diff --git a/go/cmd/nekoray_core/core_ray.go b/go/cmd/nekoray_core/core_ray.go
index dbf368c..c417d23 100644
--- a/go/cmd/nekoray_core/core_ray.go
+++ b/go/cmd/nekoray_core/core_ray.go
@@ -17,7 +17,8 @@ import (
 )
 
 var instance *libcore.V2RayInstance
-var getNekorayTunIndex = func() int { return 0 }
+var getNekorayTunIndex = func() int { return 0 } // Windows only
+var underlyingNetDialer *net.Dialer              // Windows only
 
 func setupCore() {
 	// TODO del
@@ -27,6 +28,9 @@ func setupCore() {
 	// localdns setup
 	resolver_def := &net.Resolver{PreferGo: false}
 	resolver_go := &net.Resolver{PreferGo: true}
+	if underlyingNetDialer != nil {
+		resolver_go.Dial = underlyingNetDialer.DialContext
+	}
 	localdns.SetLookupFunc(func(network string, host string) (ips []net.IP, err error) {
 		// fix old sekai
 		defer func() {
diff --git a/go/cmd/nekoray_core/protect_bindinterface_windows.go b/go/cmd/nekoray_core/protect_bindinterface_windows.go
index a0c2e97..48b8dbf 100644
--- a/go/cmd/nekoray_core/protect_bindinterface_windows.go
+++ b/go/cmd/nekoray_core/protect_bindinterface_windows.go
@@ -23,7 +23,7 @@ func init() {
 		bindInterfaceIndex := getBindInterfaceIndex(address)
 		if bindInterfaceIndex != 0 {
 			if err := bindInterface(fd, bindInterfaceIndex, true, true); err != nil {
-				log.Println("bind inbound interface", err)
+				log.Println("bind inbound interface", network, address, err)
 				return err
 			}
 		}
@@ -41,12 +41,33 @@ func init() {
 				v6 = false
 			}
 			if err := bindInterface(fd, bindInterfaceIndex, v4, v6); err != nil {
-				log.Println("bind outbound interface", err)
+				log.Println("bind outbound interface", network, address, err)
 				return err
 			}
 		}
 		return nil
 	})
+	underlyingNetDialer = &net.Dialer{
+		Control: func(network, address string, c syscall.RawConn) error {
+			c.Control(func(fd uintptr) {
+				bindInterfaceIndex := getBindInterfaceIndex(address)
+				if bindInterfaceIndex != 0 {
+					var v4, v6 bool
+					if strings.HasSuffix(network, "6") {
+						v4 = false
+						v6 = true
+					} else {
+						v4 = true
+						v6 = false
+					}
+					if err := bindInterface(fd, bindInterfaceIndex, v4, v6); err != nil {
+						log.Println("underlyingNetDialer: bind interface", network, address, err)
+					}
+				}
+			})
+			return nil
+		},
+	}
 	//
 	updateRoutes()
 	iphlpapi.RegisterNotifyRouteChange2(func(callerContext uintptr, row uintptr, notificationType uint32) uintptr {
diff --git a/go/cmd/updater/main.go b/go/cmd/updater/main.go
index ecfd80b..43a63a7 100644
--- a/go/cmd/updater/main.go
+++ b/go/cmd/updater/main.go
@@ -34,7 +34,7 @@ func main() {
 			} else {
 				// 1. nekoray stop it self and run "updater.exe"
 				Copy("./updater.exe", "./updater.old")
-				exec.Command("./updater.old").Start()
+				exec.Command("./updater.old", os.Args[1:]...).Start()
 			}
 		} else {
 			// 1. update files
diff --git a/libs/deploy_linux64.sh b/libs/deploy_linux64.sh
index 6220f60..6316178 100755
--- a/libs/deploy_linux64.sh
+++ b/libs/deploy_linux64.sh
@@ -9,7 +9,16 @@ mkdir -p $DEST
 #### copy binary ####
 cp $BUILD/nekoray $DEST
 
+#### Download: prebuilt runtime ####
+curl -Lso usr.zip https://github.com/MatsuriDayo/nekoray_qt_runtime/releases/download/20220503/20230202-5.12.8-ubuntu20.04-linux64.zip
+unzip usr.zip
+mv usr $DEST
+
+
 #### copy so ####
+# 5.11 looks buggy on new systems...
+exit
+
 USR_LIB=/usr/lib/x86_64-linux-gnu
 mkdir usr
 pushd usr