diff --git a/adapter/outbound/shadowsocks.go b/adapter/outbound/shadowsocks.go
index 49e638a4..eb971910 100644
--- a/adapter/outbound/shadowsocks.go
+++ b/adapter/outbound/shadowsocks.go
@@ -74,16 +74,14 @@ type v2rayObfsOption struct {
 }
 
 type gostObfsOption struct {
-	Mode                     string            `obfs:"mode"`
-	Host                     string            `obfs:"host,omitempty"`
-	Path                     string            `obfs:"path,omitempty"`
-	TLS                      bool              `obfs:"tls,omitempty"`
-	Fingerprint              string            `obfs:"fingerprint,omitempty"`
-	Headers                  map[string]string `obfs:"headers,omitempty"`
-	SkipCertVerify           bool              `obfs:"skip-cert-verify,omitempty"`
-	Mux                      bool              `obfs:"mux,omitempty"`
-	V2rayHttpUpgrade         bool              `obfs:"v2ray-http-upgrade,omitempty"`
-	V2rayHttpUpgradeFastOpen bool              `obfs:"v2ray-http-upgrade-fast-open,omitempty"`
+	Mode           string            `obfs:"mode"`
+	Host           string            `obfs:"host,omitempty"`
+	Path           string            `obfs:"path,omitempty"`
+	TLS            bool              `obfs:"tls,omitempty"`
+	Fingerprint    string            `obfs:"fingerprint,omitempty"`
+	Headers        map[string]string `obfs:"headers,omitempty"`
+	SkipCertVerify bool              `obfs:"skip-cert-verify,omitempty"`
+	Mux            bool              `obfs:"mux,omitempty"`
 }
 
 type shadowTLSOption struct {
@@ -314,12 +312,10 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		}
 		obfsMode = opts.Mode
 		gostOption = &gost.Option{
-			Host:                     opts.Host,
-			Path:                     opts.Path,
-			Headers:                  opts.Headers,
-			Mux:                      opts.Mux,
-			V2rayHttpUpgrade:         opts.V2rayHttpUpgrade,
-			V2rayHttpUpgradeFastOpen: opts.V2rayHttpUpgradeFastOpen,
+			Host:    opts.Host,
+			Path:    opts.Path,
+			Headers: opts.Headers,
+			Mux:     opts.Mux,
 		}
 
 		if opts.TLS {
diff --git a/transport/gost-plugin/websocket.go b/transport/gost-plugin/websocket.go
index bb668f4d..064bd917 100644
--- a/transport/gost-plugin/websocket.go
+++ b/transport/gost-plugin/websocket.go
@@ -17,16 +17,14 @@ const (
 
 // Option is options of gost websocket
 type Option struct {
-	Host                     string
-	Port                     string
-	Path                     string
-	Headers                  map[string]string
-	TLS                      bool
-	SkipCertVerify           bool
-	Fingerprint              string
-	Mux                      bool
-	V2rayHttpUpgrade         bool
-	V2rayHttpUpgradeFastOpen bool
+	Host           string
+	Port           string
+	Path           string
+	Headers        map[string]string
+	TLS            bool
+	SkipCertVerify bool
+	Fingerprint    string
+	Mux            bool
 }
 
 // NewGostWebsocket return a gost websocket
@@ -37,12 +35,10 @@ func NewGostWebsocket(ctx context.Context, conn net.Conn, option *Option) (net.C
 	}
 
 	config := &vmess.WebsocketConfig{
-		Host:                     option.Host,
-		Port:                     option.Port,
-		Path:                     option.Path,
-		V2rayHttpUpgrade:         option.V2rayHttpUpgrade,
-		V2rayHttpUpgradeFastOpen: option.V2rayHttpUpgradeFastOpen,
-		Headers:                  header,
+		Host:    option.Host,
+		Port:    option.Port,
+		Path:    option.Path,
+		Headers: header,
 	}
 
 	if option.TLS {