\documentclass[12pt]{article}
\input{lesson_paper_config.tex} % 导入配置文件
\newcommand\titleofdoc{广 州 大 学 研 究 生 课 程 论 文} % 文档标题
\newcommand\GroupName{} % 小组名
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhf{}
\fancyhead[C]{\small 广州大学}
\setcounter{section}{0}
% 正文
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\begin{document}
\begin{sloppypar} % 两端对齐命令
% \input{sections/cover.tex} % 封面文件
\input{sections/标题摘要.tex} % 标题及摘要文件
\vspace{0.5cm} % 分隔 0.5cm
\section{引言} % 第一个section的标题（一般为引言，此处不分栏，因为根据 word 模板来看，这一行似乎是单独的，但是内容又是要分栏的，所以把第一个section的标题和内容分开了）
\begin{multicols*}{2} % 正文开始分栏
\input{sections/sec1.tex} % 第一个section的内容，接上面的标题
\input{sections/sec2.tex} % 第二个section（标题加内容）
\input{sections/sec3.tex} %
% ...后续section
% 参考文献
% \bibliographystyle{plain} % 参考文献的格式
\vspace{0.5cm}
\nocite{*}
\bibliography{sections/refs.bib} % 参考文献bib文件
\end{multicols*}
\end{sloppypar}
\end{document}
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