diff --git a/service/xboard/service.go b/service/xboard/service.go
index de17112b..6f1e767c 100644
--- a/service/xboard/service.go
+++ b/service/xboard/service.go
@@ -104,6 +104,7 @@ type XNodeConfig struct {
 	ServerName     string          `json:"server_name,omitempty"`
 	ServerPortText string          `json:"server_port_text,omitempty"`
 	Network        string          `json:"network"`
+	Multiplex      *XMultiplexConfig `json:"multiplex,omitempty"`
 	NetworkSettings json.RawMessage `json:"network_settings"`
 	NetworkSettings_ json.RawMessage `json:"networkSettings"`
 
@@ -159,6 +160,7 @@ type XInnerConfig struct {
 	Dest            string          `json:"dest,omitempty"`
 	ServerName      string          `json:"server_name,omitempty"`
 	Network         string          `json:"network"`
+	Multiplex       *XMultiplexConfig `json:"multiplex,omitempty"`
 	NetworkSettings json.RawMessage `json:"network_settings"`
 	NetworkSettings_ json.RawMessage `json:"networkSettings"`
 	StreamSettings  json.RawMessage `json:"streamSettings"`
@@ -166,6 +168,22 @@ type XInnerConfig struct {
 	DownMbps        int             `json:"down_mbps"`
 }
 
+type XMultiplexConfig struct {
+	Enabled        bool           `json:"enabled"`
+	Protocol       string         `json:"protocol,omitempty"`
+	MaxConnections int            `json:"max_connections,omitempty"`
+	MinStreams     int            `json:"min_streams,omitempty"`
+	MaxStreams     int            `json:"max_streams,omitempty"`
+	Padding        bool           `json:"padding,omitempty"`
+	Brutal         *XBrutalConfig `json:"brutal,omitempty"`
+}
+
+type XBrutalConfig struct {
+	Enabled  bool `json:"enabled,omitempty"`
+	UpMbps   int  `json:"up_mbps,omitempty"`
+	DownMbps int  `json:"down_mbps,omitempty"`
+}
+
 type HttpNetworkConfig struct {
 	Header struct {
 		Type     string           `json:"type"`
@@ -403,6 +421,25 @@ func mergedTLSSettings(inner XInnerConfig, config *XNodeConfig) *XTLSSettings {
 	return tlsSettings
 }
 
+func buildInboundMultiplex(config *XMultiplexConfig) *option.InboundMultiplexOptions {
+	if config == nil || !config.Enabled {
+		return nil
+	}
+	var brutal *option.BrutalOptions
+	if config.Brutal != nil {
+		brutal = &option.BrutalOptions{
+			Enabled:  config.Brutal.Enabled,
+			UpMbps:   config.Brutal.UpMbps,
+			DownMbps: config.Brutal.DownMbps,
+		}
+	}
+	return &option.InboundMultiplexOptions{
+		Enabled: config.Enabled,
+		Padding: config.Padding,
+		Brutal:  brutal,
+	}
+}
+
 func (s *Service) Start(stage adapter.StartStage) error {
 	if stage != adapter.StartStateStart {
 		return nil
@@ -556,14 +593,22 @@ func (s *Service) setupNode() error {
 	if inner.Protocol == "" {
 		inner.Protocol = config.NodeType
 	}
+	portSource := ""
 	if inner.Port == 0 {
 		if inner.ServerPort != 0 {
 			inner.Port = inner.ServerPort
+			portSource = "inner.server_port"
 		} else if config.Port != 0 {
 			inner.Port = config.Port
+			portSource = "config.port"
 		} else {
 			inner.Port = config.ServerPort
+			if config.ServerPort != 0 {
+				portSource = "config.server_port"
+			}
 		}
+	} else {
+		portSource = "inner.port"
 	}
 	if inner.Cipher == "" {
 		inner.Cipher = config.Cipher
@@ -574,6 +619,9 @@ func (s *Service) setupNode() error {
 	if inner.Network == "" {
 		inner.Network = config.Network
 	}
+	if inner.Multiplex == nil {
+		inner.Multiplex = config.Multiplex
+	}
 	if len(inner.NetworkSettings) == 0 {
 		inner.NetworkSettings = config.NetworkSettings
 	}
@@ -714,6 +762,20 @@ func (s *Service) setupNode() error {
 	}
 
 	// ── Build inbound per protocol (matching V2bX core/sing/node.go) ──
+	multiplex := buildInboundMultiplex(inner.Multiplex)
+	s.logger.Info(
+		"Xboard node config resolved. protocol=", protocol,
+		", listen_ip=", inner.ListenIP,
+		", listen_port=", inner.Port,
+		" (source=", portSource, ")",
+		", inner_server_port=", inner.ServerPort,
+		", config_port=", config.Port,
+		", config_server_port=", config.ServerPort,
+		", network=", networkType,
+		", tls=", securityType,
+		", multiplex=", multiplex != nil,
+	)
+
 	var inboundOptions any
 	switch protocol {
 	case "vmess", "vless":
@@ -729,6 +791,7 @@ func (s *Service) setupNode() error {
 				InboundTLSOptionsContainer: option.InboundTLSOptionsContainer{
 					TLS: &tlsOptions,
 				},
+				Multiplex: multiplex,
 			}
 			if transport != nil {
 				opts.Transport = transport
@@ -740,6 +803,7 @@ func (s *Service) setupNode() error {
 				InboundTLSOptionsContainer: option.InboundTLSOptionsContainer{
 					TLS: &tlsOptions,
 				},
+				Multiplex: multiplex,
 			}
 			if transport != nil {
 				opts.Transport = transport
@@ -765,6 +829,7 @@ func (s *Service) setupNode() error {
 		ssOptions := &option.ShadowsocksInboundOptions{
 			ListenOptions: listen,
 			Method:        method,
+			Multiplex:     multiplex,
 		}
 
 		isSS2022 := strings.Contains(method, "2022")
@@ -805,6 +870,7 @@ func (s *Service) setupNode() error {
 			InboundTLSOptionsContainer: option.InboundTLSOptionsContainer{
 				TLS: &tlsOptions,
 			},
+			Multiplex: multiplex,
 		}
 		if transport != nil {
 			opts.Transport = transport
@@ -902,6 +968,7 @@ func (s *Service) setupNode() error {
 
 	// Remove old if exists
 	s.inboundManager.Remove(inboundTag)
+	s.logger.Info("Xboard creating inbound [", inboundTag, "] on ", inner.ListenIP, ":", inner.Port, " (protocol: ", protocol, ")")
 
 	// Create new inbound
 	err = s.inboundManager.Create(s.ctx, s.router, s.logger, inboundTag, protocol, inboundOptions)
@@ -983,6 +1050,12 @@ func (s *Service) fetchConfig() (*XNodeConfig, error) {
 		// Try unmarshaling WITHOUT "data" wrapper
 		var flatResult XNodeConfig
 		if err2 := json.Unmarshal(body, &flatResult); err2 == nil {
+			s.logger.Info(
+				"Xboard config fetched (flat). protocol=", flatResult.Protocol,
+				", node_type=", flatResult.NodeType,
+				", port=", flatResult.Port,
+				", server_port=", flatResult.ServerPort,
+			)
 			return &flatResult, nil
 		}
 		
@@ -995,6 +1068,12 @@ func (s *Service) fetchConfig() (*XNodeConfig, error) {
 	if result.Data.Protocol == "" && len(result.Data.ServerConfig) == 0 && len(result.Data.Config) == 0 && result.Data.NodeType == "" && result.Data.ServerPort == 0 {
 		s.logger.Error("Xboard config mapping failed (fields missing). Data: ", string(body))
 	}
+	s.logger.Info(
+		"Xboard config fetched. protocol=", result.Data.Protocol,
+		", node_type=", result.Data.NodeType,
+		", port=", result.Data.Port,
+		", server_port=", result.Data.ServerPort,
+	)
 	
 	return &result.Data, nil
 }
diff --git a/service/xboard/service_test.go b/service/xboard/service_test.go
index 3b6f52cc..3f51d183 100644
--- a/service/xboard/service_test.go
+++ b/service/xboard/service_test.go
@@ -93,3 +93,26 @@ func TestExpandNodeOptions(t *testing.T) {
 		t.Fatalf("second node = %+v", nodes[1])
 	}
 }
+
+func TestBuildInboundMultiplex(t *testing.T) {
+	config := &XMultiplexConfig{
+		Enabled: true,
+		Padding: true,
+		Brutal: &XBrutalConfig{
+			Enabled:  true,
+			UpMbps:   100,
+			DownMbps: 200,
+		},
+	}
+
+	got := buildInboundMultiplex(config)
+	if got == nil {
+		t.Fatal("buildInboundMultiplex() returned nil")
+	}
+	if !got.Enabled || !got.Padding {
+		t.Fatalf("buildInboundMultiplex() = %+v", got)
+	}
+	if got.Brutal == nil || !got.Brutal.Enabled || got.Brutal.UpMbps != 100 || got.Brutal.DownMbps != 200 {
+		t.Fatalf("buildInboundMultiplex() brutal = %+v", got.Brutal)
+	}
+}