\documentclass[10pt]{article}
\usepackage{fancyhdr}

\usepackage{xepersian}
\settextfont{XB Zar}

\renewcommand\headrule{\hrule height 0.5pt width\headwidth
                       \vspace{1pt}%
                       \hrule height 0.5pt width\headwidth
                       \vspace{-4pt}}
                       
 \pagestyle{fancy}
\cfoot{}
\lhead{\thepage}

 \begin{document}
 \tableofcontents
 \pagebreak
\section{قسمت اول}
\section{قسمت دوم}
\end{document}