undefined-property

@@ -226,7 +226,7 @@ class IndexModel extends global.yoho.BaseModel {
                 inf.push(guangProcess.formatArticle(val, true, false, true));
             });
 
-            resu.guang.infos[curIndex].info = inf;
+            _.set(resu, `guang.infos[${curIndex}].info`, inf);
 
             return resu;