Improve cmd

cmd/sing-box/cmd_check.go

@@ -16,6 +16,7 @@ var commandCheck = &cobra.Command{
 	Use:   "check",
 	Short: "Check configuration",
 	Run:   checkConfiguration,
+	Args:  cobra.NoArgs,
 }
 
 func checkConfiguration(cmd *cobra.Command, args []string) {

cmd/sing-box/cmd_format.go

@@ -18,6 +18,7 @@ var commandFormat = &cobra.Command{
 	Use:   "format",
 	Short: "Format configuration",
 	Run:   formatConfiguration,
+	Args:  cobra.NoArgs,
 }
 
 func init() {

cmd/sing-box/cmd_version.go

@@ -14,6 +14,7 @@ var commandVersion = &cobra.Command{
 	Use:   "version",
 	Short: "Print current version of sing-box",
 	Run:   printVersion,
+	Args:  cobra.NoArgs,
 }
 
 func printVersion(cmd *cobra.Command, args []string) {

cmd/sing-box/debug.go

@@ -5,8 +5,15 @@ package main
 import (
 	"net/http"
 	_ "net/http/pprof"
+
+	"github.com/sagernet/sing-box/log"
 )
 
 func init() {
-	go http.ListenAndServe("0.0.0.0:8964", nil)
+	go func() {
+		err := http.ListenAndServe("0.0.0.0:8964", nil)
+		if err != nil {
+			log.Debug(err)
+		}
+	}()
 }