diff --git a/be/app/api.go b/be/app/api.go
index 139ab88..1d64911 100644
--- a/be/app/api.go
+++ b/be/app/api.go
@@ -67,6 +67,8 @@ func ApiPost(w http.ResponseWriter, r *http.Request) {
 		DeleteMacro(w, r)
 	case "/macro/play":
 		PlayMacro("", w, r)
+	case "/device/server/ip":
+		GetServerIP(w, r)
 	case "/device/list":
 		DeviceList(w, r)
 	case "/device/access/check":
@@ -82,7 +84,6 @@ func ApiPost(w http.ResponseWriter, r *http.Request) {
 	case "/device/link/remove":
 		RemoveLink("", w, r)
 	case "/device/handshake":
-		log.Println("handshake")
 		Handshake(w, r)
 	case "/panel/list":
 		PanelList(w, r)
diff --git a/be/app/device.go b/be/app/device.go
index 90165db..d65af5f 100644
--- a/be/app/device.go
+++ b/be/app/device.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"log"
 	"math/rand"
+	"net"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -14,6 +15,34 @@ import (
 	"time"
 )
 
+func GetServerIP(w http.ResponseWriter, r *http.Request) {
+	ifs, err := net.Interfaces()
+	if err != nil {
+		log.Println(err)
+	}
+	for _, ifi := range ifs {
+		addrs, err := ifi.Addrs()
+		if err != nil {
+			log.Println(err)
+		}
+		for _, addr := range addrs {
+			var ip net.IP
+
+			switch v := addr.(type) {
+			case *net.IPNet:
+				ip = v.IP
+			case *net.IPAddr:
+				ip = v.IP
+			}
+
+			if ip != nil && ip.To4() != nil {
+				json.NewEncoder(w).Encode(ip.String())
+				return
+			}
+		}
+	}
+}
+
 func DeviceList(w http.ResponseWriter, r *http.Request) {
 	log.Println("device list")
 	dir := "devices"
@@ -29,7 +58,7 @@ func DeviceList(w http.ResponseWriter, r *http.Request) {
 		ext := filepath.Ext(filePath)
 		device := strings.TrimSuffix(file.Name(), ext)
 
-		log.Println(device, ext)
+		// log.Println(device, ext)
 
 		if _, ok := devices[device]; !ok {
 			devices[device] = make(map[string]interface{})
@@ -47,6 +76,8 @@ func DeviceList(w http.ResponseWriter, r *http.Request) {
 		"devices": devices,
 	}
 
+	log.Println(result)
+
 	json.NewEncoder(w).Encode(result)
 }
 
diff --git a/be/app/structs/api-struct.go b/be/app/structs/api-struct.go
index 1643cd9..c8cfbe5 100644
--- a/be/app/structs/api-struct.go
+++ b/be/app/structs/api-struct.go
@@ -12,6 +12,7 @@ var Endpoints = Allowed{
 		"/macro/list",
 		"/macro/delete",
 		"/macro/play",
+		"/device/server/ip",
 		"/device/list",
 		"/device/access/check",
 		"/device/access/request",
diff --git a/be/main.go b/be/main.go
index 6c02643..73f82fb 100644
--- a/be/main.go
+++ b/be/main.go
@@ -5,6 +5,7 @@ import (
 	"net/http"
 
 	"be/app"
+	"be/app/helper"
 )
 
 func main() {
@@ -12,7 +13,7 @@ func main() {
 		apiInit(w, r)
 	})
 
-	log.Println(http.ListenAndServe(":6970", nil))
+	log.Println(http.ListenAndServe(":"+helper.EnvGet("MCRM__PORT"), nil))
 }
 
 func apiInit(w http.ResponseWriter, r *http.Request) {