$ionicModal 中的search input 无法获取输入框的内容

Question

    <input type="search" placeholder="搜索" ng-model="searchName1" ng-keyup="myKeyup($event)">


$ionicModal.fromTemplateUrl('bindyezhu.html', {
      scope: $scope
    }).then(function (modal) {
      $scope.modal = modal;
      });