diff --git a/rsync.sh b/rsync.sh
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--- /dev/null
+++ b/rsync.sh
@@ -0,0 +1,7 @@
+rsync -avrt rsync://mirrors4.tuna.tsinghua.edu.cn/centos/ /mirror/centos/
+#默认使用清华大学源
+#Default Use Tsinghua University's Source
+#此处为CentOS系统实例
+#Here is an example of the CentOS system
+#/mirror/centos/是本地目录
+#/mirror/centos/ is the local directory
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