Modification bibliographie avec authoryear-comp

\usepackage[backend=biber, style=authoryear-comp, url=true, isbn=false, doi=false, maxcitenames=2, maxbibnames=99]{biblatex} 
\addbibresource{biblio.bib}
\renewcommand*{\nameyeardelim}{\addcomma\addspace}
\renewbibmacro*{name:andothers}{\ifboolexpr{test {\ifnumequal{\value{listcount}}{\value{liststop}}}and test \ifmorenames}{\ifnumgreater{\value{liststop}}{1}{\finalandcomma}{}\andothersdelim\bibstring[\emph]{andothers}}{}}
\renewbibmacro{in:}{\ifentrytype{article}{}{\printtext{\bibstring{in}\intitlepunct}}}
\DeclareFieldFormat[article]{volume}{Vol.#1}
\DeclareFieldFormat[article]{number}{No.#1}
\DeclareFieldFormat[article,inbook,inproceedings,incollection]{pages}{pp\adddotspace #1}
\DeclareFieldFormat[thesis]{title}{\mkbibemph{#1}}%titre thèses/mémoires en italiques