+ \usepackage{xeCJK}
+ %\setCJKmainfont{WenQuanYi Micro Hei}
+ %\setCJKmonofont{WenQuanYi Micro Hei Mono}
+\fi
+
+% proper line breaking, punctuation kerning and font switching
+% features with LuaTeX
+% see https://tex.stackexchange.com/questions/222980/how-to-use-chinese-with-lualatex
+\usepackage{ifluatex}
+\ifluatex
+ \usepackage{luatexja-fontspec}
+ \setmainjfont[Mapping=tex-text]{WenQuanYi Micro Hei}
+ \setsansjfont[Mapping=tex-text]{WenQuanYi Micro Hei}