diff --git a/engine/engine.go b/engine/engine.go
index 84ec49a..92bb12c 100644
--- a/engine/engine.go
+++ b/engine/engine.go
@@ -7,6 +7,7 @@ import (
 	"github.com/xjasonlyu/tun2socks/v2/component/dialer"
 	"github.com/xjasonlyu/tun2socks/v2/core"
 	"github.com/xjasonlyu/tun2socks/v2/core/device"
+	"github.com/xjasonlyu/tun2socks/v2/engine/mirror"
 	"github.com/xjasonlyu/tun2socks/v2/log"
 	"github.com/xjasonlyu/tun2socks/v2/proxy"
 	"github.com/xjasonlyu/tun2socks/v2/restapi"
@@ -156,7 +157,7 @@ func netstack(k *Key) (err error) {
 
 	if _defaultStack, err = core.CreateStack(&core.Config{
 		LinkEndpoint:     _defaultDevice,
-		TransportHandler: &fakeTunnel{},
+		TransportHandler: &mirror.Tunnel{},
 		ErrorFunc: func(err tcpip.Error) {
 			log.Warnf("[STACK] %s", err)
 		},
diff --git a/engine/mirror/tunnel.go b/engine/mirror/tunnel.go
new file mode 100644
index 0000000..b753ac3
--- /dev/null
+++ b/engine/mirror/tunnel.go
@@ -0,0 +1,18 @@
+package mirror
+
+import (
+	"github.com/xjasonlyu/tun2socks/v2/core/adapter"
+	"github.com/xjasonlyu/tun2socks/v2/tunnel"
+)
+
+var _ adapter.TransportHandler = (*Tunnel)(nil)
+
+type Tunnel struct{}
+
+func (*Tunnel) HandleTCP(conn adapter.TCPConn) {
+	tunnel.TCPIn() <- conn
+}
+
+func (*Tunnel) HandleUDP(conn adapter.UDPConn) {
+	tunnel.UDPIn() <- conn
+}
diff --git a/engine/tunnel.go b/engine/tunnel.go
deleted file mode 100644
index 212717e..0000000
--- a/engine/tunnel.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package engine
-
-import (
-	"github.com/xjasonlyu/tun2socks/v2/core/adapter"
-	"github.com/xjasonlyu/tun2socks/v2/tunnel"
-)
-
-var _ adapter.TransportHandler = (*fakeTunnel)(nil)
-
-type fakeTunnel struct{}
-
-func (*fakeTunnel) HandleTCP(conn adapter.TCPConn) {
-	tunnel.TCPIn() <- conn
-}
-
-func (*fakeTunnel) HandleUDP(conn adapter.UDPConn) {
-	tunnel.UDPIn() <- conn
-}