LaTeX - Beamer

  \documentclass[t, compress, red, 10pt, aspectratio=169, allowframebreaks]{beamer}

  \usepackage{hyperref}
  \hypersetup{pdfpagemode=FullScreen,
  colorlinks=true,
  pdfauthor={Shaka},
  pdftitle={TITLE},
  pdfcreator={GNU Emacs},
  pdflang={English}}
  \usepackage{tikz}
  \usepackage{pgfplots}
  \usepackage{circuitikz}
  \usetikzlibrary{arrows, cd, shapes}
  \tikzstyle{every picture}+=[remember picture]
  \usepackage{amsmath, amssymb, amsfonts}
  \usepackage{caption, subcaption}
  \usepackage{fontawesome5}
  \usepackage{enumerate}
  \usepackage{cite}
  \usepackage{tabularx}
  \usepackage{fancybox}
  \usepackage{booktabs}

  \usepackage{biblatex}
  \addbibresource{~/ref/ref.bib}
  \newcounter{eg}
  \newcounter{prop}
  % \usepackage{xeCJK}
  % \setCJKsansfont{WenQuanYi Micro Hei}
  % \usepackage{helvet}
  % \usepackage{charter}
  % \usepackage{fourier}
  % \usepackage{Minion Pro}
  % \usepackage{mathdesign}
  % \usepackage{mathpazo}
  % \usepackage{newcent}
  % \usepackage{avant}
  % \usepackage{bookman}
  \DeclareMathOperator{\diag}{diag}
  \renewcommand{\emph}[1]{\textit{\textcolor{blue}{#1}}}

  %% Insert logo at top right corner of each slide
  % LaTeX
  \logo{\pgfputat{\pgfxy(0, 8.2)}{\pgfbox[right,bottom]{\includegraphics[height=0.8cm]{logo.png}}}}
  % XeLaTeX
  % \logo{\pgfputat{\pgfxy(0, 8.2)}{\includegraphics[height=0.7cm]{logo.jpg}}}

  %% Custom footer
  \usefoottemplate{\rightline{\textbf{\insertframenumber}}}

  %% Theme setting
  % \setbeamercolor{frametitle}{fg=black}
  \usetheme{default}
  \useinnertheme{circles}
  \useoutertheme{default}
  \setbeamercovered{transparent}
  \setbeamertemplate{caption}[numbered]
  \usefonttheme{professionalfonts}
  \setbeamerfont{title}{shape=\scshape,series=\bfseries}
  \setbeamerfont{frametitle}{shape=\scshape,series=\bfseries}

  \begin{document}

  \title{TITLE}
  \author{AUTHOR}
  \date{\today}
  \institute{INSTITUTE}
  \titlepage

  \begin{frame}
    \frametitle{Outline}
    \tableofcontents
  \end{frame}

  \AtBeginSection
  {
    \begin{frame}
      \frametitle{Outline}
      \tableofcontents[currentsection, hideallsubsections]
    \end{frame}
  }

  \begin{frame}
      \frametitle{References}
      \printbibliography
  \end{frame}

  \begin{frame}
      \frametitle{FRAME}
      \begin{itemize}
      \item Proposal\refstepcounter{prop}\theprop\label{prop:1}: xxx
      \item Example\refstepcounter{eg}\theeg\label{eg:1}: xxx
      \item Proposal \ref{prop:1} and Example\ref{eg:1} xxx
      \end{itemize}
  \end{frame}
  \end{document}