更新 chapterpreface.tex

Book/ChapterPreface/chapterpreface.tex

@@ -57,6 +57,8 @@
 \centering
 \centering
 \centering
 \centering
 \input{./ChapterPreface/Figures/figure-preface}
 \input{./ChapterPreface/Figures/figure-preface}
+\caption{本书各章节及核心概念关系图}
+\label{fig:preface}
 \end{figure}
 \end{figure}
 %-------------------------------------------
 %-------------------------------------------