Today,I want to make the sections Append A,B,C in the table of content.However,I don't know how to do.
\documentclass[a4paper,cs4size,UTF8]{ctexart}
\usepackage{amsmath}
\usepackage{mathtools}
\usepackage{amssymb}
\usepackage{times}
\usepackage{fancyhdr}
\usepackage[colorlinks,linkcolor=blue,anchorcolor=blue,citecolor=red,unicode]{hyperref}
\usepackage{lastpage}
\usepackage{pdfpages}
\pagestyle{fancy}
\setlength{\headheight}{14.5pt}
\fancyhf{}
\fancyhead[c]{常州大学本科生毕业论文}
\fancyfoot[c]{第 \thepage 页,共\pageref*{LastPage}页}
\begin{document}
\begin{titlepage}
\tableofcontents
\end{titlepage}
\section{Introduction}
\subsection{引言}
babababababababbabababbabababbabababababbbaababbabababab
\newpage
\section*{Append A}
\newpage
\section*{Append B}
\newpage
\section*{Append C}
\end{document}