Merge remote-tracking branch 'Pro-Plus/with-tun' into Alpha

# Conflicts:
#	README.md
#	adapter/outbound/trojan.go
#	adapter/outbound/vless.go
#	transport/trojan/trojan.go

main.go

@@ -106,13 +106,9 @@ func main() {
 		log.Fatalln("Parse config error: %s", err.Error())
 	}
 
+	defer executor.Shutdown()
+
 	sigCh := make(chan os.Signal, 1)
 	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
 	<-sigCh
-
-	// cleanup
-	log.Warnln("Clash cleanup")
-	hub.Cleanup()
-
-	log.Warnln("Clash shutting down")
 }