diff --git a/seuthesiY.tex b/seuthesiY.tex
index 51e675f..22d65ff 100644
--- a/seuthesiY.tex
+++ b/seuthesiY.tex
@@ -16,6 +16,8 @@
 
 \input{chapter/Intro.tex}
 
+
+\backmatter
 %打印参考文献表
 \thesisbib
 
@@ -30,4 +32,4 @@
 \end{flushleft}
 
 
-\end{document}
\ No newline at end of file
+\end{document}