default send through value

config.go

@@ -46,3 +46,10 @@ func (this *OutboundConnectionConfig) GetTypedSettings() (interface{}, error) {
 	}
 	return this.GetSettings().GetInstance()
 }
+
+func (this *OutboundConnectionConfig) GetSendThroughValue() v2net.Address {
+	if this.GetSendThrough() == nil {
+		return v2net.AnyIP
+	}
+	return this.SendThrough.AsAddress()
+}

v2ray.go

@@ -111,7 +111,7 @@ func NewPoint(pConfig *Config) (*Point, error) {
 		outboundHandler, err := proxyregistry.CreateOutboundHandler(
 			outbound.Settings.Type, vpoint.space, outboundSettings, &proxy.OutboundHandlerMeta{
 				Tag:            outbound.Tag,
-				Address:        outbound.SendThrough.AsAddress(),
+				Address:        outbound.GetSendThroughValue(),
 				StreamSettings: outbound.StreamSettings,
 			})
 		if err != nil {