FlowRouter.url don't work with port in `Production Mode`

help
1

I use Flow Router to create the breadcrumb.

var url = FlowRouter.url(route, paramAndQuery.params, paramAndQuery.queryParams);
.....

It work fine on Dev Mode.
But don’t work on Production Mode, if have PORT

Ex: 1.2.3.4:9090/...
2

Now I used FlowRouter.path() is work fine.