diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..6e3c2b4
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,8 @@
+module github.com/fumiama/water
+
+go 1.17
+
+require (
+	github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..f0fea54
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8 h1:TG/diQgUe0pntT/2D9tmUCz4VNwm9MfrtPr0SU2qSX8=
+github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8/go.mod h1:P5HUIBuIWKbyjl083/loAegFkfbFNx5i2qEP4CNbm7E=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/params_windows.go b/params_windows.go
index 76697e4..5b6c181 100644
--- a/params_windows.go
+++ b/params_windows.go
@@ -28,7 +28,7 @@ type PlatformSpecificParams struct {
 
 func defaultPlatformSpecificParams() PlatformSpecificParams {
 	return PlatformSpecificParams{
-		ComponentID: "tap0901",
+		ComponentID: "root\\tap0901",
 		Network:     "192.168.1.10/24",
 	}
 }
diff --git a/syscalls_windows.go b/syscalls_windows.go
index f38a9cb..6ea184d 100644
--- a/syscalls_windows.go
+++ b/syscalls_windows.go
@@ -281,11 +281,6 @@ func openDev(config Config) (ifce *Interface, err error) {
 	fd := &wfile{fd: file, ro: ro, wo: wo}
 	ifce = &Interface{isTAP: (config.DeviceType == TAP), ReadWriteCloser: fd}
 
-	// bring up device.
-	if err := setStatus(file, true); err != nil {
-		return nil, err
-	}
-
 	//TUN
 	if config.DeviceType == TUN {
 		if err := setTUN(file, config.PlatformSpecificParams.Network); err != nil {
@@ -293,6 +288,11 @@ func openDev(config Config) (ifce *Interface, err error) {
 		}
 	}
 
+	// bring up device.
+	if err := setStatus(file, true); err != nil {
+		return nil, err
+	}
+
 	// find the name of tap interface(u need it to set the ip or other command)
 	ifces, err := net.Interfaces()
 	if err != nil {