diff --git a/.travis.yml b/.travis.yml
index e8a0921..b0b5eef 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,9 +13,9 @@ install:
 
 script:
     - echo 268642 > /tmp/test.txt
+    - NHENTAI=https://nhentai.net nhentai --cookie '__cfduid=da09f237ceb0f51c75980b0b3fda3ce571558179357; _ga=GA1.2.2000087053.1558179358; _gid=GA1.2.717818542.1558179358; csrftoken=iSxrTFOjrujJqauhAqWvTTI9dl3sfWnxdEFoMuqgmlBrbMin5Gj9wJW4r61cmH1X; sessionid=ewuaayfewbzpiukrarx9d52oxwlz2esd'
     - NHENTAI=https://nhentai.net nhentai --search umaru
-    - NHENTAI=https://nhentai.net nhentai --id=152503,146134 -t 10 --output=/tmp/
-    - NHENTAI=https://nhentai.net nhentai -l nhentai_test:nhentai --download --output=/tmp/
+    - NHENTAI=https://nhentai.net nhentai --id=152503,146134 -t 10 --output=/tmp/ --cbz
     - NHENTAI=https://nhentai.net nhentai --tag lolicon
-    - NHENTAI=https://nhentai.net nhentai --id 92066 --output=/tmp/ --cbz
+    - NHENTAI=https://nhentai.net nhentai -F
     - NHENTAI=https://nhentai.net nhentai --file /tmp/test.txt
diff --git a/README.md b/README.md
deleted file mode 100644
index ac8aefc..0000000
--- a/README.md
+++ /dev/null
@@ -1,84 +0,0 @@
-nhentai
-=======
-           _   _            _        _
-     _ __ | | | | ___ _ __ | |_ __ _(_)
-    | '_ \| |_| |/ _ \ '_ \| __/ _` | |
-    | | | |  _  |  __/ | | | || (_| | |
-    |_| |_|_| |_|\___|_| |_|\__\__,_|_|
-
-あなたも変態。 いいね?  
-[![Build Status](https://travis-ci.org/RicterZ/nhentai.svg?branch=master)](https://travis-ci.org/RicterZ/nhentai) ![nhentai PyPI Downloads](https://img.shields.io/pypi/dm/nhentai.svg) [![license](https://img.shields.io/cocoapods/l/AFNetworking.svg)](https://github.com/RicterZ/nhentai/blob/master/LICENSE)
-
-
-nHentai is a CLI tool for downloading doujinshi from [nhentai.net](http://nhentai.net).
-
-### Installation
-
-    git clone https://github.com/RicterZ/nhentai
-    cd nhentai
-    python setup.py install
-    
-### Installation (Gentoo)
-
-    layman -fa glicOne
-    sudo emerge net-misc/nhentai
-
-### Usage
-**IMPORTANT**: To bypass the nhentai frequency limit, you should use `--login` option to log into nhentai.net.
-
-*The default download folder will be the path where you run the command (CLI path).*
-
-Download specified doujinshi:
-```bash
-nhentai --id=123855,123866
-```
-
-Download doujinshi with ids specified in a file:
-```bash
-nhentai --file=doujinshi.txt
-```
-
-Search a keyword and download the first page:
-```bash
-nhentai --search="tomori" --page=1 --download
-```
-
-Download your favourite doujinshi (login required):
-```bash
-nhentai --login "username:password" --download
-```
-
-Download by tag name:
-```bash
-nhentai --tag lolicon --download
-```
-
-### Options
-
-+ `-t, --thread`: Download threads, max: 10  
-+ `--output`:Output dir of saving doujinshi  
-+ `--tag`:Download by tag name  
-+ `--timeout`: Timeout of downloading each image   
-+ `--proxy`: Use proxy, example: http://127.0.0.1:8080/  
-+ `--login`: username:password pair of your nhentai account  
-+ `--nohtml`: Do not generate HTML  
-+ `--cbz`: Generate Comic Book CBZ File  
-
-### nHentai Mirror
-If you want to use a mirror, you should set up a reverse proxy of `nhentai.net` and `i.nhentai.net`.
-For example:
-
-    i.h.loli.club -> i.nhentai.net
-    h.loli.club -> nhentai.net
-
-Set `NHENTAI` env var to your nhentai mirror.
-```bash
-NHENTAI=http://h.loli.club nhentai --id 123456
-```
-
-![](./images/search.png)  
-![](./images/download.png)  
-![](./images/viewer.png)  
-
-### あなたも変態
-![](./images/image.jpg)
diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..5369190
--- /dev/null
+++ b/README.rst
@@ -0,0 +1,187 @@
+nhentai
+=======
+
+.. code-block::
+
+           _   _            _        _
+     _ __ | | | | ___ _ __ | |_ __ _(_)
+    | '_ \| |_| |/ _ \ '_ \| __/ _` | |
+    | | | |  _  |  __/ | | | || (_| | |
+    |_| |_|_| |_|\___|_| |_|\__\__,_|_|
+
+
+あなたも変態。 いいね?
+
+|travis|
+|pypi|
+|license|
+
+
+nHentai is a CLI tool for downloading doujinshi from <http://nhentai.net>
+
+============
+Installation
+============
+.. code-block::
+
+    git clone https://github.com/RicterZ/nhentai
+    cd nhentai
+    python setup.py install
+    
+=====================
+Installation (Gentoo)
+=====================
+.. code-block::
+
+    layman -fa glicOne
+    sudo emerge net-misc/nhentai
+
+=====
+Usage
+=====
+**IMPORTANT**: To bypass the nhentai frequency limit, you should use `--cookie` option to store your cookie.
+
+*The default download folder will be the path where you run the command (CLI path).*
+
+
+Set your nhentai cookie against captcha:
+
+.. code-block:: bash
+
+    nhentai --cookie 'YOUR COOKIE FROM nhentai.net'
+
+Download specified doujinshi:
+
+.. code-block:: bash
+
+    nhentai --id=123855,123866
+
+Download doujinshi with ids specified in a file (doujinshi ids split by line):
+
+.. code-block:: bash
+
+    nhentai --file=doujinshi.txt
+
+Search a keyword and download the first page:
+
+.. code-block:: bash
+
+    nhentai --search="tomori" --page=1 --download
+
+Download by tag name:
+
+.. code-block:: bash
+
+    nhentai --tag lolicon --download --page=2
+
+Download your favorites with delay:
+
+.. code-block:: bash
+
+    nhentai --favorites --download --delay 1
+
+Format output doujinshi folder name:
+
+.. code-block:: bash
+
+    nhentai --id 261100 --format '[%i]%s'
+
+Supported doujinshi folder formatter:
+
+- %i: Doujinshi id
+- %t: Doujinshi name
+- %s: Doujinshi subtitle (translated name)
+- %a: Doujinshi authors' name
+
+
+Other options:
+
+.. code-block::
+
+    Options:
+      # Operation options
+      -h, --help            show this help message and exit
+      -D, --download        download doujinshi (for search results)
+      -S, --show            just show the doujinshi information
+
+      # Doujinshi options
+      --id=ID               doujinshi ids set, e.g. 1,2,3
+      -s KEYWORD, --search=KEYWORD
+                            search doujinshi by keyword
+      --tag=TAG             download doujinshi by tag
+      -F, --favorites       list or download your favorites.
+
+      # Multi-page options
+      --page=PAGE           page number of search results
+      --max-page=MAX_PAGE   The max page when recursive download tagged doujinshi
+
+      # Download options
+      -o OUTPUT_DIR, --output=OUTPUT_DIR
+                            output dir
+      -t THREADS, --threads=THREADS
+                            thread count for downloading doujinshi
+      -T TIMEOUT, --timeout=TIMEOUT
+                            timeout for downloading doujinshi
+      -d DELAY, --delay=DELAY
+                            slow down between downloading every doujinshi
+      -p PROXY, --proxy=PROXY
+                            uses a proxy, for example: http://127.0.0.1:1080
+      -f FILE, --file=FILE  read gallery IDs from file.
+      --format=NAME_FORMAT  format the saved folder name
+
+      # Generating options
+      --html                generate a html viewer at current directory
+      --no-html             don't generate HTML after downloading
+      -C, --cbz             generate Comic Book CBZ File
+      --rm-origin-dir       remove downloaded doujinshi dir when generated CBZ
+                            file.
+
+      # nHentai options
+      --cookie=COOKIE       set cookie of nhentai to bypass Google recaptcha
+
+
+==============
+nHentai Mirror
+==============
+If you want to use a mirror, you should set up a reverse proxy of `nhentai.net` and `i.nhentai.net`.
+For example:
+
+.. code-block:: 
+
+    i.h.loli.club -> i.nhentai.net
+    h.loli.club -> nhentai.net
+
+Set `NHENTAI` env var to your nhentai mirror.
+
+.. code-block:: bash
+
+    NHENTAI=http://h.loli.club nhentai --id 123456
+
+
+.. image:: ./images/search.png?raw=true
+    :alt: nhentai
+    :align: center
+.. image:: ./images/download.png?raw=true
+    :alt: nhentai
+    :align: center
+.. image:: ./images/viewer.png?raw=true
+    :alt: nhentai
+    :align: center
+
+============
+あなたも変態
+============
+.. image:: ./images/image.jpg?raw=true
+    :alt: nhentai
+    :align: center
+
+
+
+.. |travis| image:: https://travis-ci.org/RicterZ/nhentai.svg?branch=master
+   :target: https://travis-ci.org/RicterZ/nhentai
+
+.. |pypi| image:: https://img.shields.io/pypi/dm/nhentai.svg
+   :target: https://pypi.org/project/nhentai/
+
+.. |license| image:: https://img.shields.io/github/license/ricterz/nhentai.svg
+   :target: https://github.com/RicterZ/nhentai/blob/master/LICENSE
diff --git a/nhentai/__init__.py b/nhentai/__init__.py
index b6f0dc4..42ea186 100644
--- a/nhentai/__init__.py
+++ b/nhentai/__init__.py
@@ -1,3 +1,3 @@
-__version__ = '0.3.1'
+__version__ = '0.3.4'
 __author__ = 'RicterZ'
 __email__ = 'ricterzheng@gmail.com'
diff --git a/nhentai/cmdline.py b/nhentai/cmdline.py
index 7e199b4..de6455c 100644
--- a/nhentai/cmdline.py
+++ b/nhentai/cmdline.py
@@ -1,14 +1,15 @@
 # coding: utf-8
 from __future__ import print_function
+import os
 import sys
 from optparse import OptionParser
-from nhentai import __version__
 try:
     from itertools import ifilter as filter
 except ImportError:
     pass
 
 import nhentai.constant as constant
+from nhentai import __version__
 from nhentai.utils import urlparse, generate_html, generate_main_html
 from nhentai.logger import logger
 
@@ -40,40 +41,54 @@ def cmd_parser():
                           '\n  nhentai --file [filename]'    
                           '\n\nEnvironment Variable:\n'
                           '  NHENTAI                 nhentai mirror url')
-    parser.add_option('--download', dest='is_download', action='store_true',
+    # operation options
+    parser.add_option('--download', '-D', dest='is_download', action='store_true',
                       help='download doujinshi (for search results)')
-    parser.add_option('--show-info', dest='is_show', action='store_true', help='just show the doujinshi information')
+    parser.add_option('--show', '-S', dest='is_show', action='store_true', help='just show the doujinshi information')
+
+    # doujinshi options
     parser.add_option('--id', type='string', dest='id', action='store', help='doujinshi ids set, e.g. 1,2,3')
-    parser.add_option('--search', type='string', dest='keyword', action='store', help='search doujinshi by keyword')
+    parser.add_option('--search', '-s', type='string', dest='keyword', action='store', help='search doujinshi by keyword')
+    parser.add_option('--tag', type='string', dest='tag', action='store', help='download doujinshi by tag')
+    parser.add_option('--favorites', '-F', action='store_true', dest='favorites',
+                      help='list or download your favorites.')
+
+    # page options
     parser.add_option('--page', type='int', dest='page', action='store', default=1,
                       help='page number of search results')
-    parser.add_option('--tag', type='string', dest='tag', action='store', help='download doujinshi by tag')
     parser.add_option('--max-page', type='int', dest='max_page', action='store', default=1,
                       help='The max page when recursive download tagged doujinshi')
-    parser.add_option('--output', type='string', dest='output_dir', action='store', default='',
+
+    # download options
+    parser.add_option('--output', '-o', type='string', dest='output_dir', action='store', default='',
                       help='output dir')
     parser.add_option('--threads', '-t', type='int', dest='threads', action='store', default=5,
                       help='thread count for downloading doujinshi')
-    parser.add_option('--timeout', type='int', dest='timeout', action='store', default=30,
+    parser.add_option('--timeout', '-T', type='int', dest='timeout', action='store', default=30,
                       help='timeout for downloading doujinshi')
-    parser.add_option('--proxy', type='string', dest='proxy', action='store', default='',
-                      help='uses a proxy, for example: --proxy "http://127.0.0.1:1080" or its alias "default"')
+    parser.add_option('--delay', '-d', type='int', dest='delay', action='store', default=0,
+                      help='slow down between downloading every doujinshi')
+    parser.add_option('--proxy', '-p', type='string', dest='proxy', action='store', default='',
+                      help='uses a proxy, for example: http://127.0.0.1:1080')
+    parser.add_option('--file',  '-f', type='string', dest='file', action='store', help='read gallery IDs from file.')
+    parser.add_option('--format', type='string', dest='name_format', action='store',
+                      help='format the saved folder name', default='[%i][%a][%t]')
+
+    # generate options
     parser.add_option('--html', dest='html_viewer', action='store_true',
                       help='generate a html viewer at current directory')
+    parser.add_option('--no-html', dest='is_nohtml', action='store_true',
+                      help='don\'t generate HTML after downloading')
     parser.add_option('--gen-main', dest='main_viewer', action='store_true',
                       help='generate a main viewer contain all the doujin in the folder')
-
-    parser.add_option('--login', '-l', type='str', dest='login', action='store',
-                      help='username:password pair of nhentai account')
-
-    parser.add_option('--nohtml', dest='is_nohtml', action='store_true',
-                      help='Don\'t generate HTML')
-
-    parser.add_option('--cbz', dest='is_cbz', action='store_true',
-                      help='Generate Comic Book CBZ File')
+    parser.add_option('--cbz', '-C', dest='is_cbz', action='store_true',
+                      help='generate Comic Book CBZ File')
     parser.add_option('--rm-origin-dir', dest='rm_origin_dir', action='store_true', default=False,
-                      help='Remove downloaded doujinshi dir when generated CBZ file.')
-    parser.add_option('--file',  '-f', type='string', dest='file', action='store', help='Read gallery IDs from file.')
+                      help='remove downloaded doujinshi dir when generated CBZ file.')
+
+    # nhentai options
+    parser.add_option('--cookie', type='str', dest='cookie', action='store',
+                      help='set cookie of nhentai to bypass Google recaptcha')
 
     try:
         sys.argv = list(map(lambda x: unicode(x.decode(sys.stdin.encoding)), sys.argv))
@@ -92,6 +107,25 @@ def cmd_parser():
         generate_main_html()
         exit(0)
 
+    if os.path.exists(os.path.join(constant.NHENTAI_HOME, 'cookie')):
+        with open(os.path.join(constant.NHENTAI_HOME, 'cookie'), 'r') as f:
+            constant.COOKIE = f.read()
+
+    if args.cookie:
+        try:
+            if not os.path.exists(constant.NHENTAI_HOME):
+                os.mkdir(constant.NHENTAI_HOME)
+
+            with open(os.path.join(constant.NHENTAI_HOME, 'cookie'), 'w') as f:
+                f.write(args.cookie)
+        except Exception as e:
+            logger.error('Cannot create NHENTAI_HOME: {}'.format(str(e)))
+            exit(1)
+
+        logger.info('Cookie saved.')
+        exit(0)
+
+    '''
     if args.login:
         try:
             _, _ = args.login.split(':', 1)
@@ -101,6 +135,12 @@ def cmd_parser():
 
         if not args.is_download:
             logger.warning('YOU DO NOT SPECIFY `--download` OPTION !!!')
+    '''
+
+    if args.favorites:
+        if not constant.COOKIE:
+            logger.warning('Cookie has not been set, please use `nhentai --cookie \'COOKIE\'` to set it.')
+            exit(1)
 
     if args.id:
         _ = map(lambda id_: id_.strip(), args.id.split(','))
@@ -112,12 +152,12 @@ def cmd_parser():
             args.id = set(map(int, filter(lambda id_: id_.isdigit(), _)))
 
     if (args.is_download or args.is_show) and not args.id and not args.keyword and \
-            not args.login and not args.tag:
+            not args.tag and not args.favorites:
         logger.critical('Doujinshi id(s) are required for downloading')
         parser.print_help()
         exit(1)
 
-    if not args.keyword and not args.id and not args.login and not args.tag:
+    if not args.keyword and not args.id and not args.tag and not args.favorites:
         parser.print_help()
         exit(1)
 
diff --git a/nhentai/command.py b/nhentai/command.py
index 4175bd1..71d0669 100644
--- a/nhentai/command.py
+++ b/nhentai/command.py
@@ -3,9 +3,10 @@
 from __future__ import unicode_literals, print_function
 import signal
 import platform
+import time
 
 from nhentai.cmdline import cmd_parser, banner
-from nhentai.parser import doujinshi_parser, search_parser, print_doujinshi, login_parser, tag_parser, login
+from nhentai.parser import doujinshi_parser, search_parser, print_doujinshi, favorites_parser, tag_parser, login
 from nhentai.doujinshi import Doujinshi
 from nhentai.downloader import Downloader
 from nhentai.logger import logger
@@ -21,43 +22,37 @@ def main():
     doujinshi_ids = []
     doujinshi_list = []
 
-    if options.login:
-        username, password = options.login.split(':', 1)
-        logger.info('Logging in to nhentai using credential pair \'%s:%s\'' % (username, '*' * len(password)))
-        login(username, password)
+    if options.favorites:
+        if not options.is_download:
+            logger.warning('You do not specify --download option')
 
-        if options.is_download or options.is_show:
-            for doujinshi_info in login_parser():
-                doujinshi_list.append(Doujinshi(**doujinshi_info))
+        doujinshi_ids = favorites_parser()
 
-            if options.is_show and not options.is_download:
-                print_doujinshi([{'id': i.id, 'title': i.name} for i in doujinshi_list])
-                exit(0)
-
-    if options.tag:
+    elif options.tag:
         doujinshis = tag_parser(options.tag, max_page=options.max_page)
         print_doujinshi(doujinshis)
-        if options.is_download:
+        if options.is_download and doujinshis:
             doujinshi_ids = map(lambda d: d['id'], doujinshis)
 
-    if options.keyword:
+    elif options.keyword:
         doujinshis = search_parser(options.keyword, options.page)
-        print(doujinshis)
         print_doujinshi(doujinshis)
         if options.is_download:
             doujinshi_ids = map(lambda d: d['id'], doujinshis)
 
-    if not doujinshi_ids:
+    elif not doujinshi_ids:
         doujinshi_ids = options.id
 
     if doujinshi_ids:
         for id_ in doujinshi_ids:
+            if options.delay:
+                time.sleep(options.delay)
             doujinshi_info = doujinshi_parser(id_)
-            doujinshi_list.append(Doujinshi(**doujinshi_info))
+            doujinshi_list.append(Doujinshi(name_format=options.name_format, **doujinshi_info))
 
     if not options.is_show:
         downloader = Downloader(path=options.output_dir,
-                                thread=options.threads, timeout=options.timeout)
+                                thread=options.threads, timeout=options.timeout, delay=options.delay)
 
         for doujinshi in doujinshi_list:
             doujinshi.downloader = downloader
diff --git a/nhentai/constant.py b/nhentai/constant.py
index 6eb3dee..11c0d02 100644
--- a/nhentai/constant.py
+++ b/nhentai/constant.py
@@ -1,6 +1,7 @@
 # coding: utf-8
 from __future__ import unicode_literals, print_function
 import os
+import tempfile
 from nhentai.utils import urlparse
 
 BASE_URL = os.getenv('NHENTAI', 'https://nhentai.net')
@@ -20,4 +21,8 @@ FAV_URL = '%s/favorites/' % BASE_URL
 u = urlparse(BASE_URL)
 IMAGE_URL = '%s://i.%s/galleries' % (u.scheme, u.hostname)
 
+NHENTAI_HOME = os.path.join(os.getenv('HOME', tempfile.gettempdir()), '.nhentai')
+
 PROXY = {}
+
+COOKIE = ''
diff --git a/nhentai/doujinshi.py b/nhentai/doujinshi.py
index 88e0925..0ee0598 100644
--- a/nhentai/doujinshi.py
+++ b/nhentai/doujinshi.py
@@ -27,7 +27,7 @@ class DoujinshiInfo(dict):
 
 
 class Doujinshi(object):
-    def __init__(self, name=None, id=None, img_id=None, ext='', pages=0, **kwargs):
+    def __init__(self, name=None, id=None, img_id=None, ext='', pages=0, name_format='[%i][%a][%t]', **kwargs):
         self.name = name
         self.id = id
         self.img_id = img_id
@@ -36,7 +36,12 @@ class Doujinshi(object):
         self.downloader = None
         self.url = '%s/%d' % (DETAIL_URL, self.id)
         self.info = DoujinshiInfo(**kwargs)
-        self.filename = format_filename('[%s][%s][%s]' % (self.id, self.info.artist, self.name))
+
+        name_format = name_format.replace('%i', str(self.id))
+        name_format = name_format.replace('%a', self.info.artists)
+        name_format = name_format.replace('%t', self.name)
+        name_format = name_format.replace('%s', self.info.subtitle)
+        self.filename = name_format
 
     def __repr__(self):
         return '<Doujinshi: {0}>'.format(self.name)
@@ -46,7 +51,7 @@ class Doujinshi(object):
             ["Doujinshi", self.name],
             ["Subtitle", self.info.subtitle],
             ["Characters", self.info.character],
-            ["Authors", self.info.artist],
+            ["Authors", self.info.artists],
             ["Language", self.info.language],
             ["Tags", self.info.tags],
             ["URL", self.url],
diff --git a/nhentai/downloader.py b/nhentai/downloader.py
index 8095c5f..81037f8 100644
--- a/nhentai/downloader.py
+++ b/nhentai/downloader.py
@@ -4,6 +4,8 @@ from future.builtins import str as text
 import os
 import requests
 import threadpool
+import time
+
 try:
     from urllib.parse import urlparse
 except ImportError:
@@ -23,7 +25,7 @@ class NhentaiImageNotExistException(Exception):
 
 class Downloader(Singleton):
 
-    def __init__(self, path='', thread=1, timeout=30):
+    def __init__(self, path='', thread=1, timeout=30, delay=0):
         if not isinstance(thread, (int, )) or thread < 1 or thread > 15:
             raise ValueError('Invalid threads count')
         self.path = str(path)
@@ -31,8 +33,11 @@ class Downloader(Singleton):
         self.threads = []
         self.thread_pool = None
         self.timeout = timeout
+        self.delay = delay
 
     def _download(self, url, folder='', filename='', retried=0):
+        if self.delay:
+            time.sleep(self.delay)
         logger.info('Starting to download {0} ...'.format(url))
         filename = filename if filename else os.path.basename(urlparse(url).path)
         base_filename, extension = os.path.splitext(filename)
diff --git a/nhentai/parser.py b/nhentai/parser.py
index 9feb89c..34555e0 100644
--- a/nhentai/parser.py
+++ b/nhentai/parser.py
@@ -25,6 +25,7 @@ def request(method, url, **kwargs):
     if not hasattr(session, method):
         raise AttributeError('\'requests.Session\' object has no attribute \'{0}\''.format(method))
 
+    session.headers.update({'Cookie': constant.COOKIE})
     return getattr(session, method)(url, proxies=constant.PROXY, verify=False, **kwargs)
 
 
@@ -37,6 +38,7 @@ def _get_csrf_token(content):
 
 
 def login(username, password):
+    logger.warning('This feature is deprecated, please use --cookie to set your cookie.')
     csrf_token = _get_csrf_token(request('get', url=constant.LOGIN_URL).text)
     if os.getenv('DEBUG'):
         logger.info('Getting CSRF token ...')
@@ -51,7 +53,7 @@ def login(username, password):
     }
     resp = request('post', url=constant.LOGIN_URL, data=login_dict)
 
-    if 'You\'re loading pages way too quickly.' in resp.text:
+    if 'You\'re loading pages way too quickly.' in resp.text or 'Really, slow down' in resp.text:
         csrf_token = _get_csrf_token(resp.text)
         resp = request('post', url=resp.url, data={'csrfmiddlewaretoken': csrf_token, 'next': '/'})
 
@@ -59,13 +61,12 @@ def login(username, password):
         logger.error('Login failed, please check your username and password')
         exit(1)
 
-    if 'You\'re loading pages way too quickly.' in resp.text:
-        logger.error('You meet challenge insistently, please submit a issue'
-                     ' at https://github.com/RicterZ/nhentai/issues')
+    if 'You\'re loading pages way too quickly.' in resp.text or 'Really, slow down' in resp.text:
+        logger.error('Using nhentai --cookie \'YOUR_COOKIE_HERE\' to save your Cookie.')
         exit(2)
 
 
-def login_parser():
+def favorites_parser():
     html = BeautifulSoup(request('get', constant.FAV_URL).content, 'html.parser')
     count = html.find('span', attrs={'class': 'count'})
     if not count:
@@ -91,20 +92,13 @@ def login_parser():
     ret = []
     doujinshi_id = re.compile('data-id="([\d]+)"')
 
-    def _callback(request, result):
-        ret.append(result)
-
-    # TODO: reduce threads number ...
-    thread_pool = threadpool.ThreadPool(1)
-
     for page in range(1, pages + 1):
         try:
             logger.info('Getting doujinshi ids of page %d' % page)
             resp = request('get', constant.FAV_URL + '?page=%d' % page).text
             ids = doujinshi_id.findall(resp)
-            requests_ = threadpool.makeRequests(doujinshi_parser, ids, _callback)
-            [thread_pool.putRequest(req) for req in requests_]
-            thread_pool.wait()
+            ret.extend(ids)
+
         except Exception as e:
             logger.error('Error: %s, continue', str(e))
 
diff --git a/setup.py b/setup.py
index d0f6562..7b87d5c 100644
--- a/setup.py
+++ b/setup.py
@@ -11,9 +11,10 @@ with open('requirements.txt') as f:
 
 
 def long_description():
-    with codecs.open('README.md', 'rb') as f:
-        if sys.version_info >= (3, 0, 0):
-            return str(f.read())
+    with codecs.open('README.rst', 'rb') as readme:
+        if not sys.version_info < (3, 0, 0):
+            return readme.read().decode('utf-8')
+
 
 setup(
     name='nhentai',