fix: flag to output version info of bin

sshsvc/config/config.go

@@ -167,9 +167,9 @@ const DefaultConfigFile = "./etc/sshsvc.yaml"
 func init() {
 	cfile := flag.String("c", DefaultConfigFile, "config file")
 	pv := flag.Bool("v", false, "print version")
-	pversion := flag.Bool("version", false, "print version")
+	pversion := flag.Bool("-version", false, "print version")
 	ph := flag.Bool("h", false, "print help")
-	phelp := flag.Bool("help", false, "print help")
+	phelp := flag.Bool("-help", false, "print help")
 
 	flag.Parse()
 	if *pv || *pversion {