diff --git a/config/config.go b/config/config.go
index d9dcf9feb..92d5e0b09 100644
--- a/config/config.go
+++ b/config/config.go
@@ -208,7 +208,7 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		ProxyGroup:     []map[string]interface{}{},
 		Tun: Tun{
 			Enable:    false,
-			Stack:     "lwip",
+			Stack:     "gvisor",
 			DNSListen: "0.0.0.0:53",
 			AutoRoute: true,
 		},
diff --git a/listener/tun/dev/dev.go b/listener/tun/dev/dev.go
index 13dca8d5f..4df41cbac 100644
--- a/listener/tun/dev/dev.go
+++ b/listener/tun/dev/dev.go
@@ -21,6 +21,7 @@ type TunDevice interface {
 
 func SetLinuxAutoRoute() {
 	log.Infoln("Tun adapter auto setting global route")
+	addLinuxSystemRoute("0")
 	addLinuxSystemRoute("1")
 	addLinuxSystemRoute("2/7")
 	addLinuxSystemRoute("4/6")
@@ -34,6 +35,7 @@ func SetLinuxAutoRoute() {
 
 func RemoveLinuxAutoRoute() {
 	log.Infoln("Tun adapter removing global route")
+	delLinuxSystemRoute("0")
 	delLinuxSystemRoute("1")
 	delLinuxSystemRoute("2/7")
 	delLinuxSystemRoute("4/6")