\documentclass{ctexart}
\usepackage{geometry}
\usepackage{tcolorbox}
\usepackage{wrapfig}
\usepackage{graphicx}

\begin{document}


\begin{wrapfigure}{r}{8cm} % 使用 wrapfig 替代 wrapstuff
    \includegraphics[width=\linewidth]{example-image.pdf}
\end{wrapfigure}

巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉

这是一个数学公式的示例：
\[
\sum_{n=1}^\infty \frac{1}{n^2} = \frac{\pi^2}{6}
\]

\begin{tcolorbox}[colback=blue!5!white, colframe=blue!75!black, title=巴拉巴拉巴拉]
巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉
\end{tcolorbox}

巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉巴拉

\end{document}

\documentclass[margin=5pt,convert,
convert={outext=.png,command=\unexpanded{pdftocairo -r 600 -png \infile}}]{standalone}
\usepackage{tikz}
\begin{document}
    \begin{tikzpicture}
        \draw[->] (0,0) -- (7,0);
        \draw[->] (0,0) -- (0,1.5);    
        \draw[thick,domain=0:6.28,smooth] plot(\x,{sin(\x r)}) node[above] {$\sin x$};
    \end{tikzpicture} 
\end{document}

结果如下：

{{pbrtbook-main.rar(uploading...)}}

建议安装新版本

C:\Users\Administrator>tlmgr update --self --all --reinstall-forcibly-removed
TeX Live 2021 is frozen
and will no longer be routinely updated.  This happens when a new
release is made, or will be made shortly.

If you're willing to help with pretesting a new release, and we hope
you are, please see https://tug.org/texlive/pretest.html.

For general status information about TeX Live, see its home page:
https://tug.org/texlive

\CTEXsetup[name={,},number={\arabic{section}}]{section}

bm only inspects the ‘top level’ definition of a command, for more complicated
expressions, and anything inside a { } group, bm forces bold fonts by essentially
the same (slow) technique used by the AMS boldsymbol command (but bm still
takes more care of the spacing).