diff --git a/superTornado.py b/superTornado.py
index 2718c84..8230417 100644
--- a/superTornado.py
+++ b/superTornado.py
@@ -120,7 +120,7 @@ class TestSocket(tornado.websocket.WebSocketHandler):
                 break
             else :
                 self.write_message(" ")
-            time.sleep(0.5)
+            time.sleep(2)
 
     def on_message(self,mesg):
         pass
diff --git a/test.html b/test.html
index 7a6c823..aa96f9e 100644
--- a/test.html
+++ b/test.html
@@ -8,6 +8,7 @@
         <script type="text/javascript" >
             var ws = new WebSocket ("ws://192.168.1.23/test");
             ws.onmessage = function (evt) {
+                console.log("data receive");
                 var str = "<img src='data:image/jpeg;base64,"+evt.data+"'>";
                 $('.image').html(str);
             }