diff --git a/module/project/view/tree.html.php b/module/project/view/tree.html.php
index 08a7afeb2b..8e3473abae 100644
--- a/module/project/view/tree.html.php
+++ b/module/project/view/tree.html.php
@@ -146,8 +146,6 @@ $(function()
 
     var tree = $tree.data('zui.tree');
 
-    console.log(tree);
-
     // Expand all nodes when user visit at first time of this day.
     if(!tree.store.time || tree.store.time < (new Date().getTime() - 24*40*60*1000))
     {
diff --git a/module/tutorial/css/index.css b/module/tutorial/css/index.css
index b586ca38b0..0a7b02c435 100644
--- a/module/tutorial/css/index.css
+++ b/module/tutorial/css/index.css
@@ -3,9 +3,9 @@
 #sidebar {position: absolute; right: 0; top: 0; bottom: 0; width: 300px; background: #f5f5f5; overflow-y: auto; padding-top: 66px; border-left: 1px solid #ddd}
 #sidebar > header {background: #3280FC; color: #fff; padding: 15px; position: fixed; top: 0; right: 0; z-index: 10; width: 300px; border-bottom: 1px solid #ddd}
 #sidebar > header > h2 {margin: 0 0 0 40px; font-size: 18px; padding: 0; line-height: 36px; color: #fff}
-#sidebar > header .start-icon {position: absolute; left: 12px; top: 15px; width: 36px; height: 36px;  text-align: center; margin-right: 5px;}
+#sidebar > header .start-icon {position: absolute; left: 20px; top: 15px; width: 36px; height: 36px;  text-align: center; margin-right: 5px;}
 #sidebar > header .start-icon > .icon-front {color: #3280FC; position: absolute; width: 36px; height: 36px; line-height: 36px; top: 0; left: 0; font-size: 12px}
-#sidebar > header .start-icon > .icon-back {font-size: 35px; color: #fff; line-height: 36px;}
+#sidebar > header .start-icon > .icon-back {font-size: 22px; color: #fff; line-height: 36px;}
 #sidebar > header > .actions {position: absolute; right: 15px; top: 15px}
 #sidebar > section {padding: 20px 10px; border-top: 1px solid #ddd}
 #sidebar > section > h4 {margin: 0 0 10px 0; font-size: 14px; color: #808080; font-weight: normal}
diff --git a/module/tutorial/view/index.html.php b/module/tutorial/view/index.html.php
index ccfec394d2..c63cd79f17 100644
--- a/module/tutorial/view/index.html.php
+++ b/module/tutorial/view/index.html.php
@@ -36,7 +36,7 @@
       <div class='start-icon'><i class='icon icon-certificate icon-back'></i><i class='icon icon-flag icon-front'></i></div>
       <h2><?php echo $lang->tutorial->common ?></h2>
       <div class='actions'>
-        <a href='<?php echo helper::createLink('tutorial', 'quit', 'referer=' . base64_encode($referer)) ?>' class='btn btn-sm'><i class="icon icon-signout"></i> <?php echo $lang->tutorial->exit ?></a>
+        <a href='<?php echo helper::createLink('tutorial', 'quit', 'referer=' . base64_encode($referer)) ?>' class='btn btn-danger btn-sm'><i class="icon icon-signout"></i> <?php echo $lang->tutorial->exit ?></a>
       </div>
     </header>
     <section id='current'>
diff --git a/www/theme/default/style.css b/www/theme/default/style.css
index dc64b60110..4765d3665e 100644
--- a/www/theme/default/style.css
+++ b/www/theme/default/style.css
@@ -62,9 +62,9 @@ a,a:focus,a:active {text-decoration: none; outline:none;}
 
 /* Label */
 .label-badge {padding: 2px 6px}
-.label-angle {background-color: #d3dff7; line-height: 24px; padding: 0 5px; position: relative; top: 2px; border: 1px solid #c6d2eb; margin-right: 18px; font-size: 13px; transition: all .2s; color: #114f8e}
+.label-angle {background-color: #d3dff7; line-height: 24px; padding: 0 5px; position: relative; top: 2px; border: 1px solid #c6d2eb; margin-right: 18px; font-size: 13px; transition: margin .2s, padding .2s; color: #114f8e}
 .label-angle > a {position: absolute; right: 0; top: 0; filter: alpha(opacity=0); opacity: 0}
-.label-angle.with-close:hover {padding-right: 18px;}
+.label-angle.with-close:hover {padding-right: 18px; margin-right: 5px}
 .label-angle:hover > a {filter: alpha(opacity=100); opacity: 1}
 .label-angle:before, .label-angle:after {content: ' '; display: block; width: 0; height: 0; border-style: solid; border-width: 13px 0 13px 13px; border-color: transparent transparent transparent #c6d2eb; position: absolute; right: -13px; top: -1px; z-index: 1}
 .label-angle:after {border-width: 12px 0 12px 12px; top: 0px; z-index: 2; right: -11px; border-color: transparent transparent transparent #d3dff7;}