Ionic - on-swipe-right didn't fire to toggle side menu

I try to toggle the right side menu by using on-swipe-right, but it failed to toggle the side menu (but it works on on-swipe-left):

 <ion-view hide-nav-bar="true">
      <ion-content class="base-bg" scroll="false" on-swipe-left="toggleRightMeu()" on-swipe-right="toggleRightMeu()">
        <div id="divTest" style="top:0; right:0;position:absolute;">
          <button class="button button-icon icon ion-navicon" style="color:white;" ng-click="toggleRightMeu()"></button>
        </div>
        <div class="logo">
          <img src="img/logo.png" />
        </div>
        <form>
          <div class="list list-inset ui-login ui-lp">
            <label class="item login-item">
              <button class="button button-block button-positive" type="submit">Existing Customer</button>
            </label>
            <label class="item login-item">
              <button class="button button-block button-positive" type="submit" ng-click="goRegistrationStep1()">New Customer</button>
            </label>
          </div>
        </form>
      </ion-content>
    </ion-view>

And the controller:

.controller('testCtrl', function ($rootScope, $scope, $state, $stateParams, $ionicSideMenuDelegate, $timeout, $ionicNavBarDelegate, $ionicLoading, $http) 
{    
$scope.toggleRightMeu = function () { $ionicSideMenuDelegate.toggleRight(); 
};