diff --git a/离散数学.tex b/离散数学.tex
index 7ccc5f1..2e0eb01 100644
--- a/离散数学.tex
+++ b/离散数学.tex
@@ -1,11 +1,11 @@
-\documentclass[12pt, UTF8, a4paper, fontset=none]{ctexbook}
+\documentclass[12pt, UTF8, a4paper, fontset=none, oneside]{ctexbook}
 \usepackage{geometry}
 \usepackage{amsmath}
 \usepackage{amsthm}
 \usepackage{amssymb}
 \usepackage{bm}
 \usepackage{graphicx}
-\usepackage{hyperref}
+\usepackage[colorlinks, linkcolor=black, anchorcolor=green, citecolor=blue]{hyperref}
 \usepackage{mathrsfs}
 \usepackage[inline]{enumitem}