angularjs – angular ui-router嵌套解析无法解析

var myapp = angular.module('myapp',["ui.router"])
myapp.config(function($stateProvider,$urlRouterProvider){

  // For any unmatched url,send to /route1
  $urlRouterProvider.otherwise("/route1")
  try{
  $stateProvider
  .state('contacts',{
    templateUrl: 'contacts.html',controller: function($scope,service1){
        $scope.title = service1.getData()
    },resolve:{
      titlePromise:function(service1){
      return service1.myPromise
    }}
  })
  .state('contacts.list',{
    templateUrl: 'contacts.list.html',service2){
        $scope.contacts = service2.getData();
    },resolve:{
      contactPromise:function(service2){return service2.myPromise}
    }
  });
  }catch(e){
    alert.log(e);
  }
});

服务定义如下.

myapp.factory('service1',['$q',function($q){
  var title = 'Not Yet';
  var _promise = $q.defer();
  setTimeout(function(){

    title='My Contacts';
    _promise.resolve(true);
  },100);

  return {
    getData:function(){return title},myPromise: _promise.promise
  }
}]);

myapp.factory('service2','service1',function($q,service1){

  var data =  [];
  var _promise = $q.defer();
  setTimeout(function(){
    service1.myPromise.then(function(){
      data=[{ name: 'Alice' },{ name: 'Bob' }];
      _promise.resolve(true);
    })
  },100);
  return{
    getData:function(){return data},myPromise:_promise
  }
}]);

我需要service2等到服务1返回其数据才能完成其请求.我设置它的方式似乎不起作用.我做错了什么？如果有更好的方法来设置我的应用程序任何建议表示赞赏.我修改了ui-view嵌套视图demo plunker her：plnkr