Merge branch 'release/wap-optim' of git.yoho.cn:fe/yohobuywap-node into release/wap-optim

@@ -182,7 +182,7 @@ const search = (req, res, next) => {
     params.isApp = req.yoho.isApp;
     searchModel.getSearchData(params).then((result) => {
 
-        if (parseInt(params.page) === 1 && parseInt(params.start) > 0) {
+        if (result && result.list && parseInt(params.page) === 1 && parseInt(params.start) > 0) {
             // 首屏渲染时，使用 'start' 参数裁减已渲染数据
             result.list = result.list.slice(params.start || 0);
         }