diff --git a/public/javascripts/jupyter.js b/public/javascripts/jupyter.js
index c79346e6d..664fc5309 100644
--- a/public/javascripts/jupyter.js
+++ b/public/javascripts/jupyter.js
@@ -3,14 +3,14 @@
 
 var timebool=false;
 window.onload=function(){
-	console.log("开始发送消息了");
+	console.log("开始发送消息了1");
 	timebool=true;
 	runEvery10Sec();
 }
 
 function runEvery10Sec() {
 	// 1000 * 10 = 10 秒钟
-	console.log("每隔10秒中一次");
+	console.log("开始发送消息了2");
 	require(["base/js/namespace"],function(Jupyter) {
 		Jupyter.notebook.save_checkpoint();
 	});