<filename>660.tex
\documentclass[zihao=5]{ctexbook}
\input{src/setting.tex}
\begin{document}
\frontmatter
\maketitle
\tableofcontents
\mainmatter
\part{基础过关\texorpdfstring{\\}{}1 阶}
\input{src/chap1.tex}
\end{document}