diff --git a/chapter2/mysite/myapp/static/scripts/index.js b/chapter2/mysite/myapp/static/scripts/index.js
index 021807f..32fee79 100755
--- a/chapter2/mysite/myapp/static/scripts/index.js
+++ b/chapter2/mysite/myapp/static/scripts/index.js
@@ -9,6 +9,7 @@ $(function(){
     //更新抓取信息
     setInterval(function(){
         $.ajax('/myapp/api/news.json').done(function(datas){
+            var datas = JSON.parse(datas);
             for(var i =0; i < datas.length; ++i){
                 var data = datas[i];