我需要一份居中且边距为 1 英寸的文档。目前，文档打印时会左对齐。这是我使用的代码：
\documentclass[a4 paper,11pt]{article}
%\usepackage[inner=2.5cm,outer=2.5cm, bottom=2.5cm,showframe]{geometry}
\usepackage[margin=1in,includeheadfoot,showframe]{geometry}
%\usepackage[a4paper,margin=1in,showframe]{geometry}
\usepackage{fancyhdr}
\usepackage[round]{natbib}
\usepackage{longtable}
\usepackage[table]{xcolor}
\usepackage{linguex}
\usepackage[doublespacing]{setspace}
\usepackage{graphicx}
\usepackage{tikz-qtree}
\usepackage{tikz-qtree-compat}
\usetikzlibrary{fit}
\usepackage{soul}
\usepackage{linguex}
\usepackage{lipsum}
\usepackage{tikz}
\newcommand*\circled[1]{\tikz[baseline=(char.base)]{
\node[shape=circle,draw,inner sep=2pt] (char) {#1};}}
\newcommand\encircle[1]{%
\tikz[baseline=(X.base)]
\node (X) [draw,dashed, shape=circle, inner sep=0] {\strut #1};}
\usepackage{ulem}
\usepackage{pifont}% http://ctan.org/pkg/pifont
\newcommand{\cmark}{\ding{51}}%
\newcommand{\xmark}{\ding{55}}%
\usepackage{multicol}
\textwidth=15cm \hoffset=-1.2cm %
\textheight=25cm \voffset=-2cm %
\pagestyle{empty} %
\date{} %
\def\keywords#1{\begin{center}{\bf Keywords}\\{#1}\end{center}} %
% Please, do not change any of the above lines
\pagestyle{fancy}
\fancyhf{}
\rhead{Proposed Plan for Completing the Dissertation}
\lhead{}
\rfoot{\thepage}
\begin{document}
\end{document}
谢谢你！
以下是打印文本的图像：
