chinese.tex

\documentclass[
  lang = zh,
  noto,
  sfdefault,
]{iarticle}
\usepackage{zhlipsum}

\class{班级}
\course{课程名}
\email{email@example.com}
\id{id-xxxxxxxxxx}
\name{姓名}
\title{标题}

\begin{document}

\maketitle

\tableofcontents

\section{小节标题}

\zhlipsum[1]

\appendix

\section{附录标题}

\zhlipsum[2]

\end{document}