url - How can I deal with child route with params in angular 2? -

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when i'm in videocomponent url looks : app/video/9

here problem, want reach editcomponent when click tag (with routerlink) , rewrite url : app/video/9/users/3

this route config :

@routeconfig([           { path: '/video/:video_id/users/:user_id', component: edit, name: 'edit'},     { path: '/video/:video_id/', component: video, name: 'video'} )]

and routerlink : 

[routerlink]=" ['edit',{user_id:1}]"

what missing ?

ok, forgot directives in child editcomponent :

directives: [routeroutlet, routerlink]

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