thubeamer (16nov21)

git-svn-id: svn://tug.org/texlive/trunk@61071 c570f23f-e606-0410-a88d-b1316a301751

13 files changed, 286 insertions, 18 deletions

diff --git a/Master/texmf-dist/doc/latex/thubeamer/README.md b/Master/texmf-dist/doc/latex/thubeamer/README.md
index 99ac44a9bd3..989c037b667 100644
--- a/Master/texmf-dist/doc/latex/thubeamer/README.md
+++ b/Master/texmf-dist/doc/latex/thubeamer/README.md
@@ -5,18 +5,26 @@
 
 # thubeamer：清华大学 Beamer 模板
 
+![CTAN Version](https://img.shields.io/ctan/v/thubeamer.svg)
+![GitHub Version](https://img.shields.io/github/release/YangLaTeX/thubeamer.svg)
+![Repo Size](https://img.shields.io/github/repo-size/YangLaTeX/thubeamer.svg)
+![License](https://img.shields.io/ctan/l/thubeamer.svg)
+
 [GitHub](https://github.com/YangLaTeX/thubeamer) | [Download](https://github.com/YangLaTeX/thubeamer/releases) | [Wiki](https://github.com/YangLaTeX/thubeamer/wiki) | [CTAN](https://www.ctan.org/pkg/thubeamer)
 
 # Introduction to thubeamer
 
-**thubeamer** is a **beamer theme** designed for Tsinghua University (THU). Current version is 1.0.0, updated on 2021/07/07.
+**thubeamer** is a **beamer theme** designed for Tsinghua University (THU). Current version is 1.1.0, updated on 2021/11/15.
 
 ```latex
   |- figures
     |- thulogo.pdf
   |- macros.tex
+  |- main-en.tex
+  |- main-en.pdf
   |- main.tex
   |- main.pdf
+  |- makebeamer-en.bat
   |- makebeamer.bat
   |- makeclean.bat
   |- makecleanall.bat
@@ -31,7 +39,7 @@
 
 # thubeamer 简介
 
-thubeamer 是清华大学风格 Beamer 模板，当前版本1.0.0，更新于2021年07月07日。
+thubeamer 是清华大学风格 Beamer 模板，当前版本1.1.0，更新于2021年11月15日。
 
 # Documentation
 
@@ -82,6 +90,7 @@ To use Makefile, you should have GNU `make` tool installed.
 ```bash
 make doc       # compile documentation (required before compiling the beamer)
 make beamer    # compile beamer
+make beamer-en # compile beamer prepared in English
 make clean     # clean auxiliary files
 make cleanall  # clean auxiliary files and style files
 ```
@@ -93,6 +102,7 @@ make cleanall  # clean auxiliary files and style files
 ```bash
 make doc       # 编译说明文档（在编译 beamer之前必须编译说明文档）
 make beamer    # 编译 beamer
+make beamer-en # 编译英文 beamer
 make clean     # 清除辅助文件
 make cleanall  # 清除辅助文件与样式文件
 ```
@@ -104,6 +114,7 @@ make cleanall  # 清除辅助文件与样式文件
 ```bash
 makedoc       # compile documentation (required before compiling the beamer)
 makebeamer    # compile beamer
+makebeamer-en # compile beamer prepared in English
 makeclean     # clean auxiliary files
 makecleanall  # clean auxiliary files and style files
 ```
@@ -115,6 +126,7 @@ makecleanall  # clean auxiliary files and style files
 ```bash
 makedoc       # 编译说明文档（在编译 beamer之前必须编译说明文档）
 makebeamer    # 编译 beamer
+makebeamer-en # 编译英文 beamer
 makeclean     # 清除辅助文件
 makecleanall  # 清除辅助文件与样式文件
 ```
diff --git a/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example-en.pdf b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example-en.pdf
new file mode 100644
index 00000000000..7d732e7a5a0
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example-en.pdf
diff --git a/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example-en.tex b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example-en.tex
new file mode 100644
index 00000000000..cd437ff9c32
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example-en.tex
@@ -0,0 +1,222 @@
+%%=======================================================================
+% !Mode:: "TeX:UTF-8"
+% !TEX program  = PdfLaTeX
+%%=======================================================================
+% 模板名称：thubeamer
+% 模板版本：V1.1.0
+% 模板作者：杨敬轩（Jingxuan Yang）
+% 联系作者：yangjx20@mails.tsinghua.edu.cn & yanglatex2e@gmail.com
+% 模板适用：清华大学风格 Beamer 模板
+% 模板编译：手动编译方法参看 README.md 或 thubeamer.pdf
+%          编译 beamer 之前必须编译说明文档：make doc 或双击 makedoc.bat
+%          编译说明文档同时分离出四个样式文件 *thubeamer.sty
+%          GNU make 工具：make beamer
+%          Windows 批处理脚本：双击 makebeamer.bat 自动编译 beamer
+%          更多编译细节详见说明文档：thubeamer.pdf
+% 更新时间：2021/11/15
+% 模板帮助：请**务必务必务必**阅读 thubeamer.pdf 说明文档，文档查看方法：
+%          下载模板文件夹里就有，如果是从 CTAN 上安装更新本模板，则通过
+%          cmd 命令行：texdoc thubeamer 查看文档
+%          推荐前往模板的 GitHub 仓库获取最新文件，地址：
+%          https://github.com/YangLaTeX/thubeamer
+%%=======================================================================
+
+% 设置文档类别为 <beamer>
+% \documentclass[aspectratio=169]{beamer} % 设置长宽比为 16:9
+\documentclass{beamer}
+
+% 使用 <thubeamer> 主题
+\usetheme[en]{thubeamer}
+
+% 模板选项如下
+% (a.1) smoothbars: 页面顶端单行显示目录，默认选项
+% (a.2) sidebar: 页面左侧分栏显示目录
+% \usetheme[sidebar]{thubeamer}
+
+% (b) sectiontoc: 在每节（section）前显示目录，并高亮显示当前节，默认不显示
+
+% (c) subsectiontoc: 在每小节（subsection）前显示目录，并高亮显示当前节和当前小节，默认不显示
+
+% (d) en: 仅使用英文来制作 beamer，应用此选项后，汉字将全部无法编译
+
+% 图片存放路径
+\graphicspath{{figures/}}
+
+\include{macros}
+
+% 封面信息，方括号内容是显示在左侧边栏的内容（当选择 sidebar 主题时有效）
+\title[Title]{Title\\[2mm] Presentation}
+\author[Jingxuan Yang]{Student: Jingxuan Yang\\[5mm] Supervisor: Prof. XX}
+\institute[Tsinghua University]{\small Tsinghua University}
+\date{\small \vskip -10pt \today}
+
+% 开始写文章
+\begin{document}
+
+% 标题页
+\begin{frame}
+	\maketitle
+\end{frame}
+
+% 目录页
+\section*{Contents}
+\frame{
+  \frametitle{\secname}
+  \tableofcontents[hideallsubsections]
+}
+
+\section{Research Contents}
+
+\subsection{Research Contents of This Project}
+
+\begin{frame}{Research Contents of This Project}
+  \begin{figure}
+    \includegraphics[width=0.4\linewidth]{thulogo}
+    \caption{Research Contents of This Project}
+  \end{figure}
+\end{frame}
+
+\subsection{Research progress}
+
+\begin{frame}{Research progress}
+  \begin{figure}
+    \includegraphics[width=0.4\linewidth]{thulogo}
+    \caption{Research progress}
+  \end{figure}
+\end{frame}
+
+\section{Results}
+
+\begin{frame}{Results}
+  \begin{block}{Results}
+    \begin{itemize}
+      \setlength{\itemsep}{6pt}
+      \item XXXX
+      \item XXXX
+      \item XXXX
+      \item XXXX
+      \item XXXX
+      \item XXXX
+    \end{itemize}
+  \end{block}
+\end{frame}
+
+\subsection{Case 1}
+
+\begin{frame}{Case 1}
+  \begin{block}{Unnumbered equation}
+    Example of unnumbered equation:
+    $$
+      k:[-\pi,\pi] \rightarrow [0,1]
+    $$
+  \end{block}
+\end{frame}
+
+\subsection{Case 2}
+
+\begin{frame}{Case 2}
+  \begin{block}{numbered equation}
+    \begin{itemize}
+      \item Example of numbered equation: the input is an image
+      \begin{equation}
+        \vx\in\reals^{C_{\text{in}}\times H\times W}
+      \end{equation}
+      where $C_{\text{in}}$ represents number of input channels, $H$ is the height of image, and $W$ is the width of image.
+    \end{itemize}
+  \end{block}
+\end{frame}
+
+\subsection{Case 3}
+
+\begin{frame}{Case 3}
+  \begin{block}{Table}
+    Example of tables, shown in \ref{tab:unique_values}. 
+
+    \begin{table}[htbp]
+      \small
+      \centering
+      \caption{Unique elements in train.csv }
+      \label{tab:unique_values}
+      \begin{tabular}{lc}
+        \toprule
+        column & \# unique values \\
+        \midrule
+        posting\_id & 34250 \\
+        image & 32412 \\
+        image\_phash & 28735 \\
+        title & 33117 \\
+        label\_group & 11014 \\
+        \bottomrule
+      \end{tabular}
+    \end{table}
+  \end{block}
+\end{frame}
+
+\subsection{Case 4}
+
+\begin{frame}{Case 4}
+  \begin{block}{Parallel figures}
+    Example of parallel figures.
+  \end{block}
+  \begin{figure}[htbp]
+    \centering
+    \begin{minipage}[t]{0.48\textwidth}
+      \centering
+      \includegraphics[width=3cm]{thulogo.pdf}
+      \caption{Example figure 1}
+      \label{fig:left_side}
+    \end{minipage}
+    \begin{minipage}[t]{0.48\textwidth}
+      \centering
+      \includegraphics[width=3cm]{thulogo.pdf}
+      \caption{Example figure 2}
+      \label{fig:right_side}
+    \end{minipage}
+  \end{figure}
+\end{frame}
+
+\section{Future Work}
+
+\subsection{Future Work}
+
+\begin{frame}{Future work}
+  \begin{block}{Future work}
+    \begin{itemize}
+      \setlength{\itemsep}{6pt}
+      \item XXXX
+      \item XXXX
+      \item XXXX
+      \item XXXX
+    \end{itemize}
+  \end{block}
+\end{frame}
+
+\subsection{Scheduling}
+
+\begin{frame}{Scheduling}
+  \begin{block}{Scheduling}
+    \begin{itemize}
+      \setlength{\itemsep}{6pt}
+      \item XXXX\cite{webster2010}
+      \item XXXX\cite{jones2006}
+      \item XXXX\cite{mcmahan2005}
+      \item XXXX\cite{Gravagne2003}
+    \end{itemize}
+  \end{block}
+\end{frame}
+
+\begin{frame}[allowframebreaks]{Bibliography}
+  \bibliographystyle{thubeamer}
+  \bibliography{reference}
+\end{frame}
+
+\begin{frame}
+	\begin{center}
+    {\Huge\calligra Thanks for your attention!}
+    \vspace{1cm}
+
+    {\Huge Q \& A}
+  \end{center}
+\end{frame}
+
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.pdf b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.pdf
index ff2c2d75a6f..3682907ee39 100644
--- a/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.pdf
+++ b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.pdf
diff --git a/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.tex b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.tex
index 2d856187b98..1da65479c92 100644
--- a/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.tex
+++ b/Master/texmf-dist/doc/latex/thubeamer/thubeamer-example.tex
@@ -3,7 +3,7 @@
 % !TEX program  = PdfLaTeX
 %%=======================================================================
 % 模板名称：thubeamer
-% 模板版本：V1.0.0
+% 模板版本：V1.1.0
 % 模板作者：杨敬轩（Jingxuan Yang）
 % 联系作者：yangjx20@mails.tsinghua.edu.cn & yanglatex2e@gmail.com
 % 模板适用：清华大学风格 Beamer 模板
@@ -13,7 +13,7 @@
 %          GNU make 工具：make beamer
 %          Windows 批处理脚本：双击 makebeamer.bat 自动编译 beamer
 %          更多编译细节详见说明文档：thubeamer.pdf
-% 更新时间：2021/07/07
+% 更新时间：2021/11/15
 % 模板帮助：请**务必务必务必**阅读 thubeamer.pdf 说明文档，文档查看方法：
 %          下载模板文件夹里就有，如果是从 CTAN 上安装更新本模板，则通过
 %          cmd 命令行：texdoc thubeamer 查看文档
@@ -37,6 +37,8 @@
 
 % (c) subsectiontoc: 在每小节（subsection）前显示目录，并高亮显示当前节和当前小节，默认不显示
 
+% (d) en: 仅使用英文来制作 beamer，应用此选项后，汉字将全部无法编译
+
 % 图片存放路径
 \graphicspath{{figures/}}
 
diff --git a/Master/texmf-dist/doc/latex/thubeamer/thubeamer.pdf b/Master/texmf-dist/doc/latex/thubeamer/thubeamer.pdf
index 0cda53aa816..6af72271369 100644
--- a/Master/texmf-dist/doc/latex/thubeamer/thubeamer.pdf
+++ b/Master/texmf-dist/doc/latex/thubeamer/thubeamer.pdf
diff --git a/Master/texmf-dist/source/latex/thubeamer/Makefile b/Master/texmf-dist/source/latex/thubeamer/Makefile
index 28ec55e5e5a..1afaa07717d 100644
--- a/Master/texmf-dist/source/latex/thubeamer/Makefile
+++ b/Master/texmf-dist/source/latex/thubeamer/Makefile
@@ -4,15 +4,21 @@ beamer:
 	pdflatex -synctex=1 -interaction=nonstopmode main
 	pdflatex -synctex=1 -interaction=nonstopmode main
 
+beamer-en:
+	pdflatex -synctex=1 -interaction=nonstopmode main-en
+	bibtex main-en
+	pdflatex -synctex=1 -interaction=nonstopmode main-en
+	pdflatex -synctex=1 -interaction=nonstopmode main-en
+
 doc:
-	xelatex hitszbeamer.dtx
-	makeindex -s gind.ist -o hitszbeamer.ind hitszbeamer.idx
-	makeindex -s gglo.ist -o hitszbeamer.gls hitszbeamer.glo
-	xelatex hitszbeamer.dtx
-	xelatex hitszbeamer.dtx
+	xelatex thubeamer.dtx
+	makeindex -s gind.ist -o thubeamer.ind thubeamer.idx
+	makeindex -s gglo.ist -o thubeamer.gls thubeamer.glo
+	xelatex thubeamer.dtx
+	xelatex thubeamer.dtx
 
 clean:
 	rm -f *.toc *.bbl *.blg *.out *.aux *.log *.bak *.thm *.synctex.gz *.fdb_latexmk *.fls *.glo *.gls *.idx *.ilg *.ind *.nav *.snm *.hd
 
 cleanall:
-	rm -f *.toc *.bbl *.blg *.out *.aux *.log *.bak *.thm *.synctex.gz *.fdb_latexmk *.fls *.glo *.gls *.idx *.ilg *.ind *.nav *.snm *.hd *.sty *.ins
\ No newline at end of file
+	rm -f *.toc *.bbl *.blg *.out *.aux *.log *.bak *.thm *.synctex.gz *.fdb_latexmk *.fls *.glo *.gls *.idx *.ilg *.ind *.nav *.snm *.hd *.sty *.ins
diff --git a/Master/texmf-dist/source/latex/thubeamer/makebeamer-en.bat b/Master/texmf-dist/source/latex/thubeamer/makebeamer-en.bat
new file mode 100755
index 00000000000..e76f5e12aba
--- /dev/null
+++ b/Master/texmf-dist/source/latex/thubeamer/makebeamer-en.bat
@@ -0,0 +1,5 @@
+latexmk -c main-en

+pdflatex -synctex=1 -interaction=nonstopmode main-en

+bibtex main-en

+pdflatex -synctex=1 -interaction=nonstopmode main-en

+pdflatex -synctex=1 -interaction=nonstopmode main-en
\ No newline at end of file
diff --git a/Master/texmf-dist/source/latex/thubeamer/thubeamer.dtx b/Master/texmf-dist/source/latex/thubeamer/thubeamer.dtx
index 8cbdd0c5052..7ae1a2d3db5 100644
--- a/Master/texmf-dist/source/latex/thubeamer/thubeamer.dtx
+++ b/Master/texmf-dist/source/latex/thubeamer/thubeamer.dtx
@@ -108,10 +108,10 @@ This package consists of the file  thubeamer.dtx,
 %<thucolorstyle>\ProvidesPackage{beamercolorthemethubeamer}
 %<thuinnerstyle>\ProvidesPackage{beamerinnerthemethubeamer}
 %<thuouterstyle>\ProvidesPackage{beamerouterthemethubeamer}
-%<thubeamer|thucolorstyle|thuinnerstyle|thuouterstyle>[2021/07/07 v1.0.0 A Beamer Theme for Tsinghua University (THU)]
+%<thubeamer|thucolorstyle|thuinnerstyle|thuouterstyle>[2021/11/15 v1.1.0 A Beamer Theme for Tsinghua University (THU)]
 %
 %<*driver>
-\ProvidesFile{thubeamer.dtx}[2021/07/07 v1.0.0 A Beamer Theme for Tsinghua University (THU)]
+\ProvidesFile{thubeamer.dtx}[2021/11/15 v1.1.0 A Beamer Theme for Tsinghua University (THU)]
 \documentclass{ltxdoc}
 \usepackage{dtx-style}
 
@@ -335,7 +335,6 @@ This package consists of the file  thubeamer.dtx,
 \RequirePackage{multicol}
 \RequirePackage{multimedia}
 \RequirePackage{calc}
-\RequirePackage{ctex}
 \RequirePackage{amsmath}
 \RequirePackage{amsthm}
 \RequirePackage{amssymb}
@@ -380,6 +379,9 @@ This package consists of the file  thubeamer.dtx,
 \DeclareOptionBeamer{subsectiontoc}{
   \PassOptionsToPackage{subsectiontoc}{beamerinnerthemethubeamer}
 }
+\DeclareOptionBeamer{en}{
+  \PassOptionsToPackage{en}{beamerinnerthemethubeamer}
+}
 \ProcessOptionsBeamer
 %    \end{macrocode}
 %
@@ -490,11 +492,14 @@ This package consists of the file  thubeamer.dtx,
 %    \end{macrocode}
 %
 % 参数设置
+% \changes{v1.1.0}{2021/11/15}{add option `en' for preparing beamer in English}
 %    \begin{macrocode}
+\DeclareOptionBeamer{en}{\def\beamer@thulang{english}}
 \DeclareOptionBeamer{sectiontoc}{\def\beamer@thusectoc{sectiontoc}}
 \DeclareOptionBeamer{subsectiontoc}{\def\beamer@thusubsectoc{subsectiontoc}}
 \ProcessOptionsBeamer
 
+\def\beamer@thulanguage{english}
 \def\beamer@thusectiontoc{sectiontoc}
 \def\beamer@thusubsectiontoc{subsectiontoc}
 %    \end{macrocode}
@@ -503,6 +508,12 @@ This package consists of the file  thubeamer.dtx,
 %    \begin{macrocode}
 \mode<presentation>
 
+\ifx\beamer@thulang\beamer@thulanguage
+  \relax
+\else
+  \RequirePackage{ctex}
+\fi
+
 \useinnertheme{circles}
 % \usefonttheme{structurebold}
 \setbeamertemplate{caption}[numbered]{}
diff --git a/Master/texmf-dist/tex/latex/thubeamer/beamercolorthemethubeamer.sty b/Master/texmf-dist/tex/latex/thubeamer/beamercolorthemethubeamer.sty
index 3136c125d7e..e0750009476 100644
--- a/Master/texmf-dist/tex/latex/thubeamer/beamercolorthemethubeamer.sty
+++ b/Master/texmf-dist/tex/latex/thubeamer/beamercolorthemethubeamer.sty
@@ -26,7 +26,7 @@
 
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{beamercolorthemethubeamer}
-[2021/07/07 v1.0.0 A Beamer Theme for Tsinghua University (THU)]
+[2021/11/15 v1.1.0 A Beamer Theme for Tsinghua University (THU)]
 \DeclareOptionBeamer{thupurple}{\def\beamer@thucolor{thupurple}}
 \DeclareOptionBeamer{thupurple2}{\def\beamer@thucolor{thupurple2}}
 \DeclareOptionBeamer{smoothbars}{\def\beamer@thubar{smoothbars}}
diff --git a/Master/texmf-dist/tex/latex/thubeamer/beamerinnerthemethubeamer.sty b/Master/texmf-dist/tex/latex/thubeamer/beamerinnerthemethubeamer.sty
index 9be19c1f987..09c1caeb449 100644
--- a/Master/texmf-dist/tex/latex/thubeamer/beamerinnerthemethubeamer.sty
+++ b/Master/texmf-dist/tex/latex/thubeamer/beamerinnerthemethubeamer.sty
@@ -26,17 +26,25 @@
 
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{beamerinnerthemethubeamer}
-[2021/07/07 v1.0.0 A Beamer Theme for Tsinghua University (THU)]
+[2021/11/15 v1.1.0 A Beamer Theme for Tsinghua University (THU)]
 \RequirePackage{tikz}
 \usetikzlibrary{external}
+\DeclareOptionBeamer{en}{\def\beamer@thulang{english}}
 \DeclareOptionBeamer{sectiontoc}{\def\beamer@thusectoc{sectiontoc}}
 \DeclareOptionBeamer{subsectiontoc}{\def\beamer@thusubsectoc{subsectiontoc}}
 \ProcessOptionsBeamer
 
+\def\beamer@thulanguage{english}
 \def\beamer@thusectiontoc{sectiontoc}
 \def\beamer@thusubsectiontoc{subsectiontoc}
 \mode<presentation>
 
+\ifx\beamer@thulang\beamer@thulanguage
+  \relax
+\else
+  \RequirePackage{ctex}
+\fi
+
 \useinnertheme{circles}
 \setbeamertemplate{caption}[numbered]{}
 \useinnertheme[shadow]{rounded}
diff --git a/Master/texmf-dist/tex/latex/thubeamer/beamerouterthemethubeamer.sty b/Master/texmf-dist/tex/latex/thubeamer/beamerouterthemethubeamer.sty
index 8436a5b5b9f..8eede606fd4 100644
--- a/Master/texmf-dist/tex/latex/thubeamer/beamerouterthemethubeamer.sty
+++ b/Master/texmf-dist/tex/latex/thubeamer/beamerouterthemethubeamer.sty
@@ -26,7 +26,7 @@
 
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{beamerouterthemethubeamer}
-[2021/07/07 v1.0.0 A Beamer Theme for Tsinghua University (THU)]
+[2021/11/15 v1.1.0 A Beamer Theme for Tsinghua University (THU)]
 \DeclareOptionBeamer{smoothbars}{\def\beamer@thubar{smoothbars}}
 \DeclareOptionBeamer{sidebar}{\def\beamer@thubar{sidebar}}
 \ProcessOptionsBeamer
diff --git a/Master/texmf-dist/tex/latex/thubeamer/beamerthemethubeamer.sty b/Master/texmf-dist/tex/latex/thubeamer/beamerthemethubeamer.sty
index dc3b7fe94bd..21bfce4f399 100644
--- a/Master/texmf-dist/tex/latex/thubeamer/beamerthemethubeamer.sty
+++ b/Master/texmf-dist/tex/latex/thubeamer/beamerthemethubeamer.sty
@@ -26,7 +26,7 @@
 
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{beamerthemethubeamer}
-[2021/07/07 v1.0.0 A Beamer Theme for Tsinghua University (THU)]
+[2021/11/15 v1.1.0 A Beamer Theme for Tsinghua University (THU)]
 \def\thubeamer{\textsc{thu}\-\textsc{Beamer}}
 \RequirePackage{tikz}
 \usetikzlibrary{external}
@@ -34,7 +34,6 @@
 \RequirePackage{multicol}
 \RequirePackage{multimedia}
 \RequirePackage{calc}
-\RequirePackage{ctex}
 \RequirePackage{amsmath}
 \RequirePackage{amsthm}
 \RequirePackage{amssymb}
@@ -75,6 +74,9 @@
 \DeclareOptionBeamer{subsectiontoc}{
   \PassOptionsToPackage{subsectiontoc}{beamerinnerthemethubeamer}
 }
+\DeclareOptionBeamer{en}{
+  \PassOptionsToPackage{en}{beamerinnerthemethubeamer}
+}
 \ProcessOptionsBeamer
 \mode<presentation>
 {