diff --git a/officefile/latex/main.synctex(busy) b/officefile/latex/main.synctex(busy)
deleted file mode 100644
index e69de29..0000000
diff --git a/officefile/latex/main.tex b/officefile/latex/main.tex
index 8a22dfc..bfa9a2a 100644
--- a/officefile/latex/main.tex
+++ b/officefile/latex/main.tex
@@ -19,6 +19,15 @@
 \maketitle
 \thispagestyle{empty}
 
+% ---------- 故意留白 ----------
+\clearpage
+\vspace*{\fill}
+\begin{center}
+\small\textcolor{gray}{此页故意留白}
+\end{center}
+\vspace*{\fill}
+\thispagestyle{empty}
+
 % ---------- 前言部分 ----------
 \frontmatter
 \input{chapters/ch00-preface}