diff --git a/cmd/edge-admin/main.go b/cmd/edge-admin/main.go
index 36bc0eec..a1b4ec1b 100644
--- a/cmd/edge-admin/main.go
+++ b/cmd/edge-admin/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"flag"
 	"fmt"
 	"github.com/TeaOSLab/EdgeAdmin/internal/apps"
 	"github.com/TeaOSLab/EdgeAdmin/internal/configs"
@@ -24,7 +25,7 @@ func main() {
 	var app = apps.NewAppCmd().
 		Version(teaconst.Version).
 		Product(teaconst.ProductName).
-		Usage(teaconst.ProcessName+" [-v|start|stop|restart|service|daemon|reset|recover|demo|upgrade]").
+		Usage(teaconst.ProcessName+" [-h|-v|start|stop|restart|service|daemon|reset|recover|demo|upgrade]").
 		Usage(teaconst.ProcessName+" [dev|prod]").
 		Option("-h", "show this help").
 		Option("-v", "show version").
@@ -38,7 +39,7 @@ func main() {
 		Option("demo", "switch to demo mode").
 		Option("dev", "switch to 'dev' mode").
 		Option("prod", "switch to 'prod' mode").
-		Option("upgrade", "upgrade from official site")
+		Option("upgrade [--url=URL]", "upgrade from official site or an url")
 
 	app.On("daemon", func() {
 		nodes.NewAdminNode().Daemon()
@@ -138,7 +139,12 @@ func main() {
 		}
 	})
 	app.On("upgrade", func() {
-		var manager = utils.NewUpgradeManager("admin")
+		var downloadURL = ""
+		var flagSet = flag.NewFlagSet("", flag.ContinueOnError)
+		flagSet.StringVar(&downloadURL, "url", "", "new version download url")
+		_ = flagSet.Parse(os.Args[2:])
+
+		var manager = utils.NewUpgradeManager("admin", downloadURL)
 		log.Println("checking latest version ...")
 		var ticker = time.NewTicker(1 * time.Second)
 		go func() {
diff --git a/internal/utils/upgrade_manager.go b/internal/utils/upgrade_manager.go
index 274803ad..96432366 100644
--- a/internal/utils/upgrade_manager.go
+++ b/internal/utils/upgrade_manager.go
@@ -52,11 +52,14 @@ type UpgradeManager struct {
 	writer        *UpgradeFileWriter
 	body          io.ReadCloser
 	isCancelled   bool
+
+	downloadURL string
 }
 
-func NewUpgradeManager(component string) *UpgradeManager {
+func NewUpgradeManager(component string, downloadURL string) *UpgradeManager {
 	return &UpgradeManager{
-		component: component,
+		component:   component,
+		downloadURL: downloadURL,
 		client: &http.Client{
 			Transport: &http.Transport{
 				TLSClientConfig: &tls.Config{
@@ -96,8 +99,8 @@ func (this *UpgradeManager) Start() error {
 	}
 
 	// 检查新版本
-	var downloadURL = ""
-	{
+	var downloadURL = this.downloadURL
+	if len(downloadURL) == 0 {
 		var url = teaconst.UpdatesURL
 		var osName = runtime.GOOS
 		if Tea.IsTesting() && osName == "darwin" {