fix some lint warnings.

transport/internet/http/hub.go

@@ -108,12 +108,12 @@ func Listen(ctx context.Context, address net.Address, port net.Port, streamSetti
 	config := tls.ConfigFromStreamSettings(streamSettings)
 	if config == nil {
 		// return nil, newError("TLS must be enabled for http transport.").AtWarning()
-		h2s:=&http2.Server{}
+		h2s := &http2.Server{}
 
 		server := &http.Server{
 			Addr: serial.Concat(address, ":", port),
 			// TLSConfig:         config.GetTLSConfig(tls.WithNextProto("h2")),
-			Handler:            h2c.NewHandler(listener,h2s),
+			Handler:           h2c.NewHandler(listener, h2s),
 			ReadHeaderTimeout: time.Second * 4,
 		}
 
@@ -135,7 +135,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, streamSetti
 		}()
 
 		return listener, nil
-	} else {
+	}
 	server := &http.Server{
 		Addr:              serial.Concat(address, ":", port),
 		TLSConfig:         config.GetTLSConfig(tls.WithNextProto("h2")),
@@ -159,9 +159,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, streamSetti
 			newError("stoping serving TLS").Base(err).WriteToLog(session.ExportIDToError(ctx))
 		}
 	}()
-
 	return listener, nil
-	}
 }
 
 func init() {