how get hyperlink problems to answer in arabic

Question

How can I get hyperlink between exercise and his answer in arabic model for exemple make this model to arabic or any model Through which I write in Arabic to get hyperlink between exercise and his answer

\documentclass[11pt]{scrbook}
\usepackage{marginnote}
\usepackage{xcolor}
\usepackage[linkcolor=red,urlcolor=red]{hyperref}
\usepackage{ifthen}
\usepackage[answerdelayed]{exercise}
\renewcounter{Exercise}[chapter]
\renewcounter{Answer}[chapter]
\renewcommand{\theExercise}{\arabic{Exercise}}
\newcounter{myexerciselabel}
\newcounter{myexercisenumber}[chapter]
 %
\newenvironment{exo}[2][\unskip]{\stepcounter{myexerciselabel}\stepcounter{myexercisenumber}
\begin{Exercise}[title={#1},label={\the\value{myexerciselabel}}, number= 
{\the\value{myexercisenumber}}, counter={myexercisenumber}]
    \normalmarginpar
    \ifthenelse{\boolean{#2}}{\marginnote{\footnotesize\sffamily [Sol~\refAnswer{\ExerciseLabel}]}}{}
}{%
\end{Exercise}
}
%
\newenvironment{sol}{\begin{Answer}[ref=\ExerciseLabel]}
{\end{Answer}
}
\begin{document}
\chapter{ABCD}
\begin{exo}[Shows Sol]{true}
    ABCD
\end{exo}
\begin{sol}
    ABD 
\end{sol}
\begin{exo}[No Sol]{false}
    EFGH
\end{exo}
\begin{sol} % THIS WOULD NOT BE INCLUDED 
    EFG 
\end{sol}
\begin{exo}[Shows Sol]{true}
    HIJK
\end{exo}
\begin{sol}
    HIJ 
\end{sol}
\section{Solutions}
\shipoutAnswer
\chapter{ABCD}
\begin{exo}[No Sol]{false}
    ABCD
\end{exo}
\begin{sol}  % THIS WOULD NOT BE INCLUDED 
    ABD 
\end{sol}
\begin{exo}[Shows Sol]{true}
    EFGH
\end{exo}
\begin{sol}
    EFG 
\end{sol}
\section{Solutions}
\shipoutAnswer
\end{document}