diff --git a/xCAT-UI/lib/display.php b/xCAT-UI/lib/display.php
index 04eb34a8c..e16e96e0e 100644
--- a/xCAT-UI/lib/display.php
+++ b/xCAT-UI/lib/display.php
@@ -125,7 +125,7 @@ echo <<<EOS4
    <li>
         <a href="help.php">Help</a>
         <ul>
-            <li><a href="#">Update</a></li>
+            <li><a href="update.php">Update</a></li>
             <li><a href="summary.php">Summary</a></li>
         </ul>
    </li>
diff --git a/xCAT-UI/summary.php b/xCAT-UI/summary.php
index 96b5bc1ff..a58a2c16b 100644
--- a/xCAT-UI/summary.php
+++ b/xCAT-UI/summary.php
@@ -33,14 +33,14 @@ require_once "$TOPDIR/lib/monitor_display.php";
 <div id="clusternav">
     <h5>Options</h5>
     <ul style="list-style-type:none">
-        <li><a href="#">Power control</a></li>
-        <li<a href="#">Vitals information</a></li>
-        <li><a href="#">OS Provision</a></li>
-        <li><a href="#">Configure xCAT Tables</a></li>
-        <li><a href="#">All Inverntories</a></li>
-        <li><a href="#">Remote Commands</a></li>
-        <li><a href="#">Monitor</a></li>
-        <li><a href="#">Syslog</a></li>
+        <li><a href="#" onclick="loadMainPage('control.php')">Power control</a></li>
+        <li<a href="#" onclick="loadMainPage('control.php')">Vitals information</a></li>
+        <li><a href="#" onclick="loadMainPage('provision.php')" >OS Provision</a></li>
+        <li><a href="#" onclick="loadMainPage('config.php')">Configure xCAT Tables</a></li>
+        <li><a href="#" onclick="loadMainPage('control.php')" >All Inverntories</a></li>
+        <li><a href="#" onclick="loadMainPage('control.php')" >Remote Commands</a></li>
+        <li><a href="#" onclick="loadMainPage('monitor/monlist.php')" >Monitor</a></li>
+        <li><a href="#" onclick="loadMainPage('monitor.php')" >Syslog</a></li>
         
     </ul>
 </div>
\ No newline at end of file
diff --git a/xCAT-UI/update.php b/xCAT-UI/update.php
new file mode 100644
index 000000000..cbb3fb11f
--- /dev/null
+++ b/xCAT-UI/update.php
@@ -0,0 +1,7 @@
+<?php
+/* 
+ * update.php
+ *
+ */
+echo "<p>update </p>";
+?>