start: function() {
        Backbone.history.start({pushState: true});
},
initialize: function() {
   $.ajaxPrefilter( function( options, originalOptions, jqXHR ) {
            options.url = options.url;
        });
   }

var _wl = new MyModel();
_wl.save(_item,{
         success: function(res) {
             console.log(res);
         }
});