\documentclass{IEEEtran}
%\documentclass{article}

\usepackage{hyperref}

\makeatletter
\iffalse
\long\def\@caption#1[#2]#3{%
  \hyper@makecurrent{\@captype}%
  \par\addcontentsline{\csname ext@#1\endcsname}{#1}{%
    \protect\numberline{\csname the#1\endcsname}{\ignorespaces #2}%
  }%
  \begingroup
    \@parboxrestore
    \if@minipage
      \@setminipage
    \fi
    \normalsize
    \@makecaption{\csname fnum@#1\endcsname}{%
      \ignorespaces
      \ifHy@nesting
        \hyper@@anchor{\@currentHref}{#3}%
      \else
        \Hy@raisedlink{\hyper@@anchor{\@currentHref}{\relax}}#3%
     \fi
    }%
    {#1}%
    \par
  \endgroup
}
\fi
\makeatother

\begin{document}
\listoffigures
Hello World
\begin{figure}[h!]
 \centering
  Hello World
 \caption{My Caption} \label{fig_sim}
\end{figure}
\end{document}
