: conf.py xelatex:
latex_elements = {
'preamble': ''' \usepackage{fontspec} \setmainfont{Times New Roman}
''',
'inputenc': '',
'fncychap': '',
'utf8extra': '',
'times': '',
'babel': '\usepackage{polyglossia}',
'cmap': '',
'fontenc': '',
'releasename': '', }
, xelatex .