diff --git a/go.mod b/go.mod
index 3e638b7f..4ea09f80 100644
--- a/go.mod
+++ b/go.mod
@@ -17,6 +17,7 @@ require (
 	github.com/oschwald/geoip2-golang v1.9.0
 	github.com/refraction-networking/utls v1.6.4
 	github.com/samber/slog-formatter v1.0.0
+	github.com/segmentio/encoding v0.4.0
 	github.com/smallnest/ringbuffer v0.0.0-20230728150354-35801fa39d0e
 	github.com/stretchr/testify v1.9.0
 	github.com/txthinking/socks5 v0.0.0-20230325130024-4230056ae301
@@ -67,6 +68,7 @@ require (
 	github.com/quic-go/quic-go v0.42.0 // indirect
 	github.com/samber/lo v1.38.1 // indirect
 	github.com/samber/slog-multi v1.0.0 // indirect
+	github.com/segmentio/asm v1.1.3 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/txthinking/runnergroup v0.0.0-20210608031112-152c7c4432bf // indirect
 	github.com/zeebo/blake3 v0.2.3 // indirect
diff --git a/go.sum b/go.sum
index 66e3a2b6..01caad0c 100644
--- a/go.sum
+++ b/go.sum
@@ -127,6 +127,10 @@ github.com/samber/slog-formatter v1.0.0 h1:ULxHV+jNqi6aFP8xtzGHl2ejFRMl2+jI2UhCp
 github.com/samber/slog-formatter v1.0.0/go.mod h1:c7pRfwhCfZQNzJz+XirmTveElxXln7M0Y8Pq781uxlo=
 github.com/samber/slog-multi v1.0.0 h1:snvP/P5GLQ8TQh5WSqdRaxDANW8AAA3egwEoytLsqvc=
 github.com/samber/slog-multi v1.0.0/go.mod h1:uLAvHpGqbYgX4FSL0p1ZwoLuveIAJvBECtE07XmYvFo=
+github.com/segmentio/asm v1.1.3 h1:WM03sfUOENvvKexOLp+pCqgb/WDjsi7EK8gIsICtzhc=
+github.com/segmentio/asm v1.1.3/go.mod h1:Ld3L4ZXGNcSLRg4JBsZ3//1+f/TjYl0Mzen/DQy1EJg=
+github.com/segmentio/encoding v0.4.0 h1:MEBYvRqiUB2nfR2criEXWqwdY6HJOUrCn5hboVOVmy8=
+github.com/segmentio/encoding v0.4.0/go.mod h1:/d03Cd8PoaDeceuhUUUQWjU0KhWjrmYrWPgtJHYZSnI=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966/go.mod h1:sUM3LWHvSMaG192sy56D9F7CNvL7jUJVXoqM1QKLnog=
diff --git a/httptunnel/local_conn.go b/httptunnel/local_conn.go
index d9d15d2b..2eadda91 100644
--- a/httptunnel/local_conn.go
+++ b/httptunnel/local_conn.go
@@ -17,6 +17,7 @@ import (
 	"github.com/nange/easyss/v2/log"
 	"github.com/nange/easyss/v2/util/bytespool"
 	"github.com/nange/easyss/v2/util/netpipe"
+	json2 "github.com/segmentio/encoding/json"
 )
 
 const (
@@ -209,7 +210,7 @@ func (l *LocalConn) Read(b []byte) (int, error) {
 		p := &pushPayload{}
 		_ = faker.FakeData(p)
 		p.Payload = base64.StdEncoding.EncodeToString(buf[:n])
-		payload, _ = json.Marshal(p)
+		payload, _ = json2.Marshal(p)
 	}
 
 	cn := copy(b, payload)
diff --git a/httptunnel/server.go b/httptunnel/server.go
index 60c274c9..571c3124 100644
--- a/httptunnel/server.go
+++ b/httptunnel/server.go
@@ -3,7 +3,6 @@ package httptunnel
 import (
 	"crypto/tls"
 	"encoding/base64"
-	"encoding/json"
 	"errors"
 	"io"
 	"net"
@@ -18,6 +17,7 @@ import (
 	"github.com/nange/easyss/v2/log"
 	"github.com/nange/easyss/v2/util/bytespool"
 	"github.com/nange/easyss/v2/util/netpipe"
+	"github.com/segmentio/encoding/json"
 )
 
 const RelayBufferSize = cipherstream.MaxCipherRelaySize