diff --git a/frontend/module/system/view/ldapform.html.php b/frontend/module/system/view/ldapform.html.php
index f06225a0..97c289d0 100644
--- a/frontend/module/system/view/ldapform.html.php
+++ b/frontend/module/system/view/ldapform.html.php
@@ -1,87 +1,88 @@
- <form id='LDAPForm' class='cell load-indicator main-form form-ajax'>
-   <h4>
-     <?php echo html::checkbox('enableLDAP', array('true' => $lang->system->ldapEnabled), 'true', (($ldapLinked or $activeLDAP) ? "onclick='return false;'" : '')); ?>
-   </h4>
-   <table class='table table-form'>
-     <tbody>
-       <tr>
-         <th><?php echo $lang->system->ldapSource;?></th>
-         <td class='required w-300px'><?php echo html::select('source', $lang->system->ldapTypeList, $activeLDAP,  ($ldapLinked ? 'disabled' : '') . " class='form-control'");?></td>
-         <td></td>
-       </tr>
-     </tbody>
-   </table>
-   <table id='quchengLDAP' class='table table-form'>
-     <tbody>
-       <tr>
-         <th><?php echo $lang->system->ldapUsername?></th>
-         <td><?php echo $ldapApp->account->username;?></td>
-       </tr>
-       <tr>
-         <th><?php echo $lang->system->ldapRoot;?></th>
-         <td><?php echo 'dc=quickon,dc=org';?></td>
-       <tr>
-     </tbody>
-   </table>
-   <div id='extraLDAP'>
-     <table class='table table-form'>
-       <tbody>
-         <tr>
-           <th><?php echo $lang->system->host;?></th>
-           <td class='required w-300px'><?php echo html::input('extra[host]', zget($ldapSettings, 'host', ''), "class='form-control required' placeholder='192.168.1.1'");?></td>
-             <td></td>
-         </tr>
-         <tr>
-           <th><?php echo $lang->system->port;?></th>
-           <td class='required'><?php echo html::input('extra[port]',  zget($ldapSettings, 'port', ''), "class='form-control' placeholder='389'");?></td>
-             <td></td>
-         </tr>
-         <tr>
-           <th><?php echo $lang->system->ldapUsername;?></th>
-           <td class='required'><?php echo html::input('extra[bindDN]', zget($ldapSettings, 'bindDN', ''), "class='form-control' placeholder='admin'");?></td>
-             <td></td>
-         </tr>
-         <tr>
-           <th><?php echo $lang->system->password;?></th>
-           <td class='required'><?php echo html::input('extra[bindPass]', zget($ldapSettings, 'bindPass', ''), "class='form-control' placeholder='******'");?></td>
-             <td></td>
-         </tr>
-         <tr>
-           <th><?php echo $lang->system->ldapRoot;?></th>
-           <td class='required'><?php echo html::input('extra[baseDN]', zget($ldapSettings, 'baseDN', ''), "class='form-control' placeholder='dc=quickon,dc=org'");?></td>
-             <td></td>
-         </tr>
-       </tbody>
-     </table>
-     <div class='advanced'><?php echo html::a("#advanced-settings", $lang->system->ldapAdvance . "<i class='icon icon-chevron-double-down'></i>", '', "data-toggle='collapse'");?></div>
-     <table class="collapse table table-form" id="advanced-settings">
-       <tbody>
-           <tr>
-             <th><?php echo $lang->system->filterUser;?></th>
-             <td class='w-300px'><?php echo html::input('extra[filter]', zget($ldapSettings, 'filter', '&(objectClass=posixAccount)(cn=%s)'), "class='form-control' placeholder='&(objectClass=posixAccount)(cn=%s)'");?></td>
-             <td></td>
-           </tr>
-           <tr>
-             <th><?php echo $lang->system->email;?></th>
-             <td class='w-300px'><?php echo html::input('extra[attrEmail]', zget($ldapSettings, 'attrEmail', 'mail'), "class='form-control' placeholder='mail'");?></td>
-             <td></td>
-           </tr>
-           <tr>
-             <th><?php echo $lang->system->extraAccount;?></th>
-             <td class='w-300px'><?php echo html::input('extra[attrUser]', zget($ldapSettings, 'attrUser', 'uid'), "class='form-control' placeholder='uid'");?></td>
-             <td></td>
-           </tr>
-       </tbody>
-     </table>
-     <table class='table table-form'>
-       <tbody>
-         <tr>
-           <td class='w-100px text-right'><?php echo html::commonButton($lang->system->connectLdap, "id='testConnectBtn'");?></td>
-           <td class='w-300px text-left'><span id='connectResult'></span></td>
-           <td></td>
-         </tr>
-       </tbody>
-     </table>
-   </div>
-   <div class='text-center form-actions'><?php echo html::submitButton($activeLDAP ? $lang->system->ldapUpdate : $lang->system->ldapInstall);?></div>
- </form>
+<form id='LDAPForm' class='cell load-indicator main-form form-ajax'>
+  <h4>
+    <?php $enableLDAP = $this->system->hasSystemLDAP();?>
+    <?php echo html::checkbox('enableLDAP', array('true' => $lang->system->ldapEnabled), $enableLDAP ? 'true' : '', (($ldapLinked or $activeLDAP) ? "onclick='return false;'" : '')); ?>
+  </h4>
+  <table class='table table-form'>
+    <tbody>
+      <tr>
+        <th><?php echo $lang->system->ldapSource;?></th>
+        <td class='required w-300px'><?php echo html::select('source', $lang->system->ldapTypeList, $activeLDAP,  ($ldapLinked ? 'disabled' : '') . " class='form-control'");?></td>
+        <td></td>
+      </tr>
+    </tbody>
+  </table>
+  <table id='quchengLDAP' class='table table-form'>
+    <tbody>
+      <tr>
+        <th><?php echo $lang->system->ldapUsername?></th>
+        <td><?php echo $ldapApp->account->username;?></td>
+      </tr>
+      <tr>
+        <th><?php echo $lang->system->ldapRoot;?></th>
+        <td><?php echo 'dc=quickon,dc=org';?></td>
+      <tr>
+    </tbody>
+  </table>
+  <div id='extraLDAP'>
+    <table class='table table-form'>
+      <tbody>
+        <tr>
+          <th><?php echo $lang->system->host;?></th>
+          <td class='required w-300px'><?php echo html::input('extra[host]', zget($ldapSettings, 'host', ''), "class='form-control required' placeholder='192.168.1.1'");?></td>
+            <td></td>
+        </tr>
+        <tr>
+          <th><?php echo $lang->system->port;?></th>
+          <td class='required'><?php echo html::input('extra[port]',  zget($ldapSettings, 'port', ''), "class='form-control' placeholder='389'");?></td>
+            <td></td>
+        </tr>
+        <tr>
+          <th><?php echo $lang->system->ldapUsername;?></th>
+          <td class='required'><?php echo html::input('extra[bindDN]', zget($ldapSettings, 'bindDN', ''), "class='form-control' placeholder='admin'");?></td>
+            <td></td>
+        </tr>
+        <tr>
+          <th><?php echo $lang->system->password;?></th>
+          <td class='required'><?php echo html::input('extra[bindPass]', zget($ldapSettings, 'bindPass', ''), "class='form-control' placeholder='******'");?></td>
+            <td></td>
+        </tr>
+        <tr>
+          <th><?php echo $lang->system->ldapRoot;?></th>
+          <td class='required'><?php echo html::input('extra[baseDN]', zget($ldapSettings, 'baseDN', ''), "class='form-control' placeholder='dc=quickon,dc=org'");?></td>
+            <td></td>
+        </tr>
+      </tbody>
+    </table>
+    <div class='advanced'><?php echo html::a("#advanced-settings", $lang->system->ldapAdvance . "<i class='icon icon-chevron-double-down'></i>", '', "data-toggle='collapse'");?></div>
+    <table class="collapse table table-form" id="advanced-settings">
+      <tbody>
+          <tr>
+            <th><?php echo $lang->system->filterUser;?></th>
+            <td class='w-300px'><?php echo html::input('extra[filter]', zget($ldapSettings, 'filter', '&(objectClass=posixAccount)(cn=%s)'), "class='form-control' placeholder='&(objectClass=posixAccount)(cn=%s)'");?></td>
+            <td></td>
+          </tr>
+          <tr>
+            <th><?php echo $lang->system->email;?></th>
+            <td class='w-300px'><?php echo html::input('extra[attrEmail]', zget($ldapSettings, 'attrEmail', 'mail'), "class='form-control' placeholder='mail'");?></td>
+            <td></td>
+          </tr>
+          <tr>
+            <th><?php echo $lang->system->extraAccount;?></th>
+            <td class='w-300px'><?php echo html::input('extra[attrUser]', zget($ldapSettings, 'attrUser', 'uid'), "class='form-control' placeholder='uid'");?></td>
+            <td></td>
+          </tr>
+      </tbody>
+    </table>
+    <table class='table table-form'>
+      <tbody>
+        <tr>
+          <td class='w-100px text-right'><?php echo html::commonButton($lang->system->connectLdap, "id='testConnectBtn'");?></td>
+          <td class='w-300px text-left'><span id='connectResult'></span></td>
+          <td></td>
+        </tr>
+      </tbody>
+    </table>
+  </div>
+  <div class='text-center form-actions'><?php echo html::submitButton($activeLDAP ? $lang->system->ldapUpdate : $lang->system->ldapInstall);?></div>
+</form>