diff --git a/conf/config.yaml b/conf/config.yaml
index 62003f6..365da21 100644
--- a/conf/config.yaml
+++ b/conf/config.yaml
@@ -14,6 +14,9 @@ admin:
   title: "RustDesk Api Admin"
   hello-file: "./conf/admin/hello.html"  #优先使用file
   hello: ""
+  # ID Server and Relay Server ports https://github.com/lejianwen/rustdesk-api/issues/257
+  id-server-port: 21116  # ID Server port (for server cmd)
+  relay-server-port: 21117 # ID Server port (for server cmd)
 gin:
   api-addr: "0.0.0.0:21114"
   mode: "release" #release,debug,test
diff --git a/config/config.go b/config/config.go
index b176d18..5bc1a17 100644
--- a/config/config.go
+++ b/config/config.go
@@ -25,9 +25,11 @@ type App struct {
 	BanThreshold     int           `mapstructure:"ban-threshold"`
 }
 type Admin struct {
-	Title     string `mapstructure:"title"`
-	Hello     string `mapstructure:"hello"`
-	HelloFile string `mapstructure:"hello-file"`
+	Title           string `mapstructure:"title"`
+	Hello           string `mapstructure:"hello"`
+	HelloFile       string `mapstructure:"hello-file"`
+	IdServerPort    int    `mapstructure:"id-server-port"`
+	RelayServerPort int    `mapstructure:"relay-server-port"`
 }
 type Config struct {
 	Lang     string `mapstructure:"lang"`
@@ -46,6 +48,15 @@ type Config struct {
 	Ldap     Ldap
 }
 
+func (a *Admin) Init() {
+	if a.IdServerPort == 0 {
+		a.IdServerPort = DefaultIdServerPort
+	}
+	if a.RelayServerPort == 0 {
+		a.RelayServerPort = DefaultRelayServerPort
+	}
+}
+
 // Init 初始化配置
 func Init(rowVal *Config, path string) *viper.Viper {
 	if path == "" {
@@ -80,7 +91,7 @@ func Init(rowVal *Config, path string) *viper.Viper {
 		panic(fmt.Errorf("Fatal error config: %s \n", err))
 	}
 	rowVal.Rustdesk.LoadKeyFile()
-	rowVal.Rustdesk.ParsePort()
+	rowVal.Admin.Init()
 	return v
 }
 
diff --git a/config/rustdesk.go b/config/rustdesk.go
index 2bc1c45..c93cf8f 100644
--- a/config/rustdesk.go
+++ b/config/rustdesk.go
@@ -2,8 +2,6 @@ package config
 
 import (
 	"os"
-	"strconv"
-	"strings"
 )
 
 const (
@@ -40,19 +38,3 @@ func (rd *Rustdesk) LoadKeyFile() {
 		return
 	}
 }
-func (rd *Rustdesk) ParsePort() {
-	// Parse port
-	idres := strings.Split(rd.IdServer, ":")
-	if len(idres) == 1 {
-		rd.IdServerPort = DefaultIdServerPort
-	} else if len(idres) == 2 {
-		rd.IdServerPort, _ = strconv.Atoi(idres[1])
-	}
-
-	relayres := strings.Split(rd.RelayServer, ":")
-	if len(relayres) == 1 {
-		rd.RelayServerPort = DefaultRelayServerPort
-	} else if len(relayres) == 2 {
-		rd.RelayServerPort, _ = strconv.Atoi(relayres[1])
-	}
-}
diff --git a/http/controller/admin/rustdesk.go b/http/controller/admin/rustdesk.go
index 4556692..6a354d1 100644
--- a/http/controller/admin/rustdesk.go
+++ b/http/controller/admin/rustdesk.go
@@ -119,7 +119,16 @@ func (r *Rustdesk) SendCmd(c *gin.Context) {
 		response.Fail(c, 101, response.TranslateMsg(c, "ParamsError"))
 		return
 	}
-	res, err := service.AllService.ServerCmdService.SendCmd(rc.Target, rc.Cmd, rc.Option)
+
+	port := 0
+	switch rc.Target {
+	case model.ServerCmdTargetIdServer:
+		port = global.Config.Admin.IdServerPort - 1
+	case model.ServerCmdTargetRelayServer:
+		port = global.Config.Admin.RelayServerPort
+	}
+
+	res, err := service.AllService.ServerCmdService.SendCmd(port, rc.Cmd, rc.Option)
 	if err != nil {
 		response.Fail(c, 101, err.Error())
 		return
diff --git a/service/serverCmd.go b/service/serverCmd.go
index 9f29499..4fbeb26 100644
--- a/service/serverCmd.go
+++ b/service/serverCmd.go
@@ -40,14 +40,7 @@ func (is *ServerCmdService) Create(u *model.ServerCmd) error {
 }
 
 // SendCmd 发送命令
-func (is *ServerCmdService) SendCmd(target string, cmd string, arg string) (string, error) {
-	port := 0
-	switch target {
-	case model.ServerCmdTargetIdServer:
-		port = Config.Rustdesk.IdServerPort - 1
-	case model.ServerCmdTargetRelayServer:
-		port = Config.Rustdesk.RelayServerPort
-	}
+func (is *ServerCmdService) SendCmd(port int, cmd string, arg string) (string, error) {
 	//组装命令
 	cmd = cmd + " " + arg
 	res, err := is.SendSocketCmd("v6", port, cmd)