diff --git a/app/views/home/index.html.erb b/app/views/home/index.html.erb
index 48e0c23..4b0ecd6 100644
--- a/app/views/home/index.html.erb
+++ b/app/views/home/index.html.erb
@@ -67,10 +67,10 @@
 <div class="wholeday room1 day_1 guide"></div>
 <div class="wholeday room1 day_3 guide"></div>
 
-<div class="track" id="17"><h2>Technical</h2><div id="qrcode" class="hidden"></div></div>
-<div class="track" id="22"><h2>OpenBiz</h2></div>
-<div class="track" id="18"><h2>Civic Hacking</h2></div>
-<div class="track" id="19"><h2>Social</h2></div>
-<div class="track" id="23"><h2>OpenArt</h2></div>
-<div class="track" id="20"><h2>Advanced Technical</h2></div>
-<div class="track" id="24"><h2>Education</h2></div>
+<div class="track" id="26"><h2>Technical</h2><div id="qrcode" class="hidden"></div></div>
+<div class="track" id="29"><h2>OpenBiz</h2></div>
+<div class="track" id="27"><h2>Civic Hacking</h2></div>
+<div class="track" id="31"><h2>Social</h2></div>
+<div class="track" id="30"><h2>OpenArt</h2></div>
+<div class="track" id="28"><h2>Advanced Technical</h2></div>
+<div class="track" id="32"><h2>Education</h2></div>