diff --git a/pkg/chain/route.go b/pkg/chain/route.go
index 3d81935..033d4e9 100644
--- a/pkg/chain/route.go
+++ b/pkg/chain/route.go
@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"github.com/go-gost/gost/v3/pkg/common/net/dialer"
+	"github.com/go-gost/gost/v3/pkg/common/util/udp"
 	"github.com/go-gost/gost/v3/pkg/connector"
-	"github.com/go-gost/gost/v3/pkg/internal/util/udp"
 	"github.com/go-gost/gost/v3/pkg/logger"
 )
 
diff --git a/pkg/internal/util/udp/conn.go b/pkg/common/util/udp/conn.go
similarity index 100%
rename from pkg/internal/util/udp/conn.go
rename to pkg/common/util/udp/conn.go
diff --git a/pkg/internal/util/udp/listener.go b/pkg/common/util/udp/listener.go
similarity index 100%
rename from pkg/internal/util/udp/listener.go
rename to pkg/common/util/udp/listener.go
diff --git a/pkg/internal/util/udp/pool.go b/pkg/common/util/udp/pool.go
similarity index 100%
rename from pkg/internal/util/udp/pool.go
rename to pkg/common/util/udp/pool.go
diff --git a/pkg/connector/socks/v5/bind.go b/pkg/connector/socks/v5/bind.go
index 056224c..89714d3 100644
--- a/pkg/connector/socks/v5/bind.go
+++ b/pkg/connector/socks/v5/bind.go
@@ -6,10 +6,10 @@ import (
 	"net"
 
 	"github.com/go-gost/gosocks5"
-	"github.com/go-gost/gost/v3/pkg/common/util/mux"
+	"github.com/go-gost/gost/v3/pkg/common/util/udp"
 	"github.com/go-gost/gost/v3/pkg/connector"
+	"github.com/go-gost/gost/v3/pkg/internal/util/mux"
 	"github.com/go-gost/gost/v3/pkg/internal/util/socks"
-	"github.com/go-gost/gost/v3/pkg/internal/util/udp"
 	"github.com/go-gost/gost/v3/pkg/logger"
 )
 
diff --git a/pkg/connector/socks/v5/listener.go b/pkg/connector/socks/v5/listener.go
index 8881075..6409a40 100644
--- a/pkg/connector/socks/v5/listener.go
+++ b/pkg/connector/socks/v5/listener.go
@@ -5,7 +5,7 @@ import (
 	"net"
 
 	"github.com/go-gost/gosocks5"
-	"github.com/go-gost/gost/v3/pkg/common/util/mux"
+	"github.com/go-gost/gost/v3/pkg/internal/util/mux"
 	"github.com/go-gost/gost/v3/pkg/logger"
 )
 
diff --git a/pkg/handler/socks/v5/mbind.go b/pkg/handler/socks/v5/mbind.go
index 36a8fb8..c2e0eb9 100644
--- a/pkg/handler/socks/v5/mbind.go
+++ b/pkg/handler/socks/v5/mbind.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/go-gost/gosocks5"
 	netpkg "github.com/go-gost/gost/v3/pkg/common/net"
-	"github.com/go-gost/gost/v3/pkg/common/util/mux"
+	"github.com/go-gost/gost/v3/pkg/internal/util/mux"
 	"github.com/go-gost/gost/v3/pkg/logger"
 )
 
diff --git a/pkg/common/util/mux/mux.go b/pkg/internal/util/mux/mux.go
similarity index 100%
rename from pkg/common/util/mux/mux.go
rename to pkg/internal/util/mux/mux.go
diff --git a/pkg/listener/udp/listener.go b/pkg/listener/udp/listener.go
index b9f2476..3e8e199 100644
--- a/pkg/listener/udp/listener.go
+++ b/pkg/listener/udp/listener.go
@@ -4,7 +4,7 @@ import (
 	"net"
 
 	"github.com/go-gost/gost/v3/pkg/common/metrics"
-	"github.com/go-gost/gost/v3/pkg/internal/util/udp"
+	"github.com/go-gost/gost/v3/pkg/common/util/udp"
 	"github.com/go-gost/gost/v3/pkg/listener"
 	"github.com/go-gost/gost/v3/pkg/logger"
 	md "github.com/go-gost/gost/v3/pkg/metadata"