diff --git a/server/config/config.go b/server/config/config.go
index 02acdce..a16f67e 100644
--- a/server/config/config.go
+++ b/server/config/config.go
@@ -1,13 +1,13 @@
 package config
 
 import (
+	"bytes"
 	"crypto/rand"
 	"encoding/base64"
 	"errors"
 	"fmt"
 	"log"
 	"os"
-	"strings"
 	"sync"
 	"time"
 
@@ -15,18 +15,6 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-const (
-	hwVersionFile = "/etc/kvm/hw"
-
-	gpioPower    = "/sys/class/gpio/gpio503/value"
-	gpioPowerLED = "/sys/class/gpio/gpio504/value"
-
-	gpioResetAlpha  = "/sys/class/gpio/gpio507/value"
-	gpioHDDLedAlpha = "/sys/class/gpio/gpio505/value"
-
-	gpioResetBeta = "/sys/class/gpio/gpio505/value"
-)
-
 var (
 	config Config
 	once   sync.Once
@@ -41,68 +29,83 @@ var (
 			Crt: "server.crt",
 			Key: "server.key",
 		},
-		Logger: LoggerConfig{
+		Logger: Logger{
 			Level: "info",
 			File:  "stdout",
 		},
 		Authentication: "enable",
-		SecretKey:      generateRandomString(),
 	}
 )
 
 func GetInstance() *Config {
-	once.Do(read)
+	once.Do(initialize)
 
 	return &config
 }
 
-func read() {
-	viper.SetConfigName("server")
-	viper.SetConfigType("yaml")
-	viper.AddConfigPath("/etc/kvm/")
-
-	if err := viper.ReadInConfig(); err != nil {
+func initialize() {
+	if err := readByFile(); err != nil {
 		if errors.As(err, &viper.ConfigFileNotFoundError{}) {
 			create()
-			log.Println("File /etc/kvm/server.yaml not found. Create a new one with default configuration.")
-		} else {
-			log.Println("Failed to read config file /etc/kvm/server.yaml. Using default configuration.")
 		}
+
+		if err = readByDefault(); err != nil {
+			log.Fatalf("Failed to read default configuration!")
+		}
+
+		log.Println("using default configuration")
+	}
+
+	if err := validate(); err != nil {
+		log.Fatalf("Failed to validate configuration!")
 	}
 
 	if err := viper.Unmarshal(&config); err != nil {
-		log.Fatalf("Failed to parse configuration file /etc/kvm/server.yaml: %s", err)
-	}
-
-	validate()
-
-	if config.SecretKey == "" {
-		config.SecretKey = defaultConfig.SecretKey
+		log.Fatalf("Failed to parse configuration: %s", err)
 	}
 
 	if config.Authentication == "disable" {
 		log.Println("NOTICE: Authentication is disabled! Please ensure your service is secure!")
 	}
 
-	log.Println("config loaded successfully")
-	config.HW.Version = getHwVersion()
-	config.HW.GPIOPower = gpioPower
-	config.HW.GPIOPowerLED = gpioPowerLED
-	switch config.HW.Version {
-	case HWVersionAlpha:
-		config.HW.GPIOHDDLed = gpioHDDLedAlpha
-		config.HW.GPIOReset = gpioResetAlpha
-	case HWVersionBeta:
-		config.HW.GPIOReset = gpioResetBeta
-	default:
-		log.Fatalf("Unsupported hardware version: %s", config.HW.Version)
+	if config.SecretKey == "" {
+		config.SecretKey = generateRandomString()
 	}
+
+	config.Hardware = getHardware()
+
+	log.Println("config loaded successfully")
 }
 
+func readByFile() error {
+	viper.SetConfigName("server")
+	viper.SetConfigType("yaml")
+	viper.AddConfigPath("/etc/kvm/")
+
+	return viper.ReadInConfig()
+}
+
+func readByDefault() error {
+	data, err := yaml.Marshal(defaultConfig)
+	if err != nil {
+		log.Printf("failed to marshal default config: %s", err)
+		return err
+	}
+
+	return viper.ReadConfig(bytes.NewBuffer(data))
+}
+
+// Create configuration file.
 func create() {
+	var (
+		file *os.File
+		data []byte
+		err  error
+	)
+
 	_ = os.MkdirAll("/etc/kvm", 0o644)
 
-	file, err := os.OpenFile("/etc/kvm/server.yaml", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o644)
+	file, err = os.OpenFile("/etc/kvm/server.yaml", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o644)
 	if err != nil {
 		log.Printf("open config failed: %s", err)
 		return
@@ -111,37 +114,39 @@ func create() {
 		_ = file.Close()
 	}()
 
-	data, err := yaml.Marshal(defaultConfig)
-	if err != nil {
+	if data, err = yaml.Marshal(defaultConfig); err != nil {
 		log.Printf("failed to marshal default config: %s", err)
 		return
 	}
 
-	_, err = file.Write(data)
-	if err != nil {
+	if _, err = file.Write(data); err != nil {
 		log.Printf("failed to save config: %s", err)
 		return
 	}
 
-	err = file.Sync()
-	if err != nil {
+	if err = file.Sync(); err != nil {
 		log.Printf("failed to sync config: %s", err)
 		return
 	}
+
+	log.Println("create file /etc/kvm/server.yaml with default configuration")
 }
 
-func validate() {
-	if config.Port.Http > 0 && config.Port.Https > 0 {
-		return
+// Validate the configuration. This is to ensure compatibility with earlier versions.
+func validate() error {
+	if viper.GetInt("port.http") > 0 && viper.GetInt("port.https") > 0 {
+		return nil
 	}
 
 	_ = os.Remove("/etc/kvm/server.yaml")
+	log.Println("delete empty configuration file")
 
-	if err := viper.Unmarshal(&config); err != nil {
-		log.Fatalf("Failed to read configuration file /etc/kvm/server.yaml: %v", err)
-	}
+	create()
+
+	return readByDefault()
 }
 
+// Generate random string for secret key.
 func generateRandomString() string {
 	b := make([]byte, 64)
 	_, err := rand.Read(b)
@@ -153,15 +158,3 @@ func generateRandomString() string {
 
 	return base64.URLEncoding.EncodeToString(b)
 }
-
-func getHwVersion() HWVersion {
-	content, err := os.ReadFile(hwVersionFile)
-	if err == nil {
-		version := strings.ReplaceAll(string(content), "\n", "")
-		if version == "beta" {
-			return HWVersionBeta
-		}
-	}
-
-	return HWVersionAlpha
-}
diff --git a/server/config/hardware.go b/server/config/hardware.go
new file mode 100644
index 0000000..e07836e
--- /dev/null
+++ b/server/config/hardware.go
@@ -0,0 +1,70 @@
+package config
+
+import (
+	"os"
+	"strings"
+
+	log "github.com/sirupsen/logrus"
+)
+
+type HWVersion int
+
+const (
+	HWVersionAlpha HWVersion = iota
+	HWVersionBeta
+)
+
+const (
+	hwVersionFile = "/etc/kvm/hw"
+
+	gpioPower    = "/sys/class/gpio/gpio503/value"
+	gpioPowerLED = "/sys/class/gpio/gpio504/value"
+
+	gpioResetAlpha  = "/sys/class/gpio/gpio507/value"
+	gpioHDDLedAlpha = "/sys/class/gpio/gpio505/value"
+
+	gpioResetBeta = "/sys/class/gpio/gpio505/value"
+)
+
+func (h HWVersion) String() string {
+	switch h {
+	case HWVersionAlpha:
+		return "Alpha"
+	case HWVersionBeta:
+		return "Beta"
+	default:
+		return "Unknown"
+	}
+}
+
+func getHwVersion() HWVersion {
+	content, err := os.ReadFile(hwVersionFile)
+	if err == nil {
+		version := strings.ReplaceAll(string(content), "\n", "")
+		if version == "beta" {
+			return HWVersionBeta
+		}
+	}
+
+	return HWVersionAlpha
+}
+
+func getHardware() Hardware {
+	h := Hardware{}
+
+	h.Version = getHwVersion()
+	h.GPIOPower = gpioPower
+	h.GPIOPowerLED = gpioPowerLED
+
+	switch h.Version {
+	case HWVersionAlpha:
+		h.GPIOHDDLed = gpioHDDLedAlpha
+		h.GPIOReset = gpioResetAlpha
+	case HWVersionBeta:
+		h.GPIOReset = gpioResetBeta
+	default:
+		log.Fatalf("Unsupported hardware version: %s", h.Version)
+	}
+
+	return h
+}
diff --git a/server/config/types.go b/server/config/types.go
index 9a5422b..6c0c089 100644
--- a/server/config/types.go
+++ b/server/config/types.go
@@ -1,43 +1,17 @@
 package config
 
-type HWVersion int
-
-const (
-	HWVersionAlpha HWVersion = iota
-	HWVersionBeta
-)
-
-func (h HWVersion) String() string {
-	switch h {
-	case HWVersionAlpha:
-		return "Alpha"
-	case HWVersionBeta:
-		return "Beta"
-	default:
-		return "Unknown"
-	}
-}
-
 type Config struct {
-	Protocol       string       `yaml:"proto"`
-	Port           Port         `yaml:"port"`
-	Cert           Cert         `yaml:"cert"`
-	Logger         LoggerConfig `yaml:"logger"`
-	Authentication string       `yaml:"authentication"`
-	SecretKey      string       `yaml:"secretKey"`
+	Protocol       string `yaml:"proto"`
+	Port           Port   `yaml:"port"`
+	Cert           Cert   `yaml:"cert"`
+	Logger         Logger `yaml:"logger"`
+	Authentication string `yaml:"authentication"`
+	SecretKey      string `yaml:"secretKey"`
 
-	HW HW `yaml:"-"`
+	Hardware Hardware `yaml:"-"`
 }
 
-type HW struct {
-	Version      HWVersion `yaml:"-"`
-	GPIOReset    string    `yaml:"-"`
-	GPIOPower    string    `yaml:"-"`
-	GPIOPowerLED string    `yaml:"-"`
-	GPIOHDDLed   string    `yaml:"-"`
-}
-
-type LoggerConfig struct {
+type Logger struct {
 	Level string `yaml:"level"`
 	File  string `yaml:"file"`
 }
@@ -51,3 +25,11 @@ type Cert struct {
 	Crt string `yaml:"crt"`
 	Key string `yaml:"key"`
 }
+
+type Hardware struct {
+	Version      HWVersion `yaml:"-"`
+	GPIOReset    string    `yaml:"-"`
+	GPIOPower    string    `yaml:"-"`
+	GPIOPowerLED string    `yaml:"-"`
+	GPIOHDDLed   string    `yaml:"-"`
+}
diff --git a/server/go.mod b/server/go.mod
index 7c0de76..cc3a566 100644
--- a/server/go.mod
+++ b/server/go.mod
@@ -9,11 +9,12 @@ require (
 	github.com/golang-jwt/jwt/v5 v5.2.1
 	github.com/gorilla/websocket v1.5.3
 	github.com/mervick/aes-everywhere/go/aes256 v0.0.0-20240803013625-6759956693c0
+	github.com/pion/webrtc/v4 v4.0.1
 	github.com/rs/cors/wrapper/gin v0.0.0-20240830163046-1084d89a1692
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/viper v1.19.0
 	github.com/unrolled/secure v1.15.0
-	golang.org/x/crypto v0.23.0
+	golang.org/x/crypto v0.28.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -28,6 +29,7 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
@@ -38,6 +40,21 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/pion/datachannel v1.5.9 // indirect
+	github.com/pion/dtls/v3 v3.0.3 // indirect
+	github.com/pion/ice/v4 v4.0.2 // indirect
+	github.com/pion/interceptor v0.1.37 // indirect
+	github.com/pion/logging v0.2.2 // indirect
+	github.com/pion/mdns/v2 v2.0.7 // indirect
+	github.com/pion/randutil v0.1.0 // indirect
+	github.com/pion/rtcp v1.2.14 // indirect
+	github.com/pion/rtp v1.8.9 // indirect
+	github.com/pion/sctp v1.8.33 // indirect
+	github.com/pion/sdp/v3 v3.0.9 // indirect
+	github.com/pion/srtp/v3 v3.0.4 // indirect
+	github.com/pion/stun/v3 v3.0.0 // indirect
+	github.com/pion/transport/v3 v3.0.7 // indirect
+	github.com/pion/turn/v4 v4.0.0 // indirect
 	github.com/rs/cors v1.11.0 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
@@ -48,13 +65,14 @@ require (
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.12 // indirect
+	github.com/wlynxg/anet v0.0.3 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
 	golang.org/x/arch v0.8.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
-	golang.org/x/net v0.25.0 // indirect
-	golang.org/x/sys v0.20.0 // indirect
-	golang.org/x/text v0.15.0 // indirect
+	golang.org/x/net v0.29.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/text v0.19.0 // indirect
 	google.golang.org/protobuf v1.34.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 )
diff --git a/server/go.sum b/server/go.sum
index bcb4ae3..a34a695 100644
--- a/server/go.sum
+++ b/server/go.sum
@@ -37,6 +37,8 @@ github.com/golang-jwt/jwt/v5 v5.2.1/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVI
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
@@ -68,6 +70,38 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
+github.com/pion/datachannel v1.5.9 h1:LpIWAOYPyDrXtU+BW7X0Yt/vGtYxtXQ8ql7dFfYUVZA=
+github.com/pion/datachannel v1.5.9/go.mod h1:kDUuk4CU4Uxp82NH4LQZbISULkX/HtzKa4P7ldf9izE=
+github.com/pion/dtls/v3 v3.0.3 h1:j5ajZbQwff7Z8k3pE3S+rQ4STvKvXUdKsi/07ka+OWM=
+github.com/pion/dtls/v3 v3.0.3/go.mod h1:weOTUyIV4z0bQaVzKe8kpaP17+us3yAuiQsEAG1STMU=
+github.com/pion/ice/v4 v4.0.2 h1:1JhBRX8iQLi0+TfcavTjPjI6GO41MFn4CeTBX+Y9h5s=
+github.com/pion/ice/v4 v4.0.2/go.mod h1:DCdqyzgtsDNYN6/3U8044j3U7qsJ9KFJC92VnOWHvXg=
+github.com/pion/interceptor v0.1.37 h1:aRA8Zpab/wE7/c0O3fh1PqY0AJI3fCSEM5lRWJVorwI=
+github.com/pion/interceptor v0.1.37/go.mod h1:JzxbJ4umVTlZAf+/utHzNesY8tmRkM2lVmkS82TTj8Y=
+github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
+github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
+github.com/pion/mdns/v2 v2.0.7 h1:c9kM8ewCgjslaAmicYMFQIde2H9/lrZpjBkN8VwoVtM=
+github.com/pion/mdns/v2 v2.0.7/go.mod h1:vAdSYNAT0Jy3Ru0zl2YiW3Rm/fJCwIeM0nToenfOJKA=
+github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
+github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
+github.com/pion/rtcp v1.2.14 h1:KCkGV3vJ+4DAJmvP0vaQShsb0xkRfWkO540Gy102KyE=
+github.com/pion/rtcp v1.2.14/go.mod h1:sn6qjxvnwyAkkPzPULIbVqSKI5Dv54Rv7VG0kNxh9L4=
+github.com/pion/rtp v1.8.9 h1:E2HX740TZKaqdcPmf4pw6ZZuG8u5RlMMt+l3dxeu6Wk=
+github.com/pion/rtp v1.8.9/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
+github.com/pion/sctp v1.8.33 h1:dSE4wX6uTJBcNm8+YlMg7lw1wqyKHggsP5uKbdj+NZw=
+github.com/pion/sctp v1.8.33/go.mod h1:beTnqSzewI53KWoG3nqB282oDMGrhNxBdb+JZnkCwRM=
+github.com/pion/sdp/v3 v3.0.9 h1:pX++dCHoHUwq43kuwf3PyJfHlwIj4hXA7Vrifiq0IJY=
+github.com/pion/sdp/v3 v3.0.9/go.mod h1:B5xmvENq5IXJimIO4zfp6LAe1fD9N+kFv+V/1lOdz8M=
+github.com/pion/srtp/v3 v3.0.4 h1:2Z6vDVxzrX3UHEgrUyIGM4rRouoC7v+NiF1IHtp9B5M=
+github.com/pion/srtp/v3 v3.0.4/go.mod h1:1Jx3FwDoxpRaTh1oRV8A/6G1BnFL+QI82eK4ms8EEJQ=
+github.com/pion/stun/v3 v3.0.0 h1:4h1gwhWLWuZWOJIJR9s2ferRO+W3zA/b6ijOI6mKzUw=
+github.com/pion/stun/v3 v3.0.0/go.mod h1:HvCN8txt8mwi4FBvS3EmDghW6aQJ24T+y+1TKjB5jyU=
+github.com/pion/transport/v3 v3.0.7 h1:iRbMH05BzSNwhILHoBoAPxoB9xQgOaJk+591KC9P1o0=
+github.com/pion/transport/v3 v3.0.7/go.mod h1:YleKiTZ4vqNxVwh77Z0zytYi7rXHl7j6uPLGhhz9rwo=
+github.com/pion/turn/v4 v4.0.0 h1:qxplo3Rxa9Yg1xXDxxH8xaqcyGUtbHYw4QSCvmFWvhM=
+github.com/pion/turn/v4 v4.0.0/go.mod h1:MuPDkm15nYSklKpN8vWJ9W2M0PlyQZqYt1McGuxG7mA=
+github.com/pion/webrtc/v4 v4.0.1 h1:6Unwc6JzoTsjxetcAIoWH81RUM4K5dBc1BbJGcF9WVE=
+github.com/pion/webrtc/v4 v4.0.1/go.mod h1:SfNn8CcFxR6OUVjLXVslAQ3a3994JhyE3Hw1jAuqEto=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -113,6 +147,8 @@ github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65E
 github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
 github.com/unrolled/secure v1.15.0 h1:q7x+pdp8jAHnbzxu6UheP8fRlG/rwYTb8TPuQ3rn9Og=
 github.com/unrolled/secure v1.15.0/go.mod h1:BmF5hyM6tXczk3MpQkFf1hpKSRqCyhqcbiQtiAF7+40=
+github.com/wlynxg/anet v0.0.3 h1:PvR53psxFXstc12jelG6f1Lv4MWqE0tI76/hHGjh9rg=
+github.com/wlynxg/anet v0.0.3/go.mod h1:eay5PRQr7fIVAMbTbchTnO9gG65Hg/uYGdc7mguHxoA=
 go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
@@ -120,21 +156,21 @@ go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTV
 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc=
 golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
-golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI=
-golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
+golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
+golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
-golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
-golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
+golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo=
+golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
-golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.20.0 h1:VnkxpohqXaOBYJtBmEppKUG6mXpi+4O6purfc2+sMhw=
-golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
-golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
-golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.25.0 h1:WtHI/ltw4NvSUig5KARz9h521QvRC8RmF/cuYqifU24=
+golang.org/x/term v0.25.0/go.mod h1:RPyXicDX+6vLxogjjRxjgD2TKtmAO6NZBsBRfrOLu7M=
+golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
+golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
 google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/server/router/application.go b/server/router/application.go
index 14007e7..1d59e39 100644
--- a/server/router/application.go
+++ b/server/router/application.go
@@ -1,15 +1,13 @@
 package router
 
 import (
-	"github.com/gin-gonic/gin"
-	log "github.com/sirupsen/logrus"
-
 	"NanoKVM-Server/middleware"
 	"NanoKVM-Server/service/application"
+
+	"github.com/gin-gonic/gin"
 )
 
 func applicationRouter(r *gin.Engine) {
-	log.Debugf("application router init")
 	service := application.NewService()
 	api := r.Group("/api").Use(middleware.CheckToken())
 
@@ -17,5 +15,4 @@ func applicationRouter(r *gin.Engine) {
 	api.POST("/application/update", service.Update)     // update application
 	api.GET("/application/lib", service.GetLib)         // check if lib exists
 	api.POST("/application/lib", service.UpdateLib)     // update lib
-	log.Debugf("application router init done")
 }
diff --git a/server/router/router.go b/server/router/router.go
index c61e171..6bb4322 100644
--- a/server/router/router.go
+++ b/server/router/router.go
@@ -7,11 +7,13 @@ import (
 
 	"github.com/gin-gonic/contrib/static"
 	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
 )
 
 func Init(r *gin.Engine) {
 	web(r)
 	server(r)
+	log.Debugf("router init done")
 }
 
 func web(r *gin.Engine) {
diff --git a/server/service/application/lib.go b/server/service/application/lib.go
index 58a24a3..e508305 100644
--- a/server/service/application/lib.go
+++ b/server/service/application/lib.go
@@ -1,6 +1,8 @@
 package application
 
 import (
+	"NanoKVM-Server/proto"
+	"NanoKVM-Server/utils"
 	"errors"
 	"fmt"
 	"net/http"
@@ -11,9 +13,6 @@ import (
 
 	"github.com/gin-gonic/gin"
 	log "github.com/sirupsen/logrus"
-
-	"NanoKVM-Server/proto"
-	"NanoKVM-Server/utils"
 )
 
 func (s *Service) GetLib(c *gin.Context) {
@@ -52,7 +51,7 @@ func (s *Service) UpdateLib(c *gin.Context) {
 		return
 	}
 
-	err := utils.MoveFile(temporary+"/"+libName, libDir+"/") // update lib
+	err := utils.MoveFile(temporary+"/"+libName, libDir+"/"+libName) // update lib
 	if err != nil {
 		rsp.ErrRsp(c, -2, "update lib failed")
 		return
diff --git a/server/service/hid/mouse.go b/server/service/hid/mouse.go
index c82d5c1..fe268c9 100644
--- a/server/service/hid/mouse.go
+++ b/server/service/hid/mouse.go
@@ -80,7 +80,7 @@ func (h *Hid) mouseMoveRelative(event []int) {
 }
 
 func (h *Hid) writeWithTimeout(file *os.File, data []byte) {
-	deadline := time.Now().Add(9 * time.Millisecond)
+	deadline := time.Now().Add(8 * time.Millisecond)
 	_ = file.SetWriteDeadline(deadline)
 
 	_, err := file.Write(data)
@@ -88,7 +88,7 @@ func (h *Hid) writeWithTimeout(file *os.File, data []byte) {
 		switch {
 		case errors.Is(err, os.ErrClosed):
 			log.Debugf("hid already closed, reopen it...")
-			h.Open()
+			h.OpenNoLock()
 		case errors.Is(err, os.ErrDeadlineExceeded):
 			log.Debugf("write to hid timeout")
 		default:
diff --git a/server/service/hid/operation.go b/server/service/hid/operation.go
index d07814f..3b84e63 100644
--- a/server/service/hid/operation.go
+++ b/server/service/hid/operation.go
@@ -61,7 +61,7 @@ func (h *Hid) Write(file *os.File, data []byte) {
 	if err != nil {
 		if errors.Is(err, os.ErrClosed) {
 			log.Debugf("hid already closed, reopen it...")
-			h.Open()
+			h.OpenNoLock()
 		} else {
 			log.Errorf("write to hid failed: %s", err)
 		}
diff --git a/server/service/hid/reset.go b/server/service/hid/reset.go
index 5a72c9b..703448f 100644
--- a/server/service/hid/reset.go
+++ b/server/service/hid/reset.go
@@ -1,12 +1,11 @@
 package hid
 
 import (
+	"NanoKVM-Server/proto"
 	"os"
 
 	"github.com/gin-gonic/gin"
 	log "github.com/sirupsen/logrus"
-
-	"NanoKVM-Server/proto"
 )
 
 func (s *Service) Reset(c *gin.Context) {
@@ -15,7 +14,7 @@ func (s *Service) Reset(c *gin.Context) {
 	defer s.hid.kbMutex.Unlock()
 
 	// reset USB
-	f, err := os.Open("/sys/kernel/config/usb_gadget/g0/UDC")
+	f, err := os.OpenFile("/sys/kernel/config/usb_gadget/g0/UDC", os.O_WRONLY, 0644)
 	if err != nil {
 		log.Errorf("open /sys/kernel/config/usb_gadget/g0/UDC failed: %s", err)
 		rsp.ErrRsp(c, -1, "open usb gadget file failed")
@@ -51,7 +50,7 @@ func (s *Service) Reset(c *gin.Context) {
 		return
 	}
 
-	f, err = os.Open("/sys/kernel/config/usb_gadget/g0/UDC")
+	f, err = os.OpenFile("/sys/kernel/config/usb_gadget/g0/UDC", os.O_WRONLY, 0644)
 	if err != nil {
 		log.Errorf("open /sys/kernel/config/usb_gadget/g0/UDC failed: %s", err)
 		rsp.ErrRsp(c, -1, "open usb gadget file failed")
diff --git a/server/service/vm/gpio.go b/server/service/vm/gpio.go
index b37ee58..b9e0283 100644
--- a/server/service/vm/gpio.go
+++ b/server/service/vm/gpio.go
@@ -26,9 +26,9 @@ func (s *Service) SetGpio(c *gin.Context) {
 
 	switch req.Type {
 	case "power":
-		device = s.config.HW.GPIOPower
+		device = s.config.Hardware.GPIOPower
 	case "reset":
-		device = s.config.HW.GPIOReset
+		device = s.config.Hardware.GPIOReset
 	default:
 		rsp.ErrRsp(c, -2, fmt.Sprintf("invalid power event: %s", req.Type))
 		return
@@ -53,15 +53,15 @@ func (s *Service) SetGpio(c *gin.Context) {
 func (s *Service) GetGpio(c *gin.Context) {
 	var rsp proto.Response
 
-	pwr, err := readGpio(s.config.HW.GPIOPowerLED)
+	pwr, err := readGpio(s.config.Hardware.GPIOPowerLED)
 	if err != nil {
 		rsp.ErrRsp(c, -2, fmt.Sprintf("failed to read power led: %s", err))
 		return
 	}
 
 	hdd := false
-	if s.config.HW.Version == config.HWVersionAlpha {
-		hdd, err = readGpio(s.config.HW.GPIOHDDLed)
+	if s.config.Hardware.Version == config.HWVersionAlpha {
+		hdd, err = readGpio(s.config.Hardware.GPIOHDDLed)
 		if err != nil {
 			rsp.ErrRsp(c, -2, fmt.Sprintf("failed to read hdd led: %s", err))
 			return
diff --git a/server/utils/unzip.go b/server/utils/unzip.go
index 922993c..bcc959e 100644
--- a/server/utils/unzip.go
+++ b/server/utils/unzip.go
@@ -25,7 +25,7 @@ func Unzip(filename string, dest string) error {
 			}
 		} else {
 			err = unzipFile(dstPath, f)
-			if err == nil {
+			if err != nil {
 				return err
 			}
 		}
diff --git a/web/src/api/application.ts b/web/src/api/application.ts
index d121719..1f6b451 100644
--- a/web/src/api/application.ts
+++ b/web/src/api/application.ts
@@ -21,5 +21,9 @@ export function getLib() {
 
 // download lib
 export function updateLib() {
-  return http.post('/api/application/lib');
+  return http.request({
+    method: 'post',
+    url: '/api/application/lib',
+    timeout: 15 * 60 * 1000
+  });
 }
diff --git a/web/src/pages/desktop/lib.tsx b/web/src/pages/desktop/lib.tsx
index 0ef6ecf..fcf663d 100644
--- a/web/src/pages/desktop/lib.tsx
+++ b/web/src/pages/desktop/lib.tsx
@@ -44,10 +44,10 @@ export const Lib = ({ setIsLoading, setTips }: LibProps) => {
         }
       })
       .finally(() => {
-        setIsLoading(false);
-        setTips('');
-
         setTimeout(() => {
+          setIsLoading(false);
+          setTips('');
+
           window.location.reload();
         }, 6000);
       });
diff --git a/web/src/pages/desktop/menu-phone/settings/update.tsx b/web/src/pages/desktop/menu-phone/settings/update.tsx
index 9e0f7a8..6d316a5 100644
--- a/web/src/pages/desktop/menu-phone/settings/update.tsx
+++ b/web/src/pages/desktop/menu-phone/settings/update.tsx
@@ -84,13 +84,11 @@ export const Update = ({ setIsBadgeVisible }: UpdateProps) => {
           setErrMsg(t('update.updateFailed'));
         }
       })
-      .catch(() => {
-        setErrMsg(t('update.updateFailed'));
-      })
       .finally(() => {
-        setIsUpdating(false);
-
         setTimeout(() => {
+          setIsUpdating(false);
+          setErrMsg('');
+
           window.location.reload();
         }, 6000);
       });
diff --git a/web/src/pages/desktop/menu/settings/update.tsx b/web/src/pages/desktop/menu/settings/update.tsx
index 9e0f7a8..6d316a5 100644
--- a/web/src/pages/desktop/menu/settings/update.tsx
+++ b/web/src/pages/desktop/menu/settings/update.tsx
@@ -84,13 +84,11 @@ export const Update = ({ setIsBadgeVisible }: UpdateProps) => {
           setErrMsg(t('update.updateFailed'));
         }
       })
-      .catch(() => {
-        setErrMsg(t('update.updateFailed'));
-      })
       .finally(() => {
-        setIsUpdating(false);
-
         setTimeout(() => {
+          setIsUpdating(false);
+          setErrMsg('');
+
           window.location.reload();
         }, 6000);
       });