diff --git a/gvfsgio/shi-jian-er-3001-u-pan-cha-ba.md b/gvfsgio/shi-jian-er-3001-u-pan-cha-ba.md
index 343fd45..9005677 100644
--- a/gvfsgio/shi-jian-er-3001-u-pan-cha-ba.md
+++ b/gvfsgio/shi-jian-er-3001-u-pan-cha-ba.md
@@ -1,6 +1,6 @@
 # 实践二、u盘插拔
 
-[https://github.com/Yue-Lan/volume-monitor-demo](https://github.com/Yue-Lan/volume-monitor-demo)
+* [https://github.com/Yue-Lan/volume-monitor-demo](https://github.com/Yue-Lan/volume-monitor-demo)
 
 这个demo给出了GVolumeMonitor的用法，当然它不止可以监听u盘。