dropdown default value not working

[almas1992]

html code:

<sc-select
              ng-model="vm.singlePerson"
              sc-options="person as person.name for person in vm.people"
              placeholder="Select or search a person in the list...">
</sc-select>

js code:

vm.people = [
      {name: 'Adam', email: '[email protected]', age: 12, country: 'United States'},
      {name: 'Amalie', email: '[email protected]', age: 12, country: 'Argentina'},
      {name: 'Estefanía', email: '[email protected]', age: 21, country: 'Argentina'},
      {name: 'Adrian', email: '[email protected]', age: 21, country: 'Ecuador'},
      {name: 'Wladimir', email: '[email protected]', age: 30, country: 'Ecuador'},
      {name: 'Samantha', email: '[email protected]', age: 30, country: 'United States'},
      {name: 'Nicole', email: '[email protected]', age: 43, country: 'Colombia'},
      {name: 'Natasha', email: '[email protected]', age: 54, country: 'Ecuador'},
      {name: 'Michael', email: '[email protected]', age: 15, country: 'Colombia'},
      {name: 'Nicolás', email: '[email protected]', age: 43, country: 'Colombia'}
    ];
vm.singlePerson={name: 'Nicole', email: '[email protected]', age: 43, country: 'Colombia'};

when run the code , Nicole should be selected,but it`s not,there was Adam had selected.

[ghost]

Any solution of this issue ?