Ionic __page view icon after login disapper

 $rootScope.$on('$stateChangeStart', function (event, next) {
var authorizedRoles = next.data.authorizedRoles;
var currentUser=userService.getCurrentUser();
	
if(authorizedRoles==USER_ROLES.admin && (currentUser.openid==null || currentUser.openid=="")){
  
	window.location.href="https://open.weixin.qq.com/connect/oauth2/authorize";


}

});

Open main page will validate permission ,if not login ,redirect to other system for validation ,then redirect to main page ,but icon disapper (screentshot),please help ,thanks!

This issue resolved ,due to css loading