diff --git a/server/handler/link_tun.go b/server/handler/link_tun.go
index e7a036d..d01b5f5 100644
--- a/server/handler/link_tun.go
+++ b/server/handler/link_tun.go
@@ -76,6 +76,7 @@ func LinkTun(cSess *sessdata.ConnSession) error {
 	cSess.SetIfName(ifce.Name())
 
 	// 通过 ip link show  查看 alias 信息
+
 	cmdstr1 := fmt.Sprintf("ip link set dev %s up mtu %d multicast off alias %s.%s", ifce.Name(), cSess.Mtu,
 		cSess.Group.Name, cSess.Username)
 	cmdstr2 := fmt.Sprintf("ip addr add dev %s local %s peer %s/32",