[Latex] beamer 하단 편집하는법!

\documentclass{beamer}

\usetheme{CambridgeUS}


\title{Title of your presfentation}
\author{Your name}
\institute{Your affiliation}
\date{date of presentation}


\makeatletter
\setbeamertemplate{footline}
{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.40\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%

  \begin{beamercolorbox}[wd=.25\paperwidth,ht=2.25ex,dp=1ex,center]{date in head/foot}%
    \usebeamerfont{date in head/foot}\insertshortdate
  \end{beamercolorbox}%

  \begin{beamercolorbox}[wd=.25\paperwidth,ht=2.25ex,dp=1ex,center]{institute in head/foot}%
    \usebeamerfont{institute in head/foot}\insertshortauthor
  \end{beamercolorbox}}%
   \begin{beamercolorbox}[wd=.10\paperwidth,ht=2.25ex,dp=1ex,center]{date in head/foot}
   \usebeamerfont{date in head/foot}\insertframenumber
   \end{beamercolorbox}
}
\makeatother

\setbeamertemplate{navigation symbols}{}
\setbeamercolor{block title}{fg=white,bg=red!60!black}


\begin{document}

\begin{frame}
  \titlepage
\end{frame}

\end{document}
뜨는것 ; 발표제목, 날짜, 이름(소속), 프레임번호