diff --git a/custom/command_server.go b/custom/command_server.go
new file mode 100644
index 0000000..20f0093
--- /dev/null
+++ b/custom/command_server.go
@@ -0,0 +1,16 @@
+package main
+
+import "github.com/sagernet/sing-box/experimental/libbox"
+
+var commandServer *libbox.CommandServer
+
+type CommandServerHandler struct{}
+
+func (csh *CommandServerHandler) ServiceReload() error {
+	return nil
+}
+
+func startCommandServer() error {
+	commandServer = libbox.NewCommandServer(&CommandServerHandler{}, 300)
+	return commandServer.Start()
+}
diff --git a/custom/service.go b/custom/service.go
index be57350..b1e05bd 100644
--- a/custom/service.go
+++ b/custom/service.go
@@ -15,7 +15,6 @@ import (
 )
 
 var (
-	sBasePath    string
 	sWorkingPath string
 	sTempPath    string
 	sUserID      int
@@ -23,7 +22,7 @@ var (
 )
 
 func Setup(basePath string, workingPath string, tempPath string) {
-	sBasePath = basePath
+	libbox.Setup(basePath, workingPath, tempPath, false)
 	sWorkingPath = workingPath
 	sTempPath = tempPath
 	sUserID = os.Getuid()
diff --git a/go.mod b/go.mod
index bd386d0..b606f5d 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/sagernet/gomobile v0.0.0-20230728014906-3de089147f59
 	github.com/sagernet/sing v0.2.10-0.20230824115837-8d731e68853a
-	github.com/sagernet/sing-box v1.3.6
+	github.com/sagernet/sing-box v1.4.0-rc.1.0.20230824140328-442370093191
 	github.com/sagernet/sing-dns v0.1.9-0.20230824120133-4d5cbceb40c1
 	github.com/xmdhs/clash2singbox v0.0.0-20230827075945-bb6d561314bb
 	gopkg.in/yaml.v3 v3.0.1