :param tid: video type, see: https://member.bilibili.com/x/web/archive/pre
-                                  or https://github.com/uupers/BiliSpider/wiki/%E8%A7%86%E9%A2%91%E5%88%86%E5%8C%BA%E5%AF%B9%E5%BA%94%E8%A1%A8
-        :type tid: int
-        :param tag: video's tag
-        :type tag: list<str>
-        :param desc: video's description
-        :type desc: str
-        :param source: (optional) 转载地址
-        :type source: str
-        :param cover: (optional) cover's URL, use method *cover_up* to get
-        :type cover: str
-        :param no_reprint: (optional) 0=可以转载, 1=禁止转载(default)
-        :type no_reprint: int
-        """
-        self.session.headers['Content-Type'] = 'application/json; charset=utf-8'
-        p = self.session.get("https://member.bilibili.com/x/web/archive/view?aid={}&history=".format(aid))
-        j = p.json()
-        if len(self.videos) == 0:
-            for i in j['data']['videos']:
-                self.videos.append({'filename': i['filename'],
-                                    'title': i["title"],
-                                    'desc': i["desc"]})
-        if (title == ""): title = j["data"]["archive"]['title']
-        if (tag == ""): tag = j["data"]["archive"]['tag']
-        if (no_reprint == ""): no_reprint = j["data"]["archive"]['no_reprint']
-        if (desc == ""): desc = j["data"]["archive"]['desc']
-        if (source == ""): source = j["data"]["archive"]['source']
-        if (tid == ""): tid = j["data"]["archive"]['tid']
-        self.preUpload(parts)
-        self.editUpload(aid, title, tid, tag, desc, source, cover, no_reprint)
-
-    def editUpload(self,
-                   aid,
-                   title,
-                   tid,
-                   tag,
-                   desc,
-                   source='',
-                   cover='',
-                   no_reprint=1,
-                   ):
-        """
-        :param aid: just aid
-        :type aid: int
-        :param parts: e.g. VideoPart('part path', 'part title', 'part desc'), or [VideoPart(...), VideoPart(...)]
-        :type parts: VideoPart or list<VideoPart>
-        :param title: video's title
-        :type title: str
-        :param tid: video type, see: https://member.bilibili.com/x/web/archive/pre
-                                  or https://github.com/uupers/BiliSpider/wiki/%E8%A7%86%E9%A2%91%E5%88%86%E5%8C%BA%E5%AF%B9%E5%BA%94%E8%A1%A8
-        :type tid: int
-        :param tag: video's tag
-        :type tag: list<str>
-        :param desc: video's description
-        :type desc: str
-        :param source: (optional) 转载地址
-        :type source: str
-        :param cover: (optional) cover's URL, use method *cover_up* to get
-        :type cover: str
-        :param no_reprint: (optional) 0=可以转载, 1=禁止转载(default)
-        :type no_reprint: int
-        """
-        copyright = 2 if source else 1
-        r = self.session.post('https://member.bilibili.com/x/vu/web/edit?csrf=' + self.csrf,
-                              json={
-                                  "aid": aid,
-                                  "copyright": copyright,
-                                  "source": source,
-                                  "title": title,
-                                  "tid": tid,
-                                  "tag": ','.join(tag),
-                                  "no_reprint": no_reprint,
-                                  "desc": desc,
-                                  "cover": cover,
-                                  "mission_id": 0,
-                                  "order_id": 0,
-                                  "videos": self.videos}
-                              )
-        print(r.text)
-
-    def addChannel(self, name, intro=''):
-        """
-
-        :param name: channel's name
-        :type name: str
-        :param intro: channel's introduction
-        :type intro: str
-        """
-        r = self.session.post(
-            url='https://space.bilibili.com/ajax/channel/addChannel',
-            data={
-                'name': name,
-                'intro': intro,
-                'aids': '',
-                'csrf': self.csrf,
-            },
-            # name=123&intro=123&aids=&csrf=565d7ed17cef2cc8ad054210c4e64324&_=1497077610768
-
-        )
-        # return
-        # {"status":true,"data":{"cid":"15812"}}
-        print(r.json())
-
-    def channel_addVideo(self, cid, aids):
-        """
-
-        :param cid: channel's id
-        :type cid: int
-        :param aids: videos' id
-        :type aids: list<int>
-        """
-
-        r = self.session.post(
-            url='https://space.bilibili.com/ajax/channel/addVideo',
-            data={
-                'aids': '%2C'.join(aids),
-                'cid': cid,
-                'csrf': self.csrf
-            }
-            # aids=9953555%2C9872953&cid=15814&csrf=565d7ed17cef2cc8ad054210c4e64324&_=1497079332679
-        )
-        print(r.json())
-
-    def cover_up(self, img):
-        """
-
-        :param img: img path or stream
-        :type img: str or BufferedReader
-        :return: img URL
-        """
-
-        if isinstance(img, str):
-            f = open(img, 'rb')
-        else:
-            f = img
-        r = self.session.post(
-            url='https://member.bilibili.com/x/vu/web/cover/up',
-            data={
-                'cover': b'data:image/jpeg;base64,' + (base64.b64encode(f.read())),
-                'csrf': self.csrf,
-            }
-        )
-        # print(r.text)
-        # {"code":0,"data":{"url":"http://i0.hdslb.com/bfs/archive/67db4a6eae398c309244e74f6e85ae8d813bd7c9.jpg"},"message":"","ttl":1}
-        return r.json()['data']['url']
+from bilibiliuploader import core, VideoPart
+
+
+class Bilibili:
+    def __init__(self):
+        self.access_token = ""
+        self.session_id = ""
+        self.user_id = ""
+        self.parts = []
+
+    def login(self):
+        from Common import appendOperation
+        with open("access_token", "r") as f:
+            self.access_token = f.read(64).strip()
+        self.session_id, self.user_id, expires = core.login_by_access_token(self.access_token)
+        appendOperation("B站登录，UID【{}】，过期时间【{}】".format(self.user_id, expires))
+
+    def upload(self,
+               parts,
+               title,
+               tid,
+               tag,
+               desc,
+               source='',
+               cover='',
+               no_reprint=1,
+               ):
+        """
+
+        :param parts: e.g. VideoPart('part path', 'part title', 'part desc'), or [VideoPart(...), VideoPart(...)]
+        :type parts: VideoPart or list<VideoPart>
+        :param title: video's title
+        :type title: str
+        :param tid: video type, see: https://member.bilibili.com/x/web/archive/pre
+                                  or https://github.com/uupers/BiliSpider/wiki/%E8%A7%86%E9%A2%91%E5%88%86%E5%8C%BA%E5%AF%B9%E5%BA%94%E8%A1%A8
+        :type tid: int
+        :param tag: video's tag
+        :type tag: list<str>
+        :param desc: video's description
+        :type desc: str
+        :param source: (optional) 转载地址
+        :type source: str
+        :param cover: (optional) cover's URL, use method *cover_up* to get
+        :type cover: str
+        :param no_reprint: (optional) 0=可以转载, 1=禁止转载(default)
+        :type no_reprint: int
+        """
+        self.preUpload(parts)
+        self.finishUpload(title, tid, tag, desc, source, cover, no_reprint)
+        self.clear()
+
+    def preUpload(self, parts, max_retry=5):
+        """
+        :param max_retry:
+        :param parts: e.g. VideoPart('part path', 'part title', 'part desc'), or [VideoPart(...), VideoPart(...)]
+        :type parts: VideoPart or list<VideoPart>
+        """
+        from Common import appendUploadStatus, modifyLastUploadStatus
+        if not isinstance(parts, list):
+            parts = [parts]
+
+        def log_status(video_part: VideoPart, chunks_index: int, chunks_num: int):
+            modifyLastUploadStatus("Uploading >{}< @ {:.2f}%".format(video_part.path, 100.0 * chunks_index / chunks_num))
+        for part in parts:
+            appendUploadStatus("Start Uploading >{}<".format(part.path))
+            while True:
+                status = core.upload_video_part(self.access_token, self.session_id, self.user_id, part, max_retry, cb=log_status)
+                if status:
+                    break
+            # 上传完毕
+            modifyLastUploadStatus("Upload >{}< Finished；【{}】".format(part.path, part.server_file_name))
+            self.parts.append(part)
+
+    def finishUpload(self,
+                     title,
+                     tid,
+                     tag,
+                     desc,
+                     source='',
+                     cover='',
+                     no_reprint=1,
+                     ):
+        """
+        :param title: video's title
+        :type title: str
+        :param tid: video type, see: https://member.bilibili.com/x/web/archive/pre
+                                  or https://github.com/uupers/BiliSpider/wiki/%E8%A7%86%E9%A2%91%E5%88%86%E5%8C%BA%E5%AF%B9%E5%BA%94%E8%A1%A8
+        :type tid: int
+        :param tag: video's tag
+        :type tag: list<str>
+        :param desc: video's description
+        :type desc: str
+        :param source: (optional) 转载地址
+        :type source: str
+        :param cover: (optional) cover's URL, use method *cover_up* to get
+        :type cover: str
+        :param no_reprint: (optional) 0=可以转载, 1=禁止转载(default)
+        :type no_reprint: int
+        :param copyright: (optional) 0=转载的, 1=自制的(default)
+        :type copyright: int
+        """
+        from Common import appendUploadStatus, modifyLastUploadStatus, appendError
+        if len(self.parts) == 0:
+            return
+        appendUploadStatus("[{}]投稿中，请稍后".format(title))
+        copyright = 2 if source else 1
+        try:
+            avid, bvid = core.upload(self.access_token, self.session_id, self.user_id, self.parts, copyright,
+                        title=title, tid=tid, tag=','.join(tag), desc=desc, source=source, cover=cover, no_reprint=no_reprint)
+            modifyLastUploadStatus("[{}]投稿成功；AVID【{}】，BVID【{}】".format(title, avid, bvid))
+            self.clear()
+        except Exception as e:
+            modifyLastUploadStatus("[{}]投稿失败".format(title))
+            appendError(e)
+
+
+    def reloadFromPrevious(self):
+        ...
+
+    def clear(self):
+        self.parts = []
\ No newline at end of file
diff --git a/bilibiliuploader/README.md b/bilibiliuploader/README.md
new file mode 100644
index 0000000..c0c04bd
--- /dev/null
+++ b/bilibiliuploader/README.md
@@ -0,0 +1,4 @@
+修改自
+https://github.com/FortuneDayssss/BilibiliUploader/
+
+LICENSE：GPL
\ No newline at end of file
diff --git a/bilibiliuploader/__init__.py b/bilibiliuploader/__init__.py
new file mode 100644
index 0000000..49b4a54
--- /dev/null
+++ b/bilibiliuploader/__init__.py
@@ -0,0 +1,4 @@
+from .bilibiliuploader import BilibiliUploader
+from .core import VideoPart
+
+__version__ = '0.0.6'
diff --git a/bilibiliuploader/bilibiliuploader.py b/bilibiliuploader/bilibiliuploader.py
new file mode 100644
index 0000000..018d252
--- /dev/null
+++ b/bilibiliuploader/bilibiliuploader.py
@@ -0,0 +1,118 @@
+import bilibiliuploader.core as core
+from bilibiliuploader.util import cipher
+import json
+
+
+class BilibiliUploader():
+    def __init__(self):
+        self.access_token = None
+        self.refresh_token = None
+        self.sid = None
+        self.mid = None
+
+    def login(self, username, password):
+        code, self.access_token, self.refresh_token, self.sid, self.mid, _ = core.login(username, password)
+        if code != 0: # success
+            print("login fail, error code = {}".format(code))
+
+    def login_by_access_token(self, access_token, refresh_token=None):
+        self.access_token = access_token
+        self.refresh_token = refresh_token
+        self.sid, self.mid, _ = core.login_by_access_token(access_token)
+
+    def login_by_access_token_file(self, file_name):
+        with open(file_name, "r") as f:
+            login_data = json.loads(f.read())
+        self.access_token = login_data["access_token"]
+        self.refresh_token = login_data["refresh_token"]
+        self.sid, self.mid, _ = core.login_by_access_token(self.access_token)
+
+    def save_login_data(self, file_name=None):
+        login_data = json.dumps(
+            {
+                "access_token": self.access_token,
+                "refresh_token": self.refresh_token
+            }
+        )
+        try:
+            with open(file_name, "w+") as f:
+                f.write(login_data)
+        finally:
+            return login_data
+
+
+    def upload(self,
+               parts,
+               copyright: int,
+               title: str,
+               tid: int,
+               tag: str,
+               desc: str,
+               source: str = '',
+               cover: str = '',
+               no_reprint: int = 0,
+               open_elec: int = 1,
+               max_retry: int = 5,
+               thread_pool_workers: int = 1):
+        return core.upload(self.access_token,
+                    self.sid,
+                    self.mid,
+                    parts,
+                    copyright,
+                    title,
+                    tid,
+                    tag,
+                    desc,
+                    source,
+                    cover,
+                    no_reprint,
+                    open_elec,
+                    max_retry,
+                    thread_pool_workers)
+
+    def edit(self,
+             avid=None,
+             bvid=None,
+             parts=None,
+             insert_index=None,
+             copyright=None,
+             title=None,
+             tid=None,
+             tag=None,
+             desc=None,
+             source=None,
+             cover=None,
+             no_reprint=None,
+             open_elec=None,
+             max_retry: int = 5,
+             thread_pool_workers: int = 1):
+
+        if not avid and not bvid:
+            print("please provide avid or bvid")
+            return None, None
+        if not avid:
+            avid = cipher.bv2av(bvid)
+        if not isinstance(parts, list):
+            parts = [parts]
+        if type(avid) is str:
+            avid = int(avid)
+        core.edit_videos(
+            self.access_token,
+            self.sid,
+            self.mid,
+            avid,
+            bvid,
+            parts,
+            insert_index,
+            copyright,
+            title,
+            tid,
+            tag,
+            desc,
+            source,
+            cover,
+            no_reprint,
+            open_elec,
+            max_retry,
+            thread_pool_workers
+        )
diff --git a/bilibiliuploader/core.py b/bilibiliuploader/core.py
new file mode 100644
index 0000000..0645c2d
--- /dev/null
+++ b/bilibiliuploader/core.py
@@ -0,0 +1,790 @@
+import requests
+from datetime import datetime
+from bilibiliuploader.util import cipher as cipher
+from urllib import parse
+import os
+import math
+import hashlib
+from bilibiliuploader.util.retry import Retry
+from concurrent.futures import ThreadPoolExecutor, as_completed
+import base64
+
+# From PC ugc_assisstant
+# APPKEY = 'aae92bc66f3edfab'
+# APPSECRET = 'af125a0d5279fd576c1b4418a3e8276d'
+APPKEY = '1d8b6e7d45233436'
+APPSECRET = '560c52ccd288fed045859ed18bffd973'
+LOGIN_APPKEY = '783bbb7264451d82'
+
+# upload chunk size = 2MB
+CHUNK_SIZE = 2 * 1024 * 1024
+
+# captcha
+CAPTCHA_RECOGNIZE_URL = "NOT SUPPORT"
+
+
+class VideoPart:
+    """
+    Video Part of a post.
+    每个对象代表一个分P
+
+    Attributes:
+        path: file path in local file system.
+        title: title of the video part.
+        desc: description of the video part.
+        server_file_name: file name in bilibili server. generated by pre-upload API.
+    """
+
+    def __init__(self, path, title='', desc='', server_file_name=None):
+        self.path = path
+        self.title = title
+        self.desc = desc
+        self.server_file_name = server_file_name
+
+    def __repr__(self):
+        return '<{clazz}, path: {path}, title: {title}, desc: {desc}, server_file_name:{server_file_name}>' \
+            .format(clazz=self.__class__.__name__,
+                    path=self.path,
+                    title=self.title,
+                    desc=self.desc,
+                    server_file_name=self.server_file_name)
+
+
+def get_key_old(sid=None, jsessionid=None):
+    """
+    get public key, hash and session id for login.
+    Args:
+        sid: session id. only for captcha login.
+        jsessionid: j-session id. only for captcha login.
+    Returns:
+        hash: salt for password encryption.
+        pubkey: rsa public key for password encryption.
+        sid: session id.
+    """
+    headers = {
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Accept': "application/json, text/javascript, */*; q=0.01"
+    }
+    post_data = {
+        'appkey': APPKEY,
+        'platform': "pc",
+        'ts': str(int(datetime.now().timestamp()))
+    }
+    post_data['sign'] = cipher.sign_dict(post_data, APPSECRET)
+    cookie = {}
+    if sid:
+        cookie['sid'] = sid
+    if jsessionid:
+        cookie['JSESSIONID'] = jsessionid
+    r = requests.post(
+        # "https://passport.bilibili.com/api/oauth2/getKey",
+        "https://passport.bilibili.com/x/passport-login/web/key",
+        headers=headers,
+        data=post_data,
+        cookies=cookie
+    )
+    print(r.content.decode())
+    r_data = r.json()['data']
+    if sid:
+        return r_data['hash'], r_data['key'], sid
+    return r_data['hash'], r_data['key'], r.cookies['sid']
+
+
+def get_key():
+    headers = {
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Accept': "application/json, text/javascript, */*; q=0.01"
+    }
+    params_data = {
+        'appkey': LOGIN_APPKEY,
+        # 'ts': str(int(datetime.now().timestamp()))
+    }
+    params_data['sign'] = cipher.login_sign_dict_bin(params_data)
+    r = requests.get(
+        "https://passport.bilibili.com/x/passport-login/web/key",
+        headers=headers,
+        params=params_data
+    )
+    r_data = r.json()['data']
+    return r_data['hash'], r_data['key'], ''
+
+
+def get_capcha(sid):
+    headers = {
+        'User-Agent': '',
+        'Accept-Encoding': 'gzip,deflate',
+    }
+
+    params = {
+        'appkey': APPKEY,
+        'platform': 'pc',
+        'ts': str(int(datetime.now().timestamp()))
+    }
+    params['sign'] = cipher.sign_dict(params, APPSECRET)
+
+    r = requests.get(
+        "https://passport.bilibili.com/captcha",
+        headers=headers,
+        params=params,
+        cookies={
+            'sid': sid
+        }
+    )
+
+    print(r.status_code)
+
+    capcha_data = r.content
+
+    return r.cookies['JSESSIONID'], capcha_data
+
+
+def recognize_captcha(img: bytes):
+    img_base64 = str(base64.b64encode(img), encoding='utf-8')
+    r = requests.post(
+        url=CAPTCHA_RECOGNIZE_URL,
+        data={'image': img_base64}
+    )
+    return r.content.decode()
+
+
+def login(username, password):
+    """
+    bilibili login.
+    Args:
+        username: plain text username for bilibili.
+        password: plain text password for bilibili.
+
+    Returns:
+        code: login response code (0: success, -105: captcha error, ...).
+        access_token: token for further operation.
+        refresh_token: token for refresh access_token.
+        sid: session id.
+        mid: member id.
+        expires_in: access token expire time (30 days)
+    """
+    hash, pubkey, sid = get_key()
+
+    encrypted_password = cipher.encrypt_login_password(password, hash, pubkey)
+    url_encoded_username = parse.quote_plus(username)
+    url_encoded_password = parse.quote_plus(encrypted_password)
+
+    post_data = {
+        'appkey': LOGIN_APPKEY,
+        'password': url_encoded_password,
+        'ts': str(int(datetime.now().timestamp())),
+        'username': url_encoded_username
+    }
+
+    post_data['sign'] = cipher.login_sign_dict_bin(post_data)
+    # avoid multiple url parse
+    post_data['username'] = username
+    post_data['password'] = encrypted_password
+
+    headers = {
+        'Connection': 'keep-alive',
+        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+        'User-Agent': '',
+        'Accept-Encoding': 'gzip,deflate',
+    }
+
+    r = requests.post(
+        # "https://passport.bilibili.com/api/v3/oauth2/login",
+        "https://passport.bilibili.com/x/passport-login/oauth2/login",
+        headers=headers,
+        data=post_data,
+    )
+    response = r.json()
+    response_code = response['code']
+    if response_code == 0:
+        login_data = response['data']['token_info']
+        return response_code, login_data['access_token'], login_data['refresh_token'], sid, login_data['mid'], \
+               login_data["expires_in"]
+    elif response_code == -105:  # captcha error, retry=5
+        retry_cnt = 5
+        while response_code == -105 and retry_cnt > 0:
+            response_code, access_token, refresh_token, sid, mid, expire_in = login_captcha(username, password, sid)
+            if response_code == 0:
+                return response_code, access_token, refresh_token, sid, mid, expire_in
+            retry_cnt -= 1
+
+    # other error code
+    return response_code, None, None, sid, None, None
+
+
+def login_captcha(username, password, sid):
+    """
+    bilibili login with captcha.
+    depend on captcha recognize service, please do not use this as first choice.
+    Args:
+        username: plain text username for bilibili.
+        password: plain text password for bilibili.
+        sid: session id
+    Returns:
+        code: login response code (0: success, -105: captcha error, ...).
+        access_token: token for further operation.
+        refresh_token: token for refresh access_token.
+        sid: session id.
+        mid: member id.
+        expires_in: access token expire time (30 days)
+    """
+
+    jsessionid, captcha_img = get_capcha(sid)
+    captcha_str = recognize_captcha(captcha_img)
+
+    hash, pubkey, sid = get_key(sid, jsessionid)
+
+    encrypted_password = cipher.encrypt_login_password(password, hash, pubkey)
+    url_encoded_username = parse.quote_plus(username)
+    url_encoded_password = parse.quote_plus(encrypted_password)
+
+    post_data = {
+        'appkey': APPKEY,
+        'captcha': captcha_str,
+        'password': url_encoded_password,
+        'platform': "pc",
+        'ts': str(int(datetime.now().timestamp())),
+        'username': url_encoded_username
+    }
+
+    post_data['sign'] = cipher.sign_dict(post_data, APPSECRET)
+    # avoid multiple url parse
+    post_data['username'] = username
+    post_data['password'] = encrypted_password
+    post_data['captcha'] = captcha_str
+
+    headers = {
+        'Connection': 'keep-alive',
+        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+        'User-Agent': '',
+        'Accept-Encoding': 'gzip,deflate',
+    }
+
+    r = requests.post(
+        "https://passport.bilibili.com/api/oauth2/login",
+        headers=headers,
+        data=post_data,
+        cookies={
+            'JSESSIONID': jsessionid,
+            'sid': sid
+        }
+    )
+    response = r.json()
+    if response['code'] == 0:
+        login_data = response['data']
+        return response['code'], login_data['access_token'], login_data['refresh_token'], sid, login_data['mid'], \
+               login_data["expires_in"]
+    else:
+        return response['code'], None, None, sid, None, None
+
+
+def login_by_access_token(access_token):
+    """
+    bilibili access token login.
+    Args:
+        access_token: Bilibili access token got by previous username/password login.
+
+    Returns:
+        sid: session id.
+        mid: member id.
+        expires_in: access token expire time
+    """
+    headers = {
+        'Connection': 'keep-alive',
+        'Accept-Encoding': 'gzip,deflate',
+        'Host': 'passport.bilibili.com',
+        'User-Agent': '',
+    }
+
+    login_params = {
+        'appkey': APPKEY,
+        'access_token': access_token,
+        'platform': "pc",
+        'ts': str(int(datetime.now().timestamp())),
+    }
+    login_params['sign'] = cipher.sign_dict(login_params, APPSECRET)
+
+    r = requests.get(
+        url="https://passport.bilibili.com/api/oauth2/info",
+        headers=headers,
+        params=login_params
+    )
+
+    login_data = r.json()['data']
+
+    return r.cookies['sid'], login_data['mid'], login_data["expires_in"]
+
+
+def upload_cover(access_token, sid, cover_file_path):
+    with open(cover_file_path, "rb") as f:
+        cover_pic = f.read()
+
+    headers = {
+        'Connection': 'keep-alive',
+        'Host': 'member.bilibili.com',
+        'Accept-Encoding': 'gzip,deflate',
+        'User-Agent': '',
+    }
+
+    params = {
+        "access_key": access_token,
+    }
+
+    params["sign"] = cipher.sign_dict(params, APPSECRET)
+
+    files = {
+        'file': ("cover.png", cover_pic, "Content-Type: image/png"),
+    }
+
+    r = requests.post(
+        "http://member.bilibili.com/x/vu/client/cover/up",
+        headers=headers,
+        params=params,
+        files=files,
+        cookies={
+            'sid': sid
+        },
+        verify=False,
+    )
+
+    return r.json()["data"]["url"]
+
+
+def upload_chunk(upload_url, server_file_name, local_file_name, chunk_data, chunk_size, chunk_id, chunk_total_num):
+    """
+    upload video chunk.
+    Args:
+        upload_url: upload url by pre_upload api.
+        server_file_name: file name on server by pre_upload api.
+        local_file_name: video file name in local fs.
+        chunk_data: binary data of video chunk.
+        chunk_size: default of ugc_assisstant is 2M.
+        chunk_id: chunk number.
+        chunk_total_num: total chunk number.
+
+    Returns:
+        True: upload chunk success.
+        False: upload chunk fail.
+    """
+    print("chunk{}/{}".format(chunk_id, chunk_total_num))
+    print("filename: {}".format(local_file_name))
+    files = {
+        'version': (None, '2.0.0.1054'),
+        'filesize': (None, chunk_size),
+        'chunk': (None, chunk_id),
+        'chunks': (None, chunk_total_num),
+        'md5': (None, cipher.md5_bytes(chunk_data)),
+        'file': (local_file_name, chunk_data, 'application/octet-stream')
+    }
+
+    r = requests.post(
+        url=upload_url,
+        files=files,
+        cookies={
+            'PHPSESSID': server_file_name
+        },
+    )
+    print(r.status_code)
+    print(r.content)
+
+    if r.status_code == 200 and r.json()['OK'] == 1:
+        return True
+    else:
+        return False
+
+
+def upload_video_part(access_token, sid, mid, video_part: VideoPart, max_retry=5, cb=None):
+    """
+    upload a video file.
+    Args:
+        access_token: access token generated by login api.
+        sid: session id.
+        mid: member id.
+        video_part: local video file data.
+        max_retry: max retry number for each chunk.
+        cb: 回调
+
+    Returns:
+        status: success or fail.
+        server_file_name: server file name by pre_upload api.
+    """
+    if cb is None:
+        cb = lambda f, c, t: None
+    if not isinstance(video_part, VideoPart):
+        return False
+    if video_part.server_file_name is not None:
+        return True
+    headers = {
+        'Connection': 'keep-alive',
+        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+        'User-Agent': '',
+        'Accept-Encoding': 'gzip,deflate',
+    }
+
+    r = requests.get(
+        "http://member.bilibili.com/preupload?access_key={}&mid={}&profile=ugcfr%2Fpc3".format(access_token, mid),
+        headers=headers,
+        cookies={
+            'sid': sid
+        },
+        verify=False,
+    )
+
+    pre_upload_data = r.json()
+    upload_url = pre_upload_data['url']
+    complete_upload_url = pre_upload_data['complete']
+    server_file_name = pre_upload_data['filename']
+    local_file_name = video_part.path
+
+    file_size = os.path.getsize(local_file_name)
+    chunk_total_num = int(math.ceil(file_size / CHUNK_SIZE))
+    file_hash = hashlib.md5()
+    with open(local_file_name, 'rb') as f:
+        for chunk_id in range(0, chunk_total_num):
+            chunk_data = f.read(CHUNK_SIZE)
+            cb(video_part, chunk_id, chunk_total_num)
+            status = Retry(max_retry=max_retry, success_return_value=True).run(
+                upload_chunk,
+                upload_url,
+                server_file_name,
+                os.path.basename(local_file_name),
+                chunk_data,
+                CHUNK_SIZE,
+                chunk_id,
+                chunk_total_num
+            )
+
+            if not status:
+                return False
+            file_hash.update(chunk_data)
+    print(file_hash.hexdigest())
+
+    # complete upload
+    post_data = {
+        'chunks': chunk_total_num,
+        'filesize': file_size,
+        'md5': file_hash.hexdigest(),
+        'name': os.path.basename(local_file_name),
+        'version': '2.0.0.1054',
+    }
+
+    r = requests.post(
+        url=complete_upload_url,
+        data=post_data,
+        headers=headers,
+    )
+    print(r.status_code)
+    print(r.content)
+
+    video_part.server_file_name = server_file_name
+
+    return True
+
+
+def upload(access_token,
+           sid,
+           mid,
+           parts,
+           copyright: int,
+           title: str,
+           tid: int,
+           tag: str,
+           desc: str,
+           source: str = '',
+           cover: str = '',
+           no_reprint: int = 0,
+           open_elec: int = 1,
+           max_retry: int = 5,
+           thread_pool_workers: int = 1):
+    """
+    upload video.
+
+    Args:
+        access_token: oauth2 access token.
+        sid: session id.
+        mid: member id.
+        parts: VideoPart list.
+        copyright: 原创/转载.
+        title: 投稿标题.
+        tid: 分区id.
+        tag: 标签.
+        desc: 投稿简介.
+        source: 转载地址.
+        cover: 封面图片文件路径.
+        no_reprint: 可否转载.
+        open_elec: 充电.
+        max_retry: max retry time for each chunk.
+        thread_pool_workers: max upload threads.
+
+    Returns:
+        (aid, bvid)
+        aid: av号
+        bvid: bv号
+    """
+    if not isinstance(parts, list):
+        parts = [parts]
+
+    status = True
+    with ThreadPoolExecutor(max_workers=thread_pool_workers) as tpe:
+        t_list = []
+        for video_part in parts:
+            print("upload {} added in pool".format(video_part.title))
+            t_obj = tpe.submit(upload_video_part, access_token, sid, mid, video_part, max_retry)
+            t_obj.video_part = video_part
+            t_list.append(t_obj)
+
+        for t_obj in as_completed(t_list):
+            status = status and t_obj.result()
+            print("video part {} finished, status: {}".format(t_obj.video_part.title, t_obj.result()))
+            if not status:
+                print("upload failed")
+                return None, None
+
+    # cover
+    if os.path.isfile(cover):
+        try:
+            cover = upload_cover(access_token, sid, cover)
+        except:
+            cover = ''
+    else:
+        cover = ''
+
+    # submit
+    headers = {
+        'Connection': 'keep-alive',
+        'Content-Type': 'application/json',
+        'User-Agent': '',
+    }
+    post_data = {
+        'build': 1054,
+        'copyright': copyright,
+        'cover': cover,
+        'desc': desc,
+        'no_reprint': no_reprint,
+        'open_elec': open_elec,
+        'source': source,
+        'tag': tag,
+        'tid': tid,
+        'title': title,
+        'videos': []
+    }
+    for video_part in parts:
+        post_data['videos'].append({
+            "desc": video_part.desc,
+            "filename": video_part.server_file_name,
+            "title": video_part.title
+        })
+
+    params = {
+        'access_key': access_token,
+    }
+    params['sign'] = cipher.sign_dict(params, APPSECRET)
+    r = requests.post(
+        url="http://member.bilibili.com/x/vu/client/add",
+        params=params,
+        headers=headers,
+        verify=False,
+        cookies={
+            'sid': sid
+        },
+        json=post_data,
+    )
+
+    print("submit")
+    print(r.status_code)
+    print(r.content.decode())
+
+    data = r.json()["data"]
+    return data["aid"], data["bvid"]
+
+
+def get_post_data(access_token, sid, avid):
+    headers = {
+        'Connection': 'keep-alive',
+        'Host': 'member.bilibili.com',
+        'Accept-Encoding': 'gzip,deflate',
+        'User-Agent': '',
+    }
+
+    params = {
+        "access_key": access_token,
+        "aid": avid,
+        "build": "1054"
+    }
+
+    params["sign"] = cipher.sign_dict(params, APPSECRET)
+
+    r = requests.get(
+        url="http://member.bilibili.com/x/client/archive/view",
+        headers=headers,
+        params=params,
+        cookies={
+            'sid': sid
+        }
+    )
+
+    return r.json()["data"]
+
+
+def edit_videos(
+        access_token,
+        sid,
+        mid,
+        avid=None,
+        bvid=None,
+        parts=None,
+        insert_index=None,
+        copyright=None,
+        title=None,
+        tid=None,
+        tag=None,
+        desc=None,
+        source=None,
+        cover=None,
+        no_reprint=None,
+        open_elec=None,
+        max_retry: int = 5,
+        thread_pool_workers: int = 1):
+    """
+    insert videos into existed post.
+
+    Args:
+        access_token: oauth2 access token.
+        sid: session id.
+        mid: member id.
+        avid: av number,
+        bvid: bv string,
+        parts: VideoPart list.
+        insert_index: new video index.
+        copyright: 原创/转载.
+        title: 投稿标题.
+        tid: 分区id.
+        tag: 标签.
+        desc: 投稿简介.
+        source: 转载地址.
+        cover: cover url.
+        no_reprint: 可否转载.
+        open_elec: 充电.
+        max_retry: max retry time for each chunk.
+        thread_pool_workers: max upload threads.
+
+    Returns:
+        (aid, bvid)
+        aid: av号
+        bvid: bv号
+    """
+    if not avid and not bvid:
+        print("please provide avid or bvid")
+        return None, None
+    if not avid:
+        avid = cipher.bv2av(bvid)
+    if not isinstance(parts, list):
+        parts = [parts]
+    if type(avid) is str:
+        avid = int(avid)
+
+    post_video_data = get_post_data(access_token, sid, avid)
+
+    status = True
+    with ThreadPoolExecutor(max_workers=thread_pool_workers) as tpe:
+        t_list = []
+        for video_part in parts:
+            print("upload {} added in pool".format(video_part.title))
+            t_obj = tpe.submit(upload_video_part, access_token, sid, mid, video_part, max_retry)
+            t_obj.video_part = video_part
+            t_list.append(t_obj)
+
+        for t_obj in as_completed(t_list):
+            status = status and t_obj.result()
+            print("video part {} finished, status: {}".format(t_obj.video_part.title, t_obj.result()))
+            if not status:
+                print("upload failed")
+                return None, None
+
+    headers = {
+        'Connection': 'keep-alive',
+        'Content-Type': 'application/json',
+        'User-Agent': '',
+    }
+    submit_data = {
+        'aid': avid,
+        'build': 1054,
+        'copyright': post_video_data["archive"]["copyright"],
+        'cover': post_video_data["archive"]["cover"],
+        'desc': post_video_data["archive"]["desc"],
+        'no_reprint': post_video_data["archive"]["no_reprint"],
+        'open_elec': post_video_data["archive_elec"]["state"],  # open_elec not tested
+        'source': post_video_data["archive"]["source"],
+        'tag': post_video_data["archive"]["tag"],
+        'tid': post_video_data["archive"]["tid"],
+        'title': post_video_data["archive"]["title"],
+        'videos': post_video_data["videos"]
+    }
+
+    # cover
+    if os.path.isfile(cover):
+        try:
+            cover = upload_cover(access_token, sid, cover)
+        except:
+            cover = ''
+    else:
+        cover = ''
+
+    # edit archive data
+    if copyright:
+        submit_data["copyright"] = copyright
+    if title:
+        submit_data["title"] = title
+    if tid:
+        submit_data["tid"] = tid
+    if tag:
+        submit_data["tag"] = tag
+    if desc:
+        submit_data["desc"] = desc
+    if source:
+        submit_data["source"] = source
+    if cover:
+        submit_data["cover"] = cover
+    if no_reprint:
+        submit_data["no_reprint"] = no_reprint
+    if open_elec:
+        submit_data["open_elec"] = open_elec
+
+    if type(insert_index) is int:
+        for i, video_part in enumerate(parts):
+            submit_data['videos'].insert(insert_index + i, {
+                "desc": video_part.desc,
+                "filename": video_part.server_file_name,
+                "title": video_part.title
+            })
+    elif insert_index is None:
+        for video_part in parts:
+            submit_data['videos'].append({
+                "desc": video_part.desc,
+                "filename": video_part.server_file_name,
+                "title": video_part.title
+            })
+    else:
+        print("wrong insert index")
+        return None, None
+
+    params = {
+        'access_key': access_token,
+    }
+    params['sign'] = cipher.sign_dict(params, APPSECRET)
+    r = requests.post(
+        url="http://member.bilibili.com/x/vu/client/edit",
+        params=params,
+        headers=headers,
+        verify=False,
+        cookies={
+            'sid': sid
+        },
+        json=submit_data,
+    )
+
+    print("edit submit")
+    print(r.status_code)
+    print(r.content.decode())
+
+    data = r.json()["data"]
+    return data["aid"], data["bvid"]
diff --git a/bilibiliuploader/util/__init__.py b/bilibiliuploader/util/__init__.py
new file mode 100644
index 0000000..17d846e
--- /dev/null
+++ b/bilibiliuploader/util/__init__.py
@@ -0,0 +1 @@
+from .cipher import *
diff --git a/bilibiliuploader/util/cipher.py b/bilibiliuploader/util/cipher.py
new file mode 100644
index 0000000..a88c948
--- /dev/null
+++ b/bilibiliuploader/util/cipher.py
@@ -0,0 +1,119 @@
+import hashlib
+import rsa
+import base64
+import subprocess
+import platform
+import os.path
+
+
+def md5(data: str):
+    """
+    generate md5 hash of utf-8 encoded string.
+    """
+    return hashlib.md5(data.encode("utf-8")).hexdigest()
+
+
+def md5_bytes(data: bytes):
+    """
+    generate md5 hash of binary.
+    """
+    return hashlib.md5(data).hexdigest()
+
+
+def sign_str(data: str, app_secret: str):
+    """
+    sign a string of request parameters
+    Args:
+        data: string of request parameters, must be sorted by key before input.
+        app_secret: a secret string coupled with app_key.
+
+    Returns:
+        A hash string. len=32
+    """
+    return md5(data + app_secret)
+
+
+def sign_dict(data: dict, app_secret: str):
+    """
+    sign a dictionary of request parameters
+    Args:
+        data: dictionary of request parameters.
+        app_secret: a secret string coupled with app_key.
+
+    Returns:
+        A hash string. len=32
+    """
+    data_str = []
+    keys = list(data.keys())
+    keys.sort()
+    for key in keys:
+        data_str.append("{}={}".format(key, data[key]))
+    data_str = "&".join(data_str)
+    data_str = data_str + app_secret
+    return md5(data_str)
+
+
+def login_sign_dict_bin(data: dict):
+    data_str = []
+    keys = list(data.keys())
+    keys.sort()
+    for key in keys:
+        data_str.append("{}={}".format(key, data[key]))
+    data_str = "&".join(data_str)
+    package_directory = os.path.dirname(os.path.abspath(__file__))
+    if platform.system().lower() == 'windows':
+        print(data_str)
+        print(subprocess.Popen([os.path.join(package_directory, "sign.exe"), data_str], stdout=subprocess.PIPE).communicate()[0].decode().strip())
+
+        return subprocess.Popen([os.path.join(package_directory, "sign.exe"), data_str], stdout=subprocess.PIPE).communicate()[0].decode().strip()
+    if platform.system().lower() == 'linux':
+        return subprocess.Popen([os.path.join(package_directory, "sign.out"), data_str], stdout=subprocess.PIPE).communicate()[0].decode().strip()
+    raise Exception("Operating System is not supported.")
+
+
+def encrypt_login_password(password, hash, pubkey):
+    """
+    encrypt password for login api.
+    Args:
+        password: plain text of user password.
+        hash: hash provided by /api/oauth2/getKey.
+        pubkey: public key provided by /api/oauth2/getKey.
+
+    Returns:
+        An encrypted cipher of password.
+    """
+    return base64.b64encode(rsa.encrypt(
+        (hash + password).encode('utf-8'),
+        rsa.PublicKey.load_pkcs1_openssl_pem(pubkey.encode()),
+    ))
+
+
+def av2bv(av: int):
+    table = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'
+    tr = {}
+    for i in range(58):
+        tr[table[i]] = i
+    s = [11, 10, 3, 8, 4, 6]
+    xor = 177451812
+    add = 8728348608
+
+    av = (av ^ xor) + add
+    r = list('BV1  4 1 7  ')
+    for i in range(6):
+        r[s[i]] = table[av // 58 ** i % 58]
+    return ''.join(r)
+
+
+def bv2av(bv: str):
+    table = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'
+    tr = {}
+    for i in range(58):
+        tr[table[i]] = i
+    s = [11, 10, 3, 8, 4, 6]
+    xor = 177451812
+    add = 8728348608
+
+    r = 0
+    for i in range(6):
+        r += tr[bv[s[i]]] * 58 ** i
+    return (r - add) ^ xor
diff --git a/bilibiliuploader/util/retry.py b/bilibiliuploader/util/retry.py
new file mode 100644
index 0000000..d9f3151
--- /dev/null
+++ b/bilibiliuploader/util/retry.py
@@ -0,0 +1,18 @@
+
+
+class Retry:
+    def __init__(self, max_retry, success_return_value):
+        self.max_retry = max_retry
+        self.success_return_value = success_return_value
+
+    def run(self, func, *args, **kwargs):
+        status = False
+        for i in range(0, self.max_retry):
+            try:
+                return_value = func(*args, **kwargs)
+            except Exception:
+                return_value = not self.success_return_value
+            if return_value == self.success_return_value:
+                status = True
+                break
+        return status
diff --git a/bilibiliuploader/util/sign.exe b/bilibiliuploader/util/sign.exe
new file mode 100644
index 0000000..44d07df
Binary files /dev/null and b/bilibiliuploader/util/sign.exe differ
diff --git a/bilibiliuploader/util/sign.out b/bilibiliuploader/util/sign.out
new file mode 100644
index 0000000..9784f9c
Binary files /dev/null and b/bilibiliuploader/util/sign.out differ
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..ccdeaff
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,11 @@
+psutil>=5.9.0
+certifi>=2020.4.5.1
+chardet>=3.0.4
+idna>=2.9
+pyasn1>=0.4.8
+requests>=2.23.0
+rsa>=4.0
+urllib3>=1.25.9
+flask>=2.0.2
+flask_cors>=3.0.10
+protobuf>=3.19.4