\documentclass[10pt]{report}
\usepackage[top=2.5cm,bottom=2cm,left=2cm,right=2.5cm]{geometry}   
\usepackage{tocloft}
\setlength{\cftbeforetoctitleskip}{+13mm}

\usepackage{xepersian}
\settextfont[Scale=1.2]{XB Niloofar}

\makeatletter
\renewcommand*\l@chapter[2]{%
  \ifnum \c@tocdepth >\m@ne
    \addpenalty{-\@highpenalty}%
    \vskip 1.0em \@plus\p@
    \setlength\@tempdima{1.5em}%
    \begingroup
      \parindent \z@ \if@RTL\leftskip\else\rightskip\fi \@pnumwidth
      \parfillskip -\@pnumwidth
      \leavevmode \bfseries
      \advance\if@RTL\rightskip\else\leftskip\fi\@tempdima
      \hskip -\if@RTL\rightskip\else\leftskip\fi
      #1\nobreak\leaders\hbox{$\m@th
        \mkern \@dotsep mu\hbox{.}\mkern \@dotsep
        mu$}\hfill \nobreak\hb@xt@\@pnumwidth{\hss #2}\par
      \penalty\@highpenalty
    \endgroup
  \fi}
  
\renewcommand\tableofcontents{%
    \if@twocolumn
      \@restonecoltrue\onecolumn
    \else
      \@restonecolfalse
    \fi
    \centerline{\huge\bfseries\contentsname
        \@mkboth{%
           \MakeUppercase\contentsname}{\MakeUppercase\contentsname}}%
    \vskip 40\p@
    \@starttoc{toc}%
    \if@restonecol\twocolumn\fi
    }
    
    \renewcommand{\@starttoc}[1]{%
  \hboxR to \textwidth{{\bf عنوان} \hfill {\bf صفحه}}
  \begingroup
    \makeatletter
    \@input{\jobname.#1}%
    \if@filesw
      \expandafter\newwrite\csname tf@#1\endcsname
      \immediate\openout \csname tf@#1\endcsname \jobname.#1\relax
    \fi
    \@nobreakfalse
  \endgroup}
  
\makeatother

\begin{document}
\date{}
\tableofcontents
\listoffigures
\listoftables

\chapter{چکیده}
متننن\\
متننن
\chapter{فصل اول}
متن متنننننننننننننن\\
متننننننننننننن
\chapter{فصل دوم}
متنن
\end{document}