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 9005677..343fd45 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。