bug fix

import sys

import os

import logging

import re

config = None

logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s", level=logging.DEBUG)

                break

            logging.info('You are offline. Starting login...')

            hostname = 'http://enet.10000.gd.cn:10001/sz/sz112/'

            rem_link = re.search(r'window\.location = \'(.*)\';', test.text).group(1)

            url = hostname  + rem_link

            soup_login = BeautifulSoup(login.get(url).content, 'html5lib')

            logging.info('Start to get login information')

            action = soup_login.find('form', id='fm1')['action']  # get login url

            url = 'https://cas.sustc.edu.cn{}'.format(action)

            h = {

                # 'Host': 'cas.sustc.edu.cn',

                # 'Connection': 'keep-alive',

                'Cache-Control': 'max-age=0',

                'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',

                'Origin': 'http://cas.sustc.edu.cn',

                # 'Upgrade-Insecure-Requests': '1',

                'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36',

                'Content-Type': 'application/x-www-form-urlencoded',

                'DNT': '1',