diff --git a/njuthesis.tex b/njuthesis.tex
index a5106b09d56c99e31575bed6d6f41a2de0b841ba..29c8e576c4618db0018e5ce2decb1b11d3e346d1 100644
--- a/njuthesis.tex
+++ b/njuthesis.tex
@@ -89,7 +89,7 @@
 \zhlipsum[3][name=xiangyu]
 
 \backmatter
-\setcounter{secnumdepth}{-2}
+
 \chapter*{鑷磋阿}
 鎰熻阿\href{https://git.nju.edu.cn/nju-lug/lug-introduction}{NJU LUG}銆�