diff --git a/app/browserforwarder/forwarder.go b/app/browserforwarder/forwarder.go
index 54dbe136f..2aae63800 100644
--- a/app/browserforwarder/forwarder.go
+++ b/app/browserforwarder/forwarder.go
@@ -5,6 +5,7 @@ package browserforwarder
 import (
 	"bytes"
 	"context"
+	"github.com/v2fly/v2ray-core/v4/features/extension"
 	"io"
 	"net/http"
 	"time"
@@ -14,7 +15,6 @@ import (
 	"github.com/v2fly/v2ray-core/v4/common"
 	"github.com/v2fly/v2ray-core/v4/common/net"
 	"github.com/v2fly/v2ray-core/v4/common/platform/securedload"
-	"github.com/v2fly/v2ray-core/v4/features/ext"
 	"github.com/v2fly/v2ray-core/v4/transport/internet"
 )
 
@@ -47,7 +47,7 @@ func (f *Forwarder) DialWebsocket(url string, header http.Header) (io.ReadWriteC
 }
 
 func (f *Forwarder) Type() interface{} {
-	return ext.BrowserForwarderType()
+	return extension.BrowserForwarderType()
 }
 
 func (f *Forwarder) Start() error {
diff --git a/features/ext/browser.go b/features/extension/browser.go
similarity index 92%
rename from features/ext/browser.go
rename to features/extension/browser.go
index d9ce8f79e..9c82be3ba 100644
--- a/features/ext/browser.go
+++ b/features/extension/browser.go
@@ -1,4 +1,4 @@
-package ext
+package extension
 
 import (
 	"io"
diff --git a/transport/internet/websocket/dialer.go b/transport/internet/websocket/dialer.go
index 93da25fce..5dbeba85b 100644
--- a/transport/internet/websocket/dialer.go
+++ b/transport/internet/websocket/dialer.go
@@ -6,13 +6,12 @@ import (
 	"bytes"
 	"context"
 	"encoding/base64"
+	"github.com/v2fly/v2ray-core/v4/features/extension"
 	"io"
 	"time"
 
-	core "github.com/v2fly/v2ray-core/v4"
-	"github.com/v2fly/v2ray-core/v4/features/ext"
-
 	"github.com/gorilla/websocket"
+	core "github.com/v2fly/v2ray-core/v4"
 
 	"github.com/v2fly/v2ray-core/v4/common"
 	"github.com/v2fly/v2ray-core/v4/common/net"
@@ -62,8 +61,8 @@ func dialWebsocket(ctx context.Context, dest net.Destination, streamSettings *in
 	uri := protocol + "://" + host + wsSettings.GetNormalizedPath()
 
 	if wsSettings.UseBrowserForwarding {
-		var forwarder ext.BrowserForwarder
-		err := core.RequireFeatures(ctx, func(Forwarder ext.BrowserForwarder) {
+		var forwarder extension.BrowserForwarder
+		err := core.RequireFeatures(ctx, func(Forwarder extension.BrowserForwarder) {
 			forwarder = Forwarder
 		})
 		if err != nil {
@@ -141,7 +140,7 @@ func (d dialerWithEarlyData) Dial(earlyData []byte) (*websocket.Conn, error) {
 }
 
 type dialerWithEarlyDataRelayed struct {
-	forwarder ext.BrowserForwarder
+	forwarder extension.BrowserForwarder
 	uriBase   string
 	config    *Config
 }