fix

@@ -60,6 +60,7 @@ module.exports = class extends global.yoho.BaseModel {
 
         this.getNewProduct = _cached(this._getNewProduct, this);
         this.getGuangArticles = _cached(this._getGuangArticles, this);
+        this.getRecommendKeywords = _cached(this._getRecommendKeywords, this);
     }
 
     /**
@@ -250,12 +251,12 @@ module.exports = class extends global.yoho.BaseModel {
     }
 
     // 根据small_sort从redis获取分类下的关键词
-    getRecommendKeywords(smallSort) {
+    _getRecommendKeywords(smallSort) {
         return redis.all([['get', `global:yoho:seo:keywords:sortId:${smallSort}:page:1`]]).then(res => {
             return res[0];
         }).then(result => {
             return this._getKeywordsInfo(JSON.parse(result || '[]'));
-        })
+        });
     }
 
     // 返回6条推荐关键词页面