  
  # 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
  
  # Add any paths that contain custom static files (such as style sheets) here,
  # relative to this directory. They are copied after the builtin static files,
  # so a file named "default.css" will overwrite the builtin "default.css".
  html_static_path = ['_static']
 
</s> remove #html_logo = None
 </s> add html_logo = '_static/gluon_logo.png' </s> remove #latex_logo = None
 </s> add latex_logo = '_static/gluon_logo.png' </s> remove #html_search_language = 'en'
 </s> add html_search_language = 'zh'
html_favicon = '_static/favicon.ico'
  
  # 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 = '_static/favicon.ico'
  
  # Add any paths that contain custom static files (such as style sheets) here,
  # relative to this directory. They are copied after the builtin static files,
  # so a file named "default.css" will overwrite the builtin "default.css".
  html_static_path = ['_static']
keep keep keep keep replace keep keep keep keep keep
 add logo and ico (#25) 
conf.py