\documentclass[letterpaper,10pt]{article}
\usepackage{latexsym}
\usepackage[empty]{fullpage}
\usepackage{titlesec}
\usepackage{marvosym}
\usepackage[usenames,dvipsnames]{color}
\usepackage{verbatim}
\usepackage{enumitem}
\usepackage[pdftex, hidelinks]{hyperref}
\usepackage{fancyhdr}
\usepackage{ragged2e}
\usepackage[charter]{mathdesign}
% Bitstream Charter
% \usepackage{newpxtext,newpxmath} % Palatino
\pagestyle{fancy}
\fancyhf{} % clear all header and footer fields
\fancyfoot{}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}
% Adjust margins
%for printing \addtolength{\oddsidemargin}{-7.7mm}
%for pdf \addtolength{\oddsidemargin}{-12.7mm}
\addtolength{\oddsidemargin}{-12.7mm}
\addtolength{\evensidemargin}{-12.7mm}
\addtolength{\textwidth}{1in}
\addtolength{\topmargin}{-.6in}
\addtolength{\textheight}{1.0in}
%\marginparwidth=1pt
\urlstyle{same}
\raggedbottom
\raggedright
\setlength{\tabcolsep}{0in}
% Sections formatting
\titleformat{\section}{
\vspace{-6pt}\scshape\raggedright\large
}{}{0em}{}[\color{black}\titlerule \vspace{-5pt}]
%-------------------------
% Custom commands
\newcommand{\resumeItem}[2]{
\item\small{
\textbf{#1}{: #2 \vspace{-2pt}}
}
}
\newcommand{\resumeItemNoBullet}[2]{
\item[]\small{
\hspace{-9pt}\textbf{#1}{: #2 \vspace{-6pt}}
}
}
\newcommand{\resumeSubheading}[4]{
\vspace{-1pt}\item[]
\begin{tabular*}{0.98\textwidth}{l@{\extracolsep{\fill}}r}
\hspace{-10pt}\textbf{#1} & #2 \\
\hspace{-10pt}\text{\small#3} & \text{\small #4} \\
\end{tabular*}\vspace{-5pt}
}
\newcommand{\resumenewSubheading}[6]{
\vspace{-1pt}\item[]
\begin{tabular*}{0.98\textwidth}{l@{\extracolsep{\fill}}r}
\hspace{-10pt}\textbf{#1} & #2 \\
\hspace{-10pt}\text{\small#3} & \text{\small #4} \\
\hspace{-10pt}\text{\small#5} & \text{\small #6} \\
\end{tabular*}\vspace{-5pt}
}
\newcommand{\resumeSubItem}[2]{\resumeItem{#1}{#2}\vspace{-4pt}}
\renewcommand{\labelitemii}{$\circ$}
\newcommand{\resumeSubHeadingListStart}{\begin{itemize}[leftmargin=*]}
\newcommand{\resumeSubHeadingListEnd}{\end{itemize}}
\newcommand{\resumeItemListStart}{\begin{itemize}}
\newcommand{\resumeItemListEnd}{\end{itemize}\vspace{-5pt}}
% custom commands
\newcommand{\shorterSection}[1]{\vspace{-10pt}\section{#1}}
%----------Summary------------------------------
\begin{document}
\vspace{3mm}
\shorterSection{\textbf{Summary}}
\vspace{0.5mm}
I am a --------- there.
\end{document}
答案1
\titlerule从......中去除
\titleformat{\section}{
\vspace{-6pt}\scshape\raggedright\large
}{}{0em}{}[\color{black}\titlerule \vspace{-5pt}]