更新 structure.tex

df79f520 · 曹润柘 · 796613e8 · df79f520
Commit df79f520 authored Mar 03, 2020 by 曹润柘
--- a/Book/structure.tex
+++ b/Book/structure.tex
@@ -558,5 +558,5 @@ addtohook={%
 %----------------------------------------------------------------------------------------
 \usepackage{multirow}
 \usepackage{tcolorbox}
-
+\newcommand{\dash}{\raisebox{0.5mm}{------}}%中文破折号