我的文件使用\documentclass[runningheads,a4paper]{llncs}这个模板的时候，运行没有报错但是无法生成pdf，请问是怎么回事？ \documentclass[runningheads,a4paper]{llncs} \usepackage{amssymb} \usepackage{amsmath} %\usepackage{cite} \usepackage{enumerate} \usepackage{proof} \usepackage{stmaryrd} \usepackage{turnstile} \usepackage{bussproofs} \usepackage{multirow} \usepackage{fancyhdr} \usepackage{graphicx} \usepackage{stmaryrd} \usepackage{endnotes} \usepackage[color,matrix,arrow]{xy} \usepackage{wrapfig} \usepackage{bussproofs} \usepackage{enumerate} \usepackage{mathrsfs} \usepackage{amscd} \usepackage{textcomp} \usepackage{stmaryrd} \usepackage{everysel} \usepackage{dsfont} \usepackage{mathtools} \usepackage{bussproofs} \usepackage{proof} \usepackage{textcomp} \usepackage{amssymb} \usepackage{amsmath,mathrsfs} \usepackage{graphicx} \usepackage{type1cm} \usepackage{times} \usepackage[marginal]{footmisc} \begin{document} \mainmatter % start of an individual contribution % first the title is needed \title{\large gg} % a short form should be given in case it is too long for the running head \titlerunning{ggg} % the name(s) of the author(s) follow(s) next % % NB: Chinese authors should write their first names(s) in front of % their surnames. This ensures that the names appear correctly in % the running heads and the author index. % \author{LL\inst{1}% \thanks{The.} %\thanks{Mad thanks} \and LZ\inst{2,1} \thanks{corresponding author}} % \authorrunning{Lin, Lin} % (feature abused for this document to repeat the title also on left hand pages) % the affiliations are given next; don't give your e-mail address % unless you accept that it will be published \institute{China\\ \email{gmail.com} \and China\\ \email{@gmail.com}} % % NB: a more complex sample for affiliations and the mapping to the % corresponding authors can be found in the file "llncs.dem" % (search for the string "\mainmatter" where a contribution starts). % "llncs.dem" accompanies the document class "llncs.cls". % %\toctitle{Lecture Notes in Computer Science} %\tocauthor{Authors' Instructions} \maketitle \renewcommand{\phi}{\varphi} \newcommand{\mf}{\mathfrak} \newcommand{\msf}{\mathsf} \newcommand{\mbf}{\mathbf} \newcommand{\mbb}{\mathbb} \newcommand{\mrm}{\mathrm} \newcommand{\bu}{\bullet} \newcommand{\mc}{\mathcal} \newcommand{\hra}{\hookrightarrow} \newcommand{\la}{\langle} \newcommand{\ra}{\rangle} \newcommand{\imp}{\rightarrow} \newcommand{\bimp}{\leftrightarrow} \newcommand{\Imp}{\Rightarrow} \newcommand{\bd}{\blacklozenge} \newcommand{\bb}{\blacksquare} \newcommand{\sub}{\subseteq} \newcommand{\p}{\prime} \newcommand{\ol}{\overline} \newcommand{\ul}{\underline} \newcommand{\w}{\widehat} \newcommand{\ve}{\varnothing} \newcommand{\D}{\Diamond} \newcommand{\B}{\Box} \newcommand{\ua}{\uparrow} \newcommand{\dr}{\downarrow} \newcommand{\wdg}{\wedge} \newcommand{\vph}{\varphi} \newcommand{\md}{\models} \newcommand{\mdp}{\models ^+} \newcommand{\mdn}{\models ^-} \newcommand{\bl}{\blacklozenge} \newcommand{\bs}{\blacksquare} %%%%正文部分 \begin{abstract} In this paper we consider a \end{abstract} \section{Introduction} The tense operators were first introduced to classical propositional logic in Burges \cite{Burgess1984}, which yields the basic classical tense logic. Ewald \section{GG} As we will see, in this paper we propose a new candidate. \begin{theorem} For any sequent system $\mrm{G}$ where $\mrm{G}\in \mrm{EXT1}(\mrm{GwIK.t})$, $\mrm{G}$ admits cut elimination. \end{theorem} \bibliographystyle{splncs04} \bibliography{LORI4} \end{document} 运行结果：