diff --git a/chapter2/mysite/myapp/static/scripts/index.js b/chapter2/mysite/myapp/static/scripts/index.js
index c66f226..5ec6d67 100755
--- a/chapter2/mysite/myapp/static/scripts/index.js
+++ b/chapter2/mysite/myapp/static/scripts/index.js
@@ -3,6 +3,8 @@ var symptomName = last_month_day();
 $(function(){
 
     //更新抓取信息
+    setInterval(function(){
+
     $.ajax('/myapp/api/crawl_info.json').done(function(data){
         console.log(data);
         $('#crawl_info_total_count').html(data.total_count);
@@ -21,6 +23,8 @@ $(function(){
         $('#tasks_count').html(data.tasks);
     });
 
+    }, 1500);
+
 
   init();
   init2();