![环境问题](https://linux22.com/image/431751/%E7%8E%AF%E5%A2%83%E9%97%AE%E9%A2%98.png)
\documentclass[12pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage
[
a4paper,% other options: a3paper, a5paper, etc
left=2.54cm,
right=2.54cm,
top=2.54cm,
bottom=2.54cm,
% use vmargin=2cm to make vertical margins equal to 2cm.
% us hmargin=3cm to make horizontal margins equal to 3cm.
% use margin=3cm to make all margins equal to 3cm.
]
{geometry}
\usepackage[utf8]{inputenc}
\usepackage{algorithmic}
%% Useful packages
\usepackage{amsmath,amsthm,amssymb,amsfonts}
\usepackage{graphicx}
\usepackage{subfigure}
%\usepackage[colorinlistoftodos]{todonotes}
\usepackage[colorlinks=true, allcolors=blue]{hyperref}
\usepackage{float}
\usepackage[title]{appendix}
\usepackage{multirow}
\usepackage{pgfgantt}
\usepackage{setspace}
\usepackage{tikz}
\usetikzlibrary{shapes.geometric, arrows}
\usepackage{makecell}
\usepackage{booktabs}
\usepackage{caption}
\renewcommand{\familydefault}{\sfdefault}
\usepackage[square,numbers]{natbib}
\bibliographystyle{agsm} %harvard referencing style
\usepackage[none]{hyphenat}
\title{\vspace{-2cm} Simulation Project Report}
\author{\textbf{Authors: Jing Ting Chong, Ishaan Singh Jolly}}
\date{}
\begin{document}
Environment Problem
\end{document}
我的环境似乎存在一些问题,我不太明白为什么以及我的 latex 发生了什么。我认为我的字体有问题,我无法使用这个将字体大小设置为我的部分和子部分 --
\titleformat{\section}
{\normalfont\fontsize{12}{15}\bfseries}{\thesection}{1em}{}
\titleformat{\subsection}
{\normalfont\fontsize{12}{15}\bfseries}{\thesubsection}{1em}{}