
            this.set('route.path', '/art/list');
          }
        });
      },

      _equal: function(value1, value2) {
        return value1 === value2;
      },

      _updateArticle: function(articles, category, id) {
        if (!articles) {
          return;
        }
        for (var i=0, cat; cat=articles[i]; i++) {
          if (cat.name === category) {
            for (var j=0, article; article=cat.items[j]; j++) {
              if (article.id === id) {
                this.article = article;
