\documentclass{report}
\usepackage[nokeyprefix]{refstyle}
\usepackage{varioref}
\usepackage{xr-hyper}
\usepackage{hyperref}

\usepackage{xepersian}



\begin{document}
\chapter{سلام}
\label{sdlslded}
\begin{equation}
  \mathrm{e}^{i\pi}-1 = 0
  \label{sdwsd}
\end{equation}
\end{document}