setRoot From a tabs to another tabs lazyload

i have 2 tabs
tabs1: LoginPage + RegisterPage
tabs2: ContactPage + HomePage + SearchPage
i’m using Lazyload.
from tabs1 in page LoginPage, after i used'Tabs2');
tabs1 icon’s will be disappear and tabs2 icons will be appear. but content page will not and still showing LoginPage from tabs1.
what can i do!?