diff --git a/module/bug/view/view.html.php b/module/bug/view/view.html.php
index 74b4d7509e..a9e87064b4 100644
--- a/module/bug/view/view.html.php
+++ b/module/bug/view/view.html.php
@@ -53,7 +53,7 @@
     <div class='yui-b'>
       <fieldset>
         <legend><?php echo $lang->bug->legendSteps;?></legend>
-        <div class='content'><?php echo html::parseUBB($bug->steps);?></div>
+        <div class='steps'><?php echo html::parseUBB($bug->steps);?></div>
       </fieldset>
       <fieldset>
         <legend><?php echo $lang->bug->legendAttatch;?></legend>
diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index 1831d69608..0ec0b0cefd 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -60,7 +60,8 @@ $lang->actions      = 'Actions';
 $lang->comment      = 'Comment';
 $lang->history      = 'History';
 $lang->attatch      = 'Attatch';
-$lang->reverse      = '(Reverse)';
+$lang->reverse      = '[Reverse]';
+$lang->switchDisplay= '[Toggle Show]';
 $lang->addFiles     = 'Add Files';
 $lang->files        = 'Files ';
 
diff --git a/module/common/lang/zh-cn.php b/module/common/lang/zh-cn.php
index 55fc63adf3..8d6146d0e5 100644
--- a/module/common/lang/zh-cn.php
+++ b/module/common/lang/zh-cn.php
@@ -60,7 +60,8 @@ $lang->actions      = '操作';
 $lang->comment      = '备注';
 $lang->history      = '历史记录';
 $lang->attatch      = '附件';
-$lang->reverse      = '（切换顺序）';
+$lang->reverse      = '[切换顺序]';
+$lang->switchDisplay= '[切换显示]';
 $lang->addFiles     = '上传了附件 ';
 $lang->files        = '附件 ';
 
diff --git a/module/common/view/action.html.php b/module/common/view/action.html.php
index 76025caa2b..7bbcd71172 100644
--- a/module/common/view/action.html.php
+++ b/module/common/view/action.html.php
@@ -4,10 +4,16 @@
 <?php if($actionTheme == 'fieldset'):?>
 <div>
 <fieldset>
-  <legend onclick='$("#historyItem li").reverseOrder();' class='hand'><?php echo $lang->history . $lang->reverse;?></legend>
+  <legend>
+    <span onclick='$("#historyItem li").reverseOrder();' class='hand'> <?php echo $lang->history . $lang->reverse;?></span>
+    <span onclick='$(".changes").toggle();' class='hand'><?php echo $lang->switchDisplay;?></span>
+  </legend>
 <?php else:?>
 <table class='table-1'>
-  <caption onclick='$("#historyItem li").reverseOrder();' class='hand'><?php echo $lang->history . $lang->reverse;?></caption>
+  <caption>
+    <span onclick='$("#historyItem li").reverseOrder();' class='hand'> <?php echo $lang->history . $lang->reverse;?></span>
+    <span onclick='$(".changes").toggle();' class='hand'><?php echo $lang->switchDisplay;?></span>
+  </caption>
   <tr><td>
 <?php endif;?>
 
@@ -21,10 +27,10 @@
       ?>
       <span><?php $this->action->printAction($action);?>
       <?php if(!empty($action->comment) or !empty($action->history)):?>
-      <div class='history'>
-        <div id='changes'><?php echo $this->action->printChanges($action->objectType, $action->history);?></div>
+      <?php if(!empty($action->comment)) echo "<div class='history'>";?>
+        <div class='changes'><?php echo $this->action->printChanges($action->objectType, $action->history);?></div>
         <?php if($action->comment and $action->history) echo '<br />'; echo nl2br($action->comment);?>
-      </div>
+      <?php if(!empty($action->comment)) echo "</div>";?>
       <?php endif;?>
     </li>
     <?php endforeach;?>
diff --git a/www/theme/default/style.css b/www/theme/default/style.css
index 76e1e28ac4..ef480ce237 100644
--- a/www/theme/default/style.css
+++ b/www/theme/default/style.css
@@ -277,12 +277,14 @@ table.tablesorter thead tr .headerSortDown {background-image: url(./images/table
 #switcher {color:white; font-style:bold; background:red; cursor:pointer;}
 
 /* ҳ������Ԫ�ء�*/
-.history {border:1px solid #ccc; background:#f2f2f2; padding:10px; margin-top:10px; margin-bottom:10px; color:#333; line-height:20px;}
+.history, .changes {border:1px solid #ccc; background:#f2f2f2; padding:10px; margin-top:10px; margin-bottom:10px; color:#333; line-height:20px;}
+.history  .changes {border:none; margin:0; padding:0}
 .content {font-size:14px; padding:10px}
 .roadmap {width:200px; margin:10px auto 10px auto; padding:10px; border:1px solid gray;}
 .roadmap a{color:white;}
 .release {background:darkgreen; color:white}
 .plan    {background:#9F9F5F;}
+.steps   {line-height:22px; font-size:14px}
 
 /* ҳ�š�*/
 #footer    {width:100%; position:fixed; bottom:0; left:0; margin:0; color:#333; background-color:#CEE7F3; border-top:1px solid #59AED7;}