考虑skn无数据的情况

@@ -198,11 +198,11 @@ const component = {
             });
         } else {
             homeModel.recentPreviewNew(req.user.uid, 20).then(result => {
-                if(result.data&&result.data.product_list){
+                if (result.data && result.data.product_list) {
                     let sknarr = result.data.product_list.map(item=>item.product_skn);
 
                     return homeModel.getSknUrl(sknarr, result);
-                }else{
+                } else {
                     return result;
                 }