old_contents: # site info
  title = '''RC's Blog'''
  subtitle = ''
  root_url = 'http://blog.r-c.im'
  author = 'Richard Chien'
  email = 'richardchienthebest@gmail.com'
  
  # configuration
  entry_count_one_page = 10
  feed_count = 10
  language = 'zh_CN'
  timezone = 'UTC+08:00'  # UTC±[hh]:[mm]
  host = '0.0.0.0'
  port = 8080
  
new_contents: # site info
  title = '''RiCE Blog'''
  subtitle = ''
  root_url = 'http://blog.r-c.im'
  author = 'Richard Chien'
  email = 'richardchienthebest@gmail.com'
  
  # configuration
  entry_count_one_page = 10
  feed_count = 10
  language = 'zh_CN'
  timezone = 'UTC+08:00'  # UTC±[hh]:[mm]
  host = '0.0.0.0'
  port = 8080
  
subject: Change blog title