diff --git a/public/javascripts/jupyter.js b/public/javascripts/jupyter.js
index a2de37ce5..7b2313139 100644
--- a/public/javascripts/jupyter.js
+++ b/public/javascripts/jupyter.js
@@ -8,5 +8,5 @@ $(function(){
 
 $(function(){
 	console.log("开始发送消息了");
-	window.parent.postMessage('message','*');
+	window.parent.postMessage('jupytermessage','*');
 })