old_contents: headers = {
      'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/'
                    '537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36',
      'Referer': ''
  }
  
  r_server = {
      'ip': 'localhost',
      'port': '6379',
      'passwd': '',
      's_proxy': 'proxy_ip',
      's_url': 'url'
  }
  
  settings = {
      # 使用代理时最大尝试次数
      'maxtries': 3,
      # 每个版块遍历的页数
      'b_pages': 5,
      # 合格的回复下限
      'reply': 45,
      # 合格的阅读下限
      'read': 10000,
  }
  
new_contents: headers = {
      'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/'
                    '537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36',
      'Referer': ''
  }
  
  r_server = {
      'ip': 'localhost',
      'port': '6379',
      'passwd': '',
      's_proxy': 'proxy_ip',
       # the name of set which stores url of posts
      's_url': 'url'
  }
  
  settings = {
      # 使用代理时最大尝试次数
      'maxtries': 3,
      # 每个版块遍历的页数
      'b_pages': 5,
      # 合格的回复下限
      'reply': 45,
      # 合格的阅读下限
      'read': 10000,
  }
  
subject: Update config.py