diff --git a/module/admin/control.php b/module/admin/control.php
index 967b5101e5..78a15bbbe0 100644
--- a/module/admin/control.php
+++ b/module/admin/control.php
@@ -172,7 +172,7 @@ class admin extends control
         {
             $data = fixer::input('post')->get();
             $this->loadModel('setting')->setItems('system.common.safe', $data);
-            die(js::reload('parent'));
+            $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => 'reload'));
         }
         $this->view->title      = $this->lang->admin->safe->common . $this->lang->colon . $this->lang->admin->safe->set;
         $this->view->position[] = $this->lang->admin->safe->common;
diff --git a/module/admin/view/safe.html.php b/module/admin/view/safe.html.php
index e9fcfd1fc4..c13c7388f1 100644
--- a/module/admin/view/safe.html.php
+++ b/module/admin/view/safe.html.php
@@ -19,7 +19,7 @@
 </div>
 <div id='mainContent' class='main-content'>
   <div class='center-block mw-800px'>
-    <form method='post' target='hiddenwin'>
+    <form class="load-indicator main-form form-ajax" method='post'>
       <table class='table table-form'>
         <tr>
           <th style='width:130px'><?php echo $lang->admin->safe->password?></th>
@@ -36,7 +36,7 @@
         </tr>
         <tr>
           <th><?php echo $lang->admin->safe->weak?></th>
-          <td colspan='2'><?php echo html::textarea('weak', $config->safe->weak, "class='form-control' rows='4'")?></td>
+          <td colspan='2'><?php echo html::textarea('weak', $config->safe->weak, "class='form-control' style='height:100px'")?></td>
         </tr>
         <tr>
           <th><?php echo $lang->admin->safe->changeWeak?></th>
diff --git a/module/custom/control.php b/module/custom/control.php
index 4efba93390..0fb47cb64a 100644
--- a/module/custom/control.php
+++ b/module/custom/control.php
@@ -119,29 +119,29 @@ class custom extends control
                     /* Invalid key. It should be numbers. (It includes severityList in bug module and priList in stroy, task, bug, testcasea, testtask and todo module.) */
                     if($field == 'priList' or $field == 'severityList')
                     {
-                        if(!is_numeric($key) or $key > 255) die(js::alert($this->lang->custom->notice->invalidNumberKey));
+                        if(!is_numeric($key) or $key > 255) $this->send(array('result' => 'fail', 'message' => $this->lang->custom->notice->invalidNumberKey));
                     }
-                    if(!empty($key) and $key != 'n/a' and !validater::checkREG($key, '/^[a-z_0-9]+$/')) die(js::alert($this->lang->custom->notice->invalidStringKey));
+                    if(!empty($key) and $key != 'n/a' and !validater::checkREG($key, '/^[a-z_0-9]+$/')) $this->send(array('result' => 'fail', 'message' => $this->lang->custom->notice->invalidStringKey));
 
                     /* The length of roleList in user module and typeList in todo module is less than 10. check it when saved. */
                     if($field == 'roleList' or $module == 'todo' and $field == 'typeList')
                     {
-                        if(strlen($key) > 10) die(js::alert($this->lang->custom->notice->invalidStrlen['ten']));
+                        if(strlen($key) > 10) $this->send(array('result' => 'fail', 'message' => $this->lang->custom->notice->invalidStrlen['ten']));
                     }
                     
                     /* The length of sourceList in story module and typeList in task module is less than 20, check it when saved. */
                     if($field == 'sourceList' or $module == 'task' and $field == 'typeList')
                     {
-                        if(strlen($key) > 20) die(js::alert($this->lang->custom->notice->invalidStrlen['twenty']));
+                        if(strlen($key) > 20) $this->send(array('result' => 'fail', 'message' => $this->lang->custom->notice->invalidStrlen['twenty']));
                     }
                     
                     /* The length of stageList in testcase module is less than 255, check it when saved. */
-                    if($module == 'testcase' and $field == 'stageList' and strlen($key) > 255) die(js::alert($this->lang->custom->notice->invalidStrlen['twoHundred']));
+                    if($module == 'testcase' and $field == 'stageList' and strlen($key) > 255) $this->send(array('result' => 'fail', 'message' => $this->lang->custom->notice->invalidStrlen['twoHundred']));
                     
                     /* The length of field that in bug and testcase module and reasonList in story and task module is less than 30, check it when saved. */
                     if($module == 'bug' or $field == 'reasonList' or $module == 'testcase')
                     {
-                        if(strlen($key) > 30) die(js::alert($this->lang->custom->notice->invalidStrlen['thirty']));
+                        if(strlen($key) > 30) $this->send(array('result' => 'fail', 'message' => $this->lang->custom->notice->invalidStrlen['thirty']));
                     }
                 }
 
@@ -156,8 +156,8 @@ class custom extends control
                     $this->custom->setItem("{$lang}.{$module}.{$field}.{$key}.{$system}", $value);
                 }
             }
-            if(dao::isError()) die(js::error(dao::getError()));
-            die(js::locate($this->createLink('custom', 'set', "module=$module&field=$field&lang=" . str_replace('-', '_', $lang)), 'parent'));
+            if(dao::isError()) $this->send(array('result' => 'fail', 'message' => dao::getError()));
+            $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => 'reload'));
         }
 
         /* Check whether the current language has been customized. */
@@ -237,7 +237,7 @@ class custom extends control
                 $this->dao->update(TABLE_BLOCK)->set("`title` = REPLACE(`title`, '{$projectCommonList[$oldProjectIndex]}', '{$projectCommonList[$newProjectIndex]}')")->where('source')->eq('project')->exec();
             }
 
-            die(js::reload('parent'));
+            $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => 'reload'));
         }
 
         $this->view->title      = $this->lang->custom->flow;
@@ -250,7 +250,7 @@ class custom extends control
         if($_POST)
         {
             $this->loadModel('setting')->setItem('system.common.global.flow', $this->post->flow);
-            die(js::reload('parent'));
+            $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => 'reload'));
         }
 
         $this->view->title      = $this->lang->custom->working;
@@ -272,7 +272,7 @@ class custom extends control
         if($_POST)
         {
             $this->custom->saveRequiredFields($moduleName);
-            die(js::reload('parent.parent'));
+            $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => 'reload'));
         }
 
         foreach($this->config->custom->requiredModules as $requiredModule) $this->app->loadLang($requiredModule);
@@ -306,7 +306,7 @@ class custom extends control
         if($_POST)
         {
             $this->loadModel('setting')->setItem('system.common.global.scoreStatus', $this->post->score);
-            die(js::reload('parent'));
+            $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => 'reload'));
         }
 
         $this->view->title      = $this->lang->custom->score;
diff --git a/module/custom/view/flow.html.php b/module/custom/view/flow.html.php
index 95e2fdd323..31af5a105c 100644
--- a/module/custom/view/flow.html.php
+++ b/module/custom/view/flow.html.php
@@ -14,7 +14,7 @@
 <div id='mainContent' class='main-row'>
   <div class='side-col' id='sidebar'></div>
   <div class='main-col main-content'>
-    <form method='post' target='hiddenwin'>
+    <form class="load-indicator main-form form-ajax" method='post'>
       <div class='main-header'>
         <div class='heading'>
           <strong><?php echo $lang->custom->flow?></strong>
diff --git a/module/custom/view/required.html.php b/module/custom/view/required.html.php
index 71f71c1df5..c02b0a334e 100644
--- a/module/custom/view/required.html.php
+++ b/module/custom/view/required.html.php
@@ -26,7 +26,7 @@
     </div>
   </div>
   <div class='main-col main-content'>
-    <form method='post' target='hiddenwin'>
+    <form class="load-indicator main-form form-ajax" method='post'>
       <div class='main-header'>
         <div class='heading'>
           <strong><?php echo $lang->$moduleName->common?></strong>
diff --git a/module/custom/view/score.html.php b/module/custom/view/score.html.php
index 01db559cdc..12a567ec1a 100644
--- a/module/custom/view/score.html.php
+++ b/module/custom/view/score.html.php
@@ -13,7 +13,7 @@
 <div id='mainContent' class='main-row'>
   <div class='side-col' id='sidebar'></div>
   <div class='main-col main-content'>
-    <form method='post' target='hiddenwin'>
+    <form class="load-indicator main-form form-ajax" method='post'>
       <div class='main-header'>
         <div class='heading'>
           <strong><?php echo $lang->custom->score?></strong>
@@ -25,7 +25,7 @@
           <td>
             <?php $checkedKey = isset($config->global->scoreStatus) ? $config->global->scoreStatus : 0;?>
             <?php foreach($lang->custom->scoreStatus as $key => $value):?>
-            <p><label class="radio-inline"><input type="radio" name="flow" value="<?php echo $key?>"<?php echo $key == $checkedKey ? " checked='checked'" : ''?> id="flow<?php echo $key;?>"><?php echo $value;?></label></p>
+            <p><label class="radio-inline"><input type="radio" name="score" value="<?php echo $key?>"<?php echo $key == $checkedKey ? " checked='checked'" : ''?> id="score<?php echo $key;?>"><?php echo $value;?></label></p>
             <?php endforeach;?>
           </td>
         </tr>
diff --git a/module/custom/view/set.html.php b/module/custom/view/set.html.php
index 94dfd06ccf..ac39c8385e 100644
--- a/module/custom/view/set.html.php
+++ b/module/custom/view/set.html.php
@@ -45,7 +45,7 @@ EOT;
     </div>
   </div>
   <div class='main-col main-content'>
-    <form method='post' target='hiddenwin'>
+    <form class="load-indicator main-form form-ajax" method='post'>
       <div class='main-header'>
         <div class='heading'>
           <strong><?php echo $lang->custom->object[$module] . $lang->arrow . $lang->custom->$module->fields[$field]?></strong>
diff --git a/module/custom/view/working.html.php b/module/custom/view/working.html.php
index c1b73bf130..f134856c9e 100644
--- a/module/custom/view/working.html.php
+++ b/module/custom/view/working.html.php
@@ -14,7 +14,7 @@
 <div id='mainContent' class='main-row'>
   <div class='side-col' id='sidebar'></div>
   <div class='main-col main-content'>
-    <form method='post' target='hiddenwin'>
+    <form class="load-indicator main-form form-ajax" method='post'>
       <div class='main-header'>
         <div class='heading'>
           <strong><?php echo $lang->custom->working?></strong>
diff --git a/module/misc/css/changelog.css b/module/misc/css/changelog.css
index 20a2f25952..b74f1c90a6 100644
--- a/module/misc/css/changelog.css
+++ b/module/misc/css/changelog.css
@@ -1,9 +1,17 @@
 #versionMenu {margin-left: 20px;}
 #versionMenu .dropdown-menu {min-width: 130px; max-height:180px;overflow-y:auto;}
 
-#featureList {padding: 0 20px 20px; min-height:200px;}
+#mainContent {min-height: 240px;}
+#featureList {padding: 0 10px;}
 #featureList > .item {padding: 0 0 10px 0;}
 #featureList > .item > h3 {color: #114f8e; font-size: 16px; margin: 0; padding: 10px 0}
 #featureList > .item > .desc {color: #666; padding-left: 18px;}
 #featureList > .item > .more-link {color: #666; padding-left: 18px;}
 #featureList > .item > .more {display: none}
+#featureList + #details {padding: 0;}
+#details .details-list {display: none; padding: 10px; background: #f1f1f1; border-radius: 4px;}
+#details.show-details .details-list {display: block;}
+#details > .btn > .icon-angle-right {transition: transform .2s; display: inline-block;}
+#details.show-details > .btn > .icon-angle-right {transform: rotate(90deg)}
+#details.show-details > .btn:focus {border-radius: 4px 4px 0 0;}
+#details.show-details > .btn:focus + .details-list {border-radius: 0 0 4px 4px;}
\ No newline at end of file
diff --git a/module/misc/view/changelog.html.php b/module/misc/view/changelog.html.php
index 23b888f7cd..890b1ca869 100644
--- a/module/misc/view/changelog.html.php
+++ b/module/misc/view/changelog.html.php
@@ -1,35 +1,41 @@
 <?php include '../../common/view/header.lite.html.php';?>
-<div id='mainContent' class='main-content'>
-  <div class='center-block mw-800px'>
-    <div class='main-header clearfix'>
-      <h2 class='pull-left'><?php echo $lang->changeLog ?></h2>
-      <div class='btn-toolbar pull-left'>
-        <div class='dropdown' id='versionMenu'>
-          <button class='btn dropdown-toggle' type='button' data-toggle='dropdown'><?php echo $version === 'latest' ? $lang->misc->feature->lastest : ($lang->misc->releaseDate[$versionName] . ' ' . $version) ?> <span class='caret'></span></button>
-          <ul class='dropdown-menu'>
-            <?php foreach(array_keys($lang->misc->feature->all) as $versionName):?>
-            <li<?php echo $versionName === $version ? " class='active'" : '' ?>>
-              <?php echo html::a(helper::createLink('misc', 'changeLog', "version=$versionName"), $versionName === 'latest' ? $lang->misc->feature->lastest : ($lang->misc->releaseDate[$versionName] . ' ' . $versionName));?>
-            </li>
-            <?php endforeach; ?>
-          </ul>
+<main id="main">
+  <div class="container">
+    <div id='mainContent' class='main-content'>
+      <div class='center-block mw-800px'>
+        <div class='main-header clearfix'>
+          <h2 class='pull-left'><?php echo $lang->changeLog ?></h2>
+          <div class='btn-toolbar pull-left'>
+            <div class='dropdown' id='versionMenu'>
+              <button class='btn dropdown-toggle' type='button' data-toggle='dropdown'><?php echo $version === 'latest' ? $lang->misc->feature->lastest : ($lang->misc->releaseDate[$versionName] . ' ' . $version) ?> <span class='caret'></span></button>
+              <ul class='dropdown-menu'>
+                <?php foreach(array_keys($lang->misc->feature->all) as $versionName):?>
+                <li<?php echo $versionName === $version ? " class='active'" : '' ?>>
+                  <?php echo html::a(helper::createLink('misc', 'changeLog', "version=$versionName"), $versionName === 'latest' ? $lang->misc->feature->lastest : ($lang->misc->releaseDate[$versionName] . ' ' . $versionName));?>
+                </li>
+                <?php endforeach; ?>
+              </ul>
+            </div>
+          </div>
         </div>
+        <div id='featureList' class='article-content'>
+          <?php $idx = count($features) == 1 ? '' : 1; ?>
+          <?php foreach ($features as $feature):?>
+          <div class='item'>
+            <h3><?php echo $idx . ($idx == '' ? '' : '. ') . $feature['title'] ?></h3>
+            <div class='desc'><?php echo $feature['desc'] ?></div>
+          </div>
+          <?php $idx++; ?>
+          <?php endforeach; ?>
+        </div>
+        <?php if($detailed and $this->app->getClientLang() != 'en'):?>
+        <div id="details" class='article-content'>
+          <a href='###' class="btn btn-link text-primary btn-block text-left" onclick="$('#details').toggleClass('show-details')"><i class="icon icon-angle-right"></i> <?php echo $lang->misc->feature->detailed;?></a>
+          <div class='details-list'><?php echo $detailed;?></div>
+        </div>
+        <?php endif;?>
       </div>
     </div>
-    <div id='featureList' class='article-content'>
-      <?php $idx = count($features) == 1 ? '' : 1; ?>
-      <?php foreach ($features as $feature):?>
-      <div class='item'>
-        <h3><?php echo $idx . ($idx == '' ? '' : '. ') . $feature['title'] ?></h3>
-        <div class='desc'><?php echo $feature['desc'] ?></div>
-      </div>
-      <?php $idx++; ?>
-      <?php endforeach; ?>
-      <?php if($detailed and $this->app->getClientLang() != 'en'):?>
-      <div> <a href='###' onclick="$('.detailed').toggle()"><?php echo $lang->misc->feature->detailed;?></a></div>
-      <div class='detailed hide'><?php echo $detailed;?></div>
-      <?php endif;?>
-    </div>
   </div>
-</div>
+</main>
 <?php include '../../common/view/footer.lite.html.php';?>
diff --git a/module/todo/css/edit.css b/module/todo/css/edit.css
index f0de69d394..90a1609841 100644
--- a/module/todo/css/edit.css
+++ b/module/todo/css/edit.css
@@ -1,2 +1,3 @@
 .todoType {margin-top: 6px;}
 .dateSwitcher {margin-top: 6px;}
+.form-horizontal .required::after{right: -10px;}
diff --git a/module/todo/view/create.html.php b/module/todo/view/create.html.php
index dc81d2eb05..dad3cb03fe 100644
--- a/module/todo/view/create.html.php
+++ b/module/todo/view/create.html.php
@@ -23,7 +23,7 @@
       <table class='table table-form'> 
         <tr>
           <th class='w-80px'><?php echo $lang->todo->date;?></th>
-          <td class='w-p25-f'>
+          <td class='w-300px'>
             <div class='input-group'>
               <?php echo html::input('date', $date, "class='form-control form-date'");?>
               <span class='input-group-addon switchDate'>
diff --git a/module/todo/view/edit.html.php b/module/todo/view/edit.html.php
index ad724c449b..848f2b292b 100644
--- a/module/todo/view/edit.html.php
+++ b/module/todo/view/edit.html.php
@@ -91,7 +91,7 @@
     <div class="row form-group">
       <label class="col-sm-1"><?php echo $lang->todo->name;?></label>
       <div class="col-sm-10">
-        <div id='nameBox'>
+        <div id='nameBox' class='required'>
           <?php
           $readType = ($todo->type == 'bug' or $todo->type == 'task') ? 'readonly' : '';
           echo html::input('name', $todo->name, "$readType class='form-control' autocomplete='off'");
diff --git a/module/todo/view/view.html.php b/module/todo/view/view.html.php
index 6a8b5d04f1..3f27311fce 100644
--- a/module/todo/view/view.html.php
+++ b/module/todo/view/view.html.php
@@ -161,9 +161,9 @@
             unset($_GET['onlybody']);
             echo "<button type='button' class='btn btn-success dropdown-toggle' data-toggle='dropdown'><span class='caret'></span></button>";
             echo "<ul class='dropdown-menu pull-right' role='menu'>";
-            if($createStoryPriv) echo '<li>' . html::a('###', $lang->todo->reasonList['story'], '', "data-toggle='modal' data-target='#productModal' data-moveable='true' data-position='193px' id='toStoryLink'") . '</li>';
-            if($createTaskPriv)  echo '<li>' . html::a('###', $lang->todo->reasonList['task'], '', "data-toggle='modal' data-target='#projectModal' data-moveable='true' data-position='193px' id='toTaskLink'") . '</li>';
-            if($createBugPriv)   echo '<li>' . html::a('###', $lang->todo->reasonList['bug'], '', "data-toggle='modal' data-target='#productModal' data-moveable='true' data-position='193px' id='toBugLink'") . '</li>';
+            if($createStoryPriv) echo '<li>' . html::a('###', $lang->todo->reasonList['story'], '', "data-toggle='modal' data-target='#productModal' data-moveable='true' data-position='center' id='toStoryLink'") . '</li>';
+            if($createTaskPriv)  echo '<li>' . html::a('###', $lang->todo->reasonList['task'], '', "data-toggle='modal' data-target='#projectModal' data-moveable='true' data-position='center' id='toTaskLink'") . '</li>';
+            if($createBugPriv)   echo '<li>' . html::a('###', $lang->todo->reasonList['bug'], '', "data-toggle='modal' data-target='#productModal' data-moveable='true' data-position='center' id='toBugLink'") . '</li>';
             echo "</ul>";
             if($isonlybody) $_GET['onlybody'] = 'yes';
         }
diff --git a/module/webhook/view/header.html.php b/module/webhook/view/header.html.php
index 23fab0e144..6c70ec5ca7 100644
--- a/module/webhook/view/header.html.php
+++ b/module/webhook/view/header.html.php
@@ -25,7 +25,7 @@
   <div class='btn-toolbar pull-right'>
     <div class='btn-group'>
       <div class='btn-group' id='createActionMenu'>
-        <?php common::printIcon('webhook', 'create', '', '', 'button', '', '', 'btn-primary');?>
+        <?php if(common::hasPriv('webhook', 'create')) echo html::a($this->createLink('webhook', 'create'), "<i class='icon-plus'></i> {$lang->webhook->create}", '', "class='btn btn-primary'");?>
       </div>
     </div>
   </div>