\documentclass[CJK,GBK,UTF8,12pt,oneside,a4paper]{ctexbook}
%----------------------------------------packages and format-----------------
%\input{setup/package.tex}
\usepackage{xtuformat}
\graphicspath{{figures/}}

\begin{document}
%----------------------------------------cover-------------------------------
\include{preface/cover}
% 从摘要开始用罗马数字编号
\newpage
\pagestyle{plain}
\pagenumbering{Roman}
\include{preface/abstract}
%----------------------------------------table content-----------------------
\newpage
\tableofcontents
%----------------------------------------body--------------------------------
\songti\zihao{-4}
% 从第一章开始用阿拉伯数字编号
\newpage
\pagenumbering{arabic}
\include{body/introduction}
\include{body/thesisformat}
\include{body/bibliography}
\include{body/expression}
\include{body/elements}
%----------------------------------------reference---------------------------
\include{reference/references}
%----------------------------------------thanks------------------------------
\include{body/thank}
\include{body/aboutme}
\end{document}