diff --git a/config/config.go b/config/config.go
index 457ce72f..c407aad5 100644
--- a/config/config.go
+++ b/config/config.go
@@ -218,6 +218,7 @@ type RawTun struct {
 	ExcludePackage         []string          `yaml:"exclude-package" json:"exclude_package,omitempty"`
 	EndpointIndependentNat bool              `yaml:"endpoint-independent-nat" json:"endpoint_independent_nat,omitempty"`
 	UDPTimeout             int64             `yaml:"udp-timeout" json:"udp_timeout,omitempty"`
+	FileDescriptor         int               `yaml:"file-descriptor" json:"file-descriptor"`
 }
 
 type RawTuicServer struct {
@@ -1239,6 +1240,7 @@ func parseTun(rawTun RawTun, general *General) error {
 		ExcludePackage:         rawTun.ExcludePackage,
 		EndpointIndependentNat: rawTun.EndpointIndependentNat,
 		UDPTimeout:             rawTun.UDPTimeout,
+		FileDescriptor:         rawTun.FileDescriptor,
 	}
 
 	return nil
diff --git a/hub/route/configs.go b/hub/route/configs.go
index 50e3cd13..afafe80e 100644
--- a/hub/route/configs.go
+++ b/hub/route/configs.go
@@ -80,6 +80,7 @@ type tunSchema struct {
 	ExcludePackage         *[]string          `yaml:"exclude-package" json:"exclude-package,omitempty"`
 	EndpointIndependentNat *bool              `yaml:"endpoint-independent-nat" json:"endpoint-independent-nat,omitempty"`
 	UDPTimeout             *int64             `yaml:"udp-timeout" json:"udp-timeout,omitempty"`
+	FileDescriptor         *int               `yaml:"file-descriptor" json:"file-descriptor"`
 }
 
 type tuicServerSchema struct {
@@ -169,6 +170,9 @@ func pointerOrDefaultTun(p *tunSchema, def LC.Tun) LC.Tun {
 		if p.UDPTimeout != nil {
 			def.UDPTimeout = *p.UDPTimeout
 		}
+		if p.FileDescriptor != nil {
+			def.FileDescriptor = *p.FileDescriptor
+		}
 	}
 	return def
 }
diff --git a/listener/config/tun.go b/listener/config/tun.go
index 2e1d1a71..50f5cf7d 100644
--- a/listener/config/tun.go
+++ b/listener/config/tun.go
@@ -95,4 +95,5 @@ type Tun struct {
 	ExcludePackage         []string       `yaml:"exclude-package" json:"exclude-package,omitempty"`
 	EndpointIndependentNat bool           `yaml:"endpoint-independent-nat" json:"endpoint-independent-nat,omitempty"`
 	UDPTimeout             int64          `yaml:"udp-timeout" json:"udp-timeout,omitempty"`
+	FileDescriptor         int            `yaml:"file-descriptor" json:"file-descriptor"`
 }
diff --git a/listener/inbound/tun.go b/listener/inbound/tun.go
index ad215989..eb16d2dd 100644
--- a/listener/inbound/tun.go
+++ b/listener/inbound/tun.go
@@ -33,6 +33,7 @@ type TunOption struct {
 	ExcludePackage         []string `inbound:"exclude_package,omitempty"`
 	EndpointIndependentNat bool     `inbound:"endpoint_independent_nat,omitempty"`
 	UDPTimeout             int64    `inbound:"udp_timeout,omitempty"`
+	FileDescriptor         int      `inbound:"file-descriptor,omitempty"`
 }
 
 func (o TunOption) Equal(config C.InboundConfig) bool {
@@ -96,6 +97,7 @@ func NewTun(options *TunOption) (*Tun, error) {
 			ExcludePackage:         options.ExcludePackage,
 			EndpointIndependentNat: options.EndpointIndependentNat,
 			UDPTimeout:             options.UDPTimeout,
+			FileDescriptor:         options.FileDescriptor,
 		},
 	}, nil
 }
diff --git a/listener/listener.go b/listener/listener.go
index d8eb5c0c..21dee51e 100644
--- a/listener/listener.go
+++ b/listener/listener.go
@@ -821,7 +821,8 @@ func hasTunConfigChange(tunConf *LC.Tun) bool {
 		LastTunConf.MTU != tunConf.MTU ||
 		LastTunConf.StrictRoute != tunConf.StrictRoute ||
 		LastTunConf.EndpointIndependentNat != tunConf.EndpointIndependentNat ||
-		LastTunConf.UDPTimeout != tunConf.UDPTimeout {
+		LastTunConf.UDPTimeout != tunConf.UDPTimeout ||
+		LastTunConf.FileDescriptor != tunConf.FileDescriptor {
 		return true
 	}
 
diff --git a/listener/sing_tun/server.go b/listener/sing_tun/server.go
index 06215c73..d7f42c98 100644
--- a/listener/sing_tun/server.go
+++ b/listener/sing_tun/server.go
@@ -212,6 +212,7 @@ func New(options LC.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- C.PacketAdapte
 		IncludeAndroidUser: options.IncludeAndroidUser,
 		IncludePackage:     options.IncludePackage,
 		ExcludePackage:     options.ExcludePackage,
+		FileDescriptor:     options.FileDescriptor,
 		InterfaceMonitor:   defaultInterfaceMonitor,
 		TableIndex:         2022,
 	}