My LaTeX Beamer Template For Slides

\documentclass{beamer}
\usecolortheme{whale}
\useoutertheme{infolines}
\useinnertheme[shadow]{rounded}
\usecolortheme{seagull}
\setbeamerfont{block title}{size={}}
\usefonttheme{structuresmallcapsserif}
\mode
<all>
\usepackage{algorithm}
\usepackage{amssymb,amsmath}
\usepackage{graphicx}
\usepackage{amsfonts}
\usepackage{subfigure}
\usepackage{xcolor}
\usepackage{listings} %C/C++ code
\mode<presentation>
\begin{document}
%===============================================
\title{Simple Title}
%===============================================
\author[P.~Lv]{Peng Lv}
\institute{MCISLab of BIT}
\date{\today}
%
\begin{frame}
\author[P.~Lv]{Peng Lv}
\institute{Media Computing and Intelligent Systems Lab\\
    Beijing Institude of Technology}
\date{\today}
\titlepage
\end{frame}
%*********************************************
% \begin{frame}      \frametitle{}    \end{frame}
% \begin{itemize} \item     \end{itemize}
% \begin{block}{}             \end{block}
% \begin{example}{}         \end{example}
% \begin{columns}            \end{columns}
% \begin{column}{}            \end{column}
%*********************************************
\section*{Outline}
\frame{\frametitle{Outline}\tableofcontents}
\section{}
\begin{frame}
\frametitle{}
\end{frame}
\end{document}