Improve cmd

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)
+		}
+	}()
 }