这是我的主要驱动文件：
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{setspace}\doublespacing
\usepackage{multirow}
\usepackage{fancyvrb}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage[font=small,labelfont=bf]{caption}
\usepackage[a4paper,margin=1in]{geometry}
\usepackage{wrapfig}
\usepackage{subcaption}
\usepackage{caption}
\usepackage{placeins}
\setlength{\parskip}{1em}
\setlength{\parindent}{0em}
\usepackage{fancyhdr}
\pagestyle{fancy}
{\fontfamily{lmr}\selectfont
\title{Predicting the future behaviour of SARS-CoV-2 in Ethiopia and Australia using a deterministic SEIRDV model}}
\author{Subject: Biology \\ Word count: 3980}
\date{September 5 2022}
\begin{document}
\maketitle
\include{Abstract}
\thispagestyle{plain}
\tableofcontents
\include{Introduction}
\include{Methodology}
\include{Raw data}
\include{Processed data}
\include{limitations}
\include{Appendix}
\include{References}
\end{document}
这是我的方法代码
\thispagestyle{plain}
{\fontfamily{lmr}\selectfont
\section{Methodology}
\subsection{Overview of SEIRDV model}
\begin{doublespace}