add watch config option

main.go

@@ -15,6 +15,7 @@ import (
 
 var (
 	configFile   = flag.String("config", "/etc/V2bX/config.yml", "Config file for V2bX.")
+	watch        = flag.Bool("watch", true, "Watch config file for changes.")
 	printVersion = flag.Bool("version", false, "show version")
 )
 
@@ -51,6 +52,7 @@ func main() {
 	if err != nil {
 		log.Panicf("run nodes error: %s", err)
 	}
+	if *watch {
 		err = config.Watch(*configFile, func() {
 			nodes.Close()
 			err = x.Restart(config)
@@ -66,6 +68,7 @@ func main() {
 		if err != nil {
 			log.Panicf("watch config file error: %s", err)
 		}
+	}
 	//Explicitly triggering GC to remove garbage from config loading.
 	runtime.GC()
 	// Running backend

node/controller/inbound.go

@@ -1,4 +1,3 @@
-// Package node the InbounderConfig used by add inbound
 package controller
 
 import (