documentclass[pdftex,12pt,a4paper]{report}
usepackage{titlesec}
titleformat{chapter}{bfserieshuge}{thechapter.}{20pt}{huge}

usepackage[top=3cm, bottom=3cm, left=3.5cm, right=3cm]{geometry}

% graphics images
usepackage[pdftex]{graphicx}
usepackage[toc,page]{appendix}
usepackage{slashbox}

% 1.5 line spacing
usepackage{setspace}
usepackage{tabu}
usepackage{tabularx}
onehalfspacing

% maths symbols
usepackage{amsmath}
%usepackage[math-style = upright]{unicode-math}

% table package
usepackage{multirow}

% citation style
usepackage[colorlinks=true,linkcolor=blue]{hyperref}%
makeatletter
letHy@linktocHy@linktoc@none
makeatother

usepackage[square,sort,comma,numbers]{natbib}
usepackage{amsfonts}

%renewcommand{chaptername}{}

usepackage{tikz,colortbl}
usetikzlibrary{calc}
usepackage{zref-savepos}

usepackage[bf,small,tableposition=top]{caption}
usepackage{subfig}
usepackage{float}
usepackage{url}
usepackage{pdfpages}

begin{document}

% cover
%input{cover_report.tex}
includepdf[pages=1]{CoverPage}

% abstract
setcounter{page}{1}
pagenumbering{roman}
input{abstract.tex}

% acknowledgement
input{acknowledgements.tex}

% table of content
tableofcontents
addcontentsline{toc}{chapter}{Contents}{Bibliography}

% list of tables
%listoftables
%addcontentsline{toc}{chapter}{List of Tables}

% list of figures
%listoffigures
%addcontentsline{toc}{chapter}{List of Figures}

% intro chapter
cleardoublepage
pagenumbering{arabic}
input{intro.tex}
input{literature.tex}
input{dataset.tex}
%input{propose.tex}
input{module_design.tex}
input{training.tex}
input{results.tex}
input{conclusion.tex}

% references
%bibliographystyle{plainnat}
bibliographystyle{unsrtnat}
bibliography{fyp}

% appendix
%input{appendix.tex}
end{document}

documentclass{report}
usepackage{hyperref}

makeatletter
letHy@linktocHy@linktoc@none
makeatother

begin{document}

tableofcontents

chapter{Test}

phantomsection
addcontentsline{toc}{chapter}{Bibliography}
bibliographystyle{unsrtnat}
bibliography{fyp}

end{document}