%%勿更改這裡個區塊，這裡是定義\advisor這指令，並會插入到title page裡，所以請到下方的封面設定那區塊修改
\makeatletter
\newcommand{\advisor}{\@dblarg\beamer@advisor}
\long\def\beamer@advisor[#1]#2{%
  \def\insertadvisor{#2}%
  \def\beamer@shortadvisor{#1}%
  }
\advisor{}
\setbeamertemplate{title page}
{
  \vbox{}
  \vfill
  \begin{centering}
    \begin{beamercolorbox}[sep=8pt,center]{title}
      \usebeamerfont{title}\inserttitle\par%
      \ifx\insertsubtitle\@empty%
      \else%
        \vskip0.25em%
        {\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle\par}%
      \fi%
    \end{beamercolorbox}%
    \vskip1em\par
    \begin{beamercolorbox}[sep=8pt,center]{author}
      \usebeamerfont{author}\insertauthor
    \end{beamercolorbox}\vskip1em
    \begin{beamercolorbox}[sep=8pt,center]{advisor}
      \usebeamerfont{institute}{Advisor: \insertadvisor}
    \end{beamercolorbox}
    \begin{beamercolorbox}[sep=8pt,center]{institute}
      \usebeamerfont{institute}\insertinstitute
    \end{beamercolorbox}
    \begin{beamercolorbox}[sep=8pt,center]{date}
      \usebeamerfont{date}\insertdate
    \end{beamercolorbox}\vskip0.5em
    {\usebeamercolor[fg]{titlegraphic}\inserttitlegraphic\par}
  \end{centering}
  \vfill
}
\makeatother
%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%封面設定%%%%%%%%%%%%%%%%%%%%%%%%%%%

\title[\thetitleEN]{\thetitleEN}%論文名稱，若要換中文就改成 \thetitleCH 。假如要中英文標題都顯示就輸入\thetitleCH\\ \thetitleEN
\author[\theauthorEN]{\theauthorEN}%名字，若要換中文就改成「 \theauthorCH 」
\advisor{\theadvisorADE\ \theadvisorAEN \par
		% 判斷是否有共同指導的教授 B
		\ifx \theadvisorBEN  \itsempty
		\relax % 沒有 B 教授，所以不佔版面，不印任何空白
		\else
		% 共同指導的教授 B
		\hspace{6.03em}{\theadvisorBDE\ \theadvisorBEN}  %顯示指導教授B中文名
		\hfill \\
		\fi
		%
}%指導教授
\institute[\theinstituteEN]{\theinstituteEN\\ 
  \theuniversityEN}%系所\theinstituteEN；校名\theuniversityEN。若要換中文就分別改成「\theinstituteCH 」、「 \theuniversityCH 」

\date{\themonthEN\ \thedateCH , \theyearEN}%{month day, year}口試日期
%\date[\tdtime]{\today}%日期自動
%\date[\initclock \hhmmss\tdtime]{\today}
%假如想要顯示時間，可以加上\initclock 這指令，也就是\date[ \initclock \tdtime]{\today}，但最好還是不要，以免電腦lag。