diff --git a/public/javascripts/jupyter.js b/public/javascripts/jupyter.js
index 47fa61b80..021d46a2e 100644
--- a/public/javascripts/jupyter.js
+++ b/public/javascripts/jupyter.js
@@ -3,12 +3,14 @@
 
 
 $(function(){
-  console.log("educoder jupyter js init");
+	console.log("开始发送消息了");
+	runEvery10Sec();
 })
 
-
-$(function(){
-	console.log("开始发送消息了");
+function runEvery10Sec() {
+	// 1000 * 10 = 10 秒钟
+	console.log("每隔10秒中一次runEvery10Sec");
 	window.parent.postMessage('jupytermessage','*');
-})
+	setTimeout( runEvery10Sec, 1000 * 10 );
 
+}