diff --git a/dialer/ftcp/metadata.go b/dialer/ftcp/metadata.go
index a8e51d2..ff9e65a 100644
--- a/dialer/ftcp/metadata.go
+++ b/dialer/ftcp/metadata.go
@@ -1,22 +1,10 @@
 package ftcp
 
 import (
-	"time"
-
 	md "github.com/go-gost/core/metadata"
 )
 
-const (
-	dialTimeout = "dialTimeout"
-)
-
-const (
-	defaultDialTimeout = 5 * time.Second
-)
-
-type metadata struct {
-	dialTimeout time.Duration
-}
+type metadata struct{}
 
 func (d *ftcpDialer) parseMetadata(md md.Metadata) (err error) {
 	return
diff --git a/dialer/http2/h2/dialer.go b/dialer/http2/h2/dialer.go
index c9e2cfc..e257498 100644
--- a/dialer/http2/h2/dialer.go
+++ b/dialer/http2/h2/dialer.go
@@ -123,13 +123,16 @@ func (d *h2Dialer) Dial(ctx context.Context, address string, opts ...dialer.Dial
 	req := &http.Request{
 		Method:     http.MethodConnect,
 		URL:        &url.URL{Scheme: "https", Host: host},
-		Header:     make(http.Header),
+		Header:     d.md.header,
 		ProtoMajor: 2,
 		ProtoMinor: 0,
 		Body:       pr,
 		Host:       host,
 		// ContentLength: -1,
 	}
+	if req.Header == nil {
+		req.Header = make(http.Header)
+	}
 	if d.md.path != "" {
 		req.Method = http.MethodGet
 		req.URL.Path = d.md.path
diff --git a/dialer/http2/h2/metadata.go b/dialer/http2/h2/metadata.go
index 96617a3..7c1ceb2 100644
--- a/dialer/http2/h2/metadata.go
+++ b/dialer/http2/h2/metadata.go
@@ -1,23 +1,33 @@
 package h2
 
 import (
+	"net/http"
+
 	mdata "github.com/go-gost/core/metadata"
 	mdx "github.com/go-gost/x/metadata"
 )
 
 type metadata struct {
-	host string
-	path string
+	host   string
+	path   string
+	header http.Header
 }
 
 func (d *h2Dialer) parseMetadata(md mdata.Metadata) (err error) {
 	const (
-		host = "host"
-		path = "path"
+		host   = "host"
+		path   = "path"
+		header = "header"
 	)
 
 	d.md.host = mdx.GetString(md, host)
 	d.md.path = mdx.GetString(md, path)
-
+	if m := mdx.GetStringMapString(md, header); len(m) > 0 {
+		h := http.Header{}
+		for k, v := range m {
+			h.Add(k, v)
+		}
+		d.md.header = h
+	}
 	return
 }
diff --git a/dialer/http2/metadata.go b/dialer/http2/metadata.go
index 413d8af..03b1a6b 100644
--- a/dialer/http2/metadata.go
+++ b/dialer/http2/metadata.go
@@ -4,8 +4,7 @@ import (
 	mdata "github.com/go-gost/core/metadata"
 )
 
-type metadata struct {
-}
+type metadata struct{}
 
 func (d *http2Dialer) parseMetadata(md mdata.Metadata) (err error) {
 	return
diff --git a/dialer/quic/metadata.go b/dialer/quic/metadata.go
index c587f7c..bc8ba1a 100644
--- a/dialer/quic/metadata.go
+++ b/dialer/quic/metadata.go
@@ -13,7 +13,6 @@ type metadata struct {
 	handshakeTimeout time.Duration
 
 	cipherKey []byte
-	host      string
 }
 
 func (d *quicDialer) parseMetadata(md mdata.Metadata) (err error) {
@@ -23,7 +22,6 @@ func (d *quicDialer) parseMetadata(md mdata.Metadata) (err error) {
 		maxIdleTimeout   = "maxIdleTimeout"
 
 		cipherKey = "cipherKey"
-		host      = "host"
 	)
 
 	d.md.handshakeTimeout = mdx.GetDuration(md, handshakeTimeout)
@@ -36,6 +34,5 @@ func (d *quicDialer) parseMetadata(md mdata.Metadata) (err error) {
 	d.md.handshakeTimeout = mdx.GetDuration(md, handshakeTimeout)
 	d.md.maxIdleTimeout = mdx.GetDuration(md, maxIdleTimeout)
 
-	d.md.host = mdx.GetString(md, host)
 	return
 }
diff --git a/dialer/ssh/dialer.go b/dialer/ssh/dialer.go
index 95a60d3..f91c788 100644
--- a/dialer/ssh/dialer.go
+++ b/dialer/ssh/dialer.go
@@ -24,17 +24,19 @@ type sshDialer struct {
 	sessionMutex sync.Mutex
 	logger       logger.Logger
 	md           metadata
+	options      dialer.Options
 }
 
 func NewDialer(opts ...dialer.Option) dialer.Dialer {
-	options := &dialer.Options{}
+	options := dialer.Options{}
 	for _, opt := range opts {
-		opt(options)
+		opt(&options)
 	}
 
 	return &sshDialer{
 		sessions: make(map[string]*sshSession),
 		logger:   options.Logger,
+		options:  options,
 	}
 }
 
@@ -139,9 +141,9 @@ func (d *sshDialer) initSession(ctx context.Context, addr string, conn net.Conn)
 		Timeout:         30 * time.Second,
 		HostKeyCallback: ssh.InsecureIgnoreHostKey(),
 	}
-	if d.md.user != nil {
-		config.User = d.md.user.Username()
-		if password, _ := d.md.user.Password(); password != "" {
+	if d.options.Auth != nil {
+		config.User = d.options.Auth.Username()
+		if password, _ := d.options.Auth.Password(); password != "" {
 			config.Auth = []ssh.AuthMethod{
 				ssh.Password(password),
 			}
diff --git a/dialer/ssh/metadata.go b/dialer/ssh/metadata.go
index 5ce1018..d0b744b 100644
--- a/dialer/ssh/metadata.go
+++ b/dialer/ssh/metadata.go
@@ -2,8 +2,6 @@ package ssh
 
 import (
 	"io/ioutil"
-	"net/url"
-	"strings"
 	"time"
 
 	mdata "github.com/go-gost/core/metadata"
@@ -13,27 +11,16 @@ import (
 
 type metadata struct {
 	handshakeTimeout time.Duration
-	user             *url.Userinfo
 	signer           ssh.Signer
 }
 
 func (d *sshDialer) parseMetadata(md mdata.Metadata) (err error) {
 	const (
 		handshakeTimeout = "handshakeTimeout"
-		user             = "user"
 		privateKeyFile   = "privateKeyFile"
 		passphrase       = "passphrase"
 	)
 
-	if v := mdx.GetString(md, user); v != "" {
-		ss := strings.SplitN(v, ":", 2)
-		if len(ss) == 1 {
-			d.md.user = url.User(ss[0])
-		} else {
-			d.md.user = url.UserPassword(ss[0], ss[1])
-		}
-	}
-
 	if key := mdx.GetString(md, privateKeyFile); key != "" {
 		data, err := ioutil.ReadFile(key)
 		if err != nil {
diff --git a/go.mod b/go.mod
index 80c5512..39025a7 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/docker/libcontainer v2.2.1+incompatible
 	github.com/gin-contrib/cors v1.3.1
 	github.com/gin-gonic/gin v1.7.7
-	github.com/go-gost/core v0.0.0-20220405145417-b88025ea6d67
+	github.com/go-gost/core v0.0.0-20220407150135-aeda8b11ca46
 	github.com/go-gost/gosocks4 v0.0.1
 	github.com/go-gost/gosocks5 v0.3.1-0.20211109033403-d894d75b7f09
 	github.com/go-gost/relay v0.1.1-0.20211123134818-8ef7fd81ffd7
diff --git a/go.sum b/go.sum
index 21f1add..eea1400 100644
--- a/go.sum
+++ b/go.sum
@@ -119,10 +119,8 @@ github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gost/core v0.0.0-20220405095520-c2f49e94443c h1:TzDyqefjnUVgdT6piHZgeXrVKXevawsMs0kmSZZhDR4=
-github.com/go-gost/core v0.0.0-20220405095520-c2f49e94443c/go.mod h1:/LzdiQ+0+3FMhyqw0phjFjXFdOa1fcQR5/bL/7ripCs=
-github.com/go-gost/core v0.0.0-20220405145417-b88025ea6d67 h1:qKtSDjOdQcNNLUTifLtI12fcZm6STp9Lsp5Bj962Gx0=
-github.com/go-gost/core v0.0.0-20220405145417-b88025ea6d67/go.mod h1:/LzdiQ+0+3FMhyqw0phjFjXFdOa1fcQR5/bL/7ripCs=
+github.com/go-gost/core v0.0.0-20220407150135-aeda8b11ca46 h1:5Bg5OiSt1thHi03n9oiKptsfYzvgpOHuoLi4eAQOSSs=
+github.com/go-gost/core v0.0.0-20220407150135-aeda8b11ca46/go.mod h1:bHVbCS9da6XtKNYMkMUVcck5UqDDUkyC37erVfs4GXQ=
 github.com/go-gost/gosocks4 v0.0.1 h1:+k1sec8HlELuQV7rWftIkmy8UijzUt2I6t+iMPlGB2s=
 github.com/go-gost/gosocks4 v0.0.1/go.mod h1:3B6L47HbU/qugDg4JnoFPHgJXE43Inz8Bah1QaN9qCc=
 github.com/go-gost/gosocks5 v0.3.1-0.20211109033403-d894d75b7f09 h1:A95M6UWcfZgOuJkQ7QLfG0Hs5peWIUSysCDNz4pfe04=
diff --git a/metrics/metrics.go b/metrics/metrics.go
index c9f0ad7..1324ed9 100644
--- a/metrics/metrics.go
+++ b/metrics/metrics.go
@@ -62,7 +62,7 @@ func NewMetrics() metrics.Metrics {
 					Name: string(metrics.MetricChainErrorsCounter),
 					Help: "Total chain errors",
 				},
-				[]string{"host", "chain"}),
+				[]string{"host", "chain", "node"}),
 		},
 		histograms: map[metrics.MetricName]*prometheus.HistogramVec{
 			metrics.MetricServiceRequestsDurationObserver: prometheus.NewHistogramVec(