diff --git a/cmd/npc/npc.go b/cmd/npc/npc.go
index 45fa226..d4ec4bd 100644
--- a/cmd/npc/npc.go
+++ b/cmd/npc/npc.go
@@ -9,6 +9,7 @@ import (
 	"github.com/cnlh/nps/lib/common"
 	"github.com/cnlh/nps/lib/config"
 	"github.com/cnlh/nps/lib/file"
+	"github.com/cnlh/nps/lib/install"
 	"github.com/cnlh/nps/lib/version"
 	"github.com/kardianos/service"
 	"os"
@@ -90,6 +91,9 @@ func main() {
 		case "register":
 			flag.CommandLine.Parse(os.Args[2:])
 			client.RegisterLocalIp(*serverAddr, *verifyKey, *connType, *proxyUrl, *registerTime)
+		case "update":
+			install.UpdateNpc()
+			return
 		case "nat":
 			nat, host, err := stun.NewClient().Discover()
 			if err != nil || host == nil {
@@ -102,6 +106,9 @@ func main() {
 	}
 
 	if *srv != "" {
+		if *srv == "install" {
+			install.InstallNpc()
+		}
 		err := service.Control(s, *srv)
 		if err != nil {
 			logs.Error("Valid actions: %q\n", service.ControlAction, err.Error())
@@ -116,7 +123,7 @@ type npc struct {
 }
 
 func (p *npc) Start(s service.Service) error {
-	p.run()
+	go p.run()
 	return nil
 }
 func (p *npc) Stop(s service.Service) error {
diff --git a/cmd/nps/nps.go b/cmd/nps/nps.go
index 508cd40..95ddf9c 100644
--- a/cmd/nps/nps.go
+++ b/cmd/nps/nps.go
@@ -101,7 +101,7 @@ func main() {
 			}
 			return
 		case "update":
-			install.Update()
+			install.UpdateNps()
 			return
 		default:
 			logs.Error("command is not support")
diff --git a/go.mod b/go.mod
index 18cfc2e..141d73c 100644
--- a/go.mod
+++ b/go.mod
@@ -6,16 +6,17 @@ require (
 	fyne.io/fyne v1.2.0
 	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
 	github.com/astaxie/beego v1.12.0
+	github.com/bradfitz/iter v0.0.0-20190303215204-33e6a9893b0c // indirect
 	github.com/c4milo/unpackit v0.0.0-20170704181138-4ed373e9ef1c
 	github.com/ccding/go-stun v0.0.0-20180726100737-be486d185f3d
 	github.com/dsnet/compress v0.0.1 // indirect
 	github.com/go-ole/go-ole v1.2.4 // indirect
 	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db
-	github.com/kardianos/service v1.0.0 // indirect
+	github.com/hooklift/assert v0.0.0-20170704181755-9d1defd6d214 // indirect
+	github.com/kardianos/service v1.0.0
 	github.com/klauspost/cpuid v1.2.1 // indirect
 	github.com/klauspost/pgzip v1.2.1 // indirect
 	github.com/klauspost/reedsolomon v1.9.2 // indirect
-	github.com/luisiturrios/gowin v0.0.0-20150312095849-89dcf1aa3c14 // indirect
 	github.com/panjf2000/ants/v2 v2.2.2
 	github.com/pkg/errors v0.8.1
 	github.com/shiena/ansicolor v0.0.0-20151119151921-a422bbe96644 // indirect
diff --git a/go.sum b/go.sum
index 10b69da..a1c8f67 100644
--- a/go.sum
+++ b/go.sum
@@ -9,6 +9,8 @@ github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkK
 github.com/beego/goyaml2 v0.0.0-20130207012346-5545475820dd/go.mod h1:1b+Y/CofkYwXMUU0OhQqGvsY2Bvgr4j6jfT699wyZKQ=
 github.com/beego/x2j v0.0.0-20131220205130-a0352aadc542/go.mod h1:kSeGC/p1AbBiEp5kat81+DSQrZenVBZXklMLaELspWU=
 github.com/bradfitz/gomemcache v0.0.0-20180710155616-bc664df96737/go.mod h1:PmM6Mmwb0LSuEubjR8N7PtNe1KxZLtOUHtbeikc5h60=
+github.com/bradfitz/iter v0.0.0-20190303215204-33e6a9893b0c h1:FUUopH4brHNO2kJoNN3pV+OBEYmgraLT/KHZrMM69r0=
+github.com/bradfitz/iter v0.0.0-20190303215204-33e6a9893b0c/go.mod h1:PyRFw1Lt2wKX4ZVSQ2mk+PeDa1rxyObEDlApuIsUKuo=
 github.com/c4milo/unpackit v0.0.0-20170704181138-4ed373e9ef1c h1:aprLqMn7gSPT+vdDSl+/E6NLEuArwD/J7IWd8bJt5lQ=
 github.com/c4milo/unpackit v0.0.0-20170704181138-4ed373e9ef1c/go.mod h1:Ie6SubJv/NTO9Q0UBH0QCl3Ve50lu9hjbi5YJUw03TE=
 github.com/casbin/casbin v1.7.0/go.mod h1:c67qKN6Oum3UF5Q1+BByfFxkwKvhwW57ITjqwtzR1KE=
@@ -31,8 +33,6 @@ github.com/exfly/beego v1.12.0-export-init h1:VQNYKdXhAwZGUaFmQv8Aj921O3rQJZRIF8
 github.com/exfly/beego v1.12.0-export-init/go.mod h1:fysx+LZNZKnvh4GED/xND7jWtjCR6HzydR2Hh2Im57o=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/gen2brain/go-unarr v0.0.0-20190203132630-dd30f8db8e40 h1:rnd7FAy39Y3+YOboqzQmGj62n9lJMoMr1TlIc1FTd/o=
-github.com/gen2brain/go-unarr v0.0.0-20190203132630-dd30f8db8e40/go.mod h1:29wlntTq0xoOBDzoKlxLhCDh/G2GqMBam0P17/tMslE=
 github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7 h1:SCYMcCJ89LjRGwEa0tRluNRiMjZHalQZrVrvTbPh+qw=
 github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7/go.mod h1:482civXOzJJCPzJ4ZOX/pwvXBWSnzD4OKMdH4ClKGbk=
 github.com/go-gl/glfw v0.0.0-20181213070059-819e8ce5125f h1:7MsFMbSn8Lcw0blK4+NEOf8DuHoOBDhJsHz04yh13pM=
@@ -47,6 +47,8 @@ github.com/goki/freetype v0.0.0-20181231101311-fa8a33aabaff/go.mod h1:wfqRWLHRBs
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
+github.com/hooklift/assert v0.0.0-20170704181755-9d1defd6d214 h1:WgfvpuKg42WVLkxNwzfFraXkTXPK36bMqXvMFN67clI=
+github.com/hooklift/assert v0.0.0-20170704181755-9d1defd6d214/go.mod h1:kj6hFWqfwSjFjLnYW5PK1DoxZ4O0uapwHRmd9jhln4E=
 github.com/jackmordaunt/icns v0.0.0-20181231085925-4f16af745526/go.mod h1:UQkeMHVoNcyXYq9otUupF7/h/2tmHlhrS2zw7ZVvUqc=
 github.com/josephspurrier/goversioninfo v0.0.0-20190124120936-8611f5a5ff3f/go.mod h1:eJTEwMjXb7kZ633hO3Ln9mBUCOjX2+FlTljvpl9SYdE=
 github.com/kardianos/service v1.0.0 h1:HgQS3mFfOlyntWX8Oke98JcJLqt1DBcHR4kxShpYef0=
@@ -61,8 +63,6 @@ github.com/klauspost/pgzip v1.2.1/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQ
 github.com/klauspost/reedsolomon v1.9.2 h1:E9CMS2Pqbv+C7tsrYad4YC9MfhnMVWhMRsTi7U0UB18=
 github.com/klauspost/reedsolomon v1.9.2/go.mod h1:CwCi+NUr9pqSVktrkN+Ondf06rkhYZ/pcNv7fu+8Un4=
 github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
-github.com/luisiturrios/gowin v0.0.0-20150312095849-89dcf1aa3c14 h1:v2RpRAI7mSnyET19MZUU+3mi8S21HZHk2vBDYp1CClA=
-github.com/luisiturrios/gowin v0.0.0-20150312095849-89dcf1aa3c14/go.mod h1:I2wAi7YNrvMJWpvtZ7MOn1Q7B46zYRQKC8vXZF478z8=
 github.com/mattn/go-sqlite3 v1.10.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
diff --git a/lib/install/install.go b/lib/install/install.go
index ef07d95..66bb28b 100644
--- a/lib/install/install.go
+++ b/lib/install/install.go
@@ -16,15 +16,25 @@ import (
 	"strings"
 )
 
-func Update() {
-	downloadLatest()
+func UpdateNps() {
+	destPath := downloadLatest("server")
+	//复制文件到对应目录
+	copyStaticFile(destPath, "nps")
+	fmt.Println("Update completed, please restart")
+}
+
+func UpdateNpc() {
+	destPath := downloadLatest("client")
+	//复制文件到对应目录
+	copyStaticFile(destPath, "npc")
+	fmt.Println("Update completed, please restart")
 }
 
 type release struct {
 	TagName string `json:"tag_name"`
 }
 
-func downloadLatest() {
+func downloadLatest(bin string) string {
 	// get version
 	data, err := http.Get("https://api.github.com/repos/cnlh/nps/releases/latest")
 	if err != nil {
@@ -38,7 +48,7 @@ func downloadLatest() {
 	json.Unmarshal(b, &rl)
 	version := rl.TagName
 	fmt.Println("the latest version is", version)
-	filename := runtime.GOOS + "_" + runtime.GOARCH + "_server" + ".tar.gz"
+	filename := runtime.GOOS + "_" + runtime.GOARCH + "_" + bin + ".tar.gz"
 	// download latest package
 	downloadUrl := fmt.Sprintf("https://github.com/cnlh/nps/releases/download/%s/%s", version, filename)
 	fmt.Println("download package from ", downloadUrl)
@@ -50,47 +60,63 @@ func downloadLatest() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	destPath = strings.Replace(destPath, "/web", "", -1)
-	destPath = strings.Replace(destPath, `\web`, "", -1)
-	destPath = strings.Replace(destPath, "/views", "", -1)
-	destPath = strings.Replace(destPath, `\views`, "", -1)
-	//复制文件到对应目录
-	copyStaticFile(destPath)
-	fmt.Println("Update completed, please restart")
+	if bin == "server" {
+		destPath = strings.Replace(destPath, "/web", "", -1)
+		destPath = strings.Replace(destPath, `\web`, "", -1)
+		destPath = strings.Replace(destPath, "/views", "", -1)
+		destPath = strings.Replace(destPath, `\views`, "", -1)
+	} else {
+		destPath = strings.Replace(destPath, `\conf`, "", -1)
+		destPath = strings.Replace(destPath, "/conf", "", -1)
+	}
+	return destPath
 }
 
-func copyStaticFile(srcPath string) string {
+func copyStaticFile(srcPath, bin string) string {
 	path := common.GetInstallPath()
-	//复制文件到对应目录
-	if err := CopyDir(filepath.Join(srcPath, "web", "views"), filepath.Join(path, "web", "views")); err != nil {
-		log.Fatalln(err)
+	if bin == "nps" {
+		//复制文件到对应目录
+		if err := CopyDir(filepath.Join(srcPath, "web", "views"), filepath.Join(path, "web", "views")); err != nil {
+			log.Fatalln(err)
+		}
+		chMod(filepath.Join(path, "web", "views"), 0766)
+		if err := CopyDir(filepath.Join(srcPath, "web", "static"), filepath.Join(path, "web", "static")); err != nil {
+			log.Fatalln(err)
+		}
+		chMod(filepath.Join(path, "web", "static"), 0766)
 	}
-	chMod(filepath.Join(path, "web", "views"), 0766)
-	if err := CopyDir(filepath.Join(srcPath, "web", "static"), filepath.Join(path, "web", "static")); err != nil {
-		log.Fatalln(err)
-	}
-	chMod(filepath.Join(path, "web", "static"), 0766)
 	binPath, _ := filepath.Abs(os.Args[0])
 	if !common.IsWindows() {
-		if _, err := copyFile(filepath.Join(srcPath, "nps"), "/usr/bin/nps"); err != nil {
-			if _, err := copyFile(filepath.Join(srcPath, "nps"), "/usr/local/bin/nps"); err != nil {
+		if _, err := copyFile(filepath.Join(srcPath, bin), "/usr/bin/"+bin); err != nil {
+			if _, err := copyFile(filepath.Join(srcPath, bin), "/usr/local/bin/"+bin); err != nil {
 				log.Fatalln(err)
 			} else {
-				copyFile(filepath.Join(srcPath, "nps"), "/usr/local/bin/nps-update")
-				binPath = "/usr/local/bin/nps"
+				copyFile(filepath.Join(srcPath, "nps"), "/usr/local/bin/"+bin+"-update")
+				binPath = "/usr/local/bin/" + bin
 			}
 		} else {
-			copyFile(filepath.Join(srcPath, "nps"), "/usr/bin/nps-update")
-			binPath = "/usr/bin/nps"
+			copyFile(filepath.Join(srcPath, "nps"), "/usr/bin/"+bin+"-update")
+			binPath = "/usr/bin/" + bin
 		}
 	} else {
-		copyFile(filepath.Join(srcPath, "nps.exe"), filepath.Join(common.GetAppPath(), "nps-update.exe"))
-		copyFile(filepath.Join(srcPath, "nps.exe"), filepath.Join(common.GetAppPath(), "nps.exe"))
+		copyFile(filepath.Join(srcPath, bin+".exe"), filepath.Join(common.GetAppPath(), bin+"-update.exe"))
+		copyFile(filepath.Join(srcPath, bin+".exe"), filepath.Join(common.GetAppPath(), bin+".exe"))
 	}
 	chMod(binPath, 0755)
 	return binPath
 }
 
+func InstallNpc() {
+	path := common.GetInstallPath()
+	if !common.FileExists(path) {
+		err := os.Mkdir(path, 0755)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+	copyStaticFile(common.GetAppPath(), "npc")
+}
+
 func InstallNps() string {
 	path := common.GetInstallPath()
 	if common.FileExists(path) {
@@ -103,7 +129,7 @@ func InstallNps() string {
 		}
 		chMod(filepath.Join(path, "conf"), 0766)
 	}
-	binPath := copyStaticFile(common.GetAppPath())
+	binPath := copyStaticFile(common.GetAppPath(), "nps")
 	log.Println("install ok!")
 	log.Println("Static files and configuration files in the current directory will be useless")
 	log.Println("The new configuration file is located in", path, "you can edit them")