提问于：
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我复制粘贴一张图片过来，软件自动生成的代码，如下：
\begin{figure}
\centering
\includegraphics[width=0.7\linewidth]{screenshot001}
\caption{批量导出文件数据库里面的table}
\label{fig:screenshot001}
\end{figure}
报错信息如下：
行 25: Undefined control sequence. ^^I\includegraphics
行 25: Missing number, treated as zero. ^^I\includegraphics[width=0.7\linewidth]
行 25: Illegal unit of measure (pt inserted). ^^I\includegraphics[width=0.7\linewidth]
: Unused global option(s): [UTF-8].
: Label(s) may have changed. Rerun to get cross-references right.
请教大牛门，这个问题是出在哪里？要怎么解决？是不是我漏掉了import什么？我的文件头是这样的
\documentclass[UTF-8]{ctexart}
\usepackage[colorlinks,linkcolor=red]{hyperref}
