diff --git a/conf/conf.go b/conf/conf.go
index b4b777f..1ca0f97 100644
--- a/conf/conf.go
+++ b/conf/conf.go
@@ -34,7 +34,8 @@ var Conf = struct {
 
 func init() {
 	flag.StringVar(&Conf.ConfigFile, "f", "", "config file location")
-	flag.StringVar(&Conf.NetType, "n", "QUIC", "proxy net type (QUIC)")
+	flag.StringVar(&Conf.NetType, "n", "QUIC", "proxy net type (QUIC|KCP)")
+	flag.StringVar(&Conf.Password, "p", "12345678", "password")
 	flag.StringVar(&Conf.ServerPort, "P", "5533", "server mode listen port")
 	flag.StringVar(&Conf.ServerAddr, "s", "", "server IP (run in client mode if set)")
 	flag.StringVar(&Conf.DnsServer, "d", "114.114.114.114", "client dns server")