  #html_short_title = None
  
  # The name of an image file (relative to this directory) to place at the top
  # of the sidebar.
  #html_logo = None
  
  # The name of an image file (relative to this directory) to use as a favicon of
  # the docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
  # pixels large.
  #html_favicon = None
 
</s> remove #latex_logo = None
 </s> add latex_logo = '_static/gluon_logo.png' </s> remove #html_favicon = None
 </s> add html_favicon = '_static/favicon.ico' </s> remove #html_search_language = 'en'
 </s> add html_search_language = 'zh'
html_logo = '_static/gluon_logo.png'
  #html_short_title = None
  
  # The name of an image file (relative to this directory) to place at the top
  # of the sidebar.
html_logo = '_static/gluon_logo.png'
  
  # The name of an image file (relative to this directory) to use as a favicon of
  # the docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
  # pixels large.
  #html_favicon = None
keep keep keep keep replace keep keep keep keep keep
 add logo and ico (#25) 
conf.py