\documentclass[lang=cn,a4paper,12pt,bibend=bibtex,citestyle=gb7714-2015, bibstyle=gb7714-2015]{elegantpaper}
\usepackage{amsmath}
\usepackage{array}
\usepackage{caption}
\usepackage{graphicx}
\usepackage{float}
\newcommand{\ccr}[1]{\makecell{{\color{#1}\rule{1cm}{1cm}}}}
\addbibresource[location=local]{reference.bib} % 参考文献,不要删除
%去掉图、表后冒号
\ExecuteBibliographyOptions{sorting=gb7714-2015}
\captionsetup[table]{labelsep=space}
\captionsetup[figure]{labelsep=space}