diff --git a/admin/common-js.php b/admin/common-js.php
index 7b5659d2..ab9590c0 100644
--- a/admin/common-js.php
+++ b/admin/common-js.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <script src="<?php $options->adminUrl('js/jquery.js?v=' . $suffixVersion); ?>"></script> 
 <script src="<?php $options->adminUrl('js/jquery-ui.js?v=' . $suffixVersion); ?>"></script> 
 <script src="<?php $options->adminUrl('js/typecho.js?v=' . $suffixVersion); ?>"></script>
diff --git a/admin/common.php b/admin/common.php
index 5abc62a8..63d79088 100644
--- a/admin/common.php
+++ b/admin/common.php
@@ -3,6 +3,8 @@ if (!defined('__DIR__')) {
     define('__DIR__', dirname(__FILE__));
 }
 
+define('__TYPECHO_ADMIN__', true);
+
 /** 载入配置文件 */
 if (!@include_once __DIR__ . '/../config.inc.php') {
     file_exists(__DIR__ . '/../install.php') ? header('Location: ../install.php') : print('Missing Config File');
diff --git a/admin/copyright.php b/admin/copyright.php
index 72249601..b17e928c 100644
--- a/admin/copyright.php
+++ b/admin/copyright.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <div class="typecho-foot" role="contentinfo">
     <div class="copyright">
         <a href="http://typecho.org" class="i-logo-s">Typecho</a>
diff --git a/admin/custom-fields-js.php b/admin/custom-fields-js.php
index b6dce8fd..592ccfd9 100644
--- a/admin/custom-fields-js.php
+++ b/admin/custom-fields-js.php
@@ -1,3 +1,4 @@
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <script>
 $(document).ready(function () {
     // 自定义字段
diff --git a/admin/custom-fields.php b/admin/custom-fields.php
index 44cfb575..22bb7169 100644
--- a/admin/custom-fields.php
+++ b/admin/custom-fields.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <?php
 $fields = isset($post) ? $post->getFieldItems() : $page->getFieldItems();
 $defaultFields = isset($post) ? $post->getDefaultFieldItems() : $page->getDefaultFieldItems();
diff --git a/admin/editor-js.php b/admin/editor-js.php
index be928182..bafe6e4a 100644
--- a/admin/editor-js.php
+++ b/admin/editor-js.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <?php $content = !empty($post) ? $post : $page; if ($options->markdown): ?>
 <script src="<?php $options->adminUrl('js/pagedown.js?v=' . $suffixVersion); ?>"></script>
 <script src="<?php $options->adminUrl('js/pagedown-extra.js?v=' . $suffixVersion); ?>"></script>
diff --git a/admin/file-upload-js.php b/admin/file-upload-js.php
index 9b3b2e7f..13a22b7d 100644
--- a/admin/file-upload-js.php
+++ b/admin/file-upload-js.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <?php
 if (isset($post) && $post instanceof Typecho_Widget && $post->have()) {
     $fileParentContent = $post;
diff --git a/admin/file-upload.php b/admin/file-upload.php
index b935db8d..c8d39833 100644
--- a/admin/file-upload.php
+++ b/admin/file-upload.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 
 <?php
 if (isset($post) || isset($page)) {
diff --git a/admin/footer.php b/admin/footer.php
index eccc3888..12a3a55b 100644
--- a/admin/footer.php
+++ b/admin/footer.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
     </body>
 </html>
 <?php
diff --git a/admin/form-js.php b/admin/form-js.php
index 78d9db15..7c52d694 100644
--- a/admin/form-js.php
+++ b/admin/form-js.php
@@ -1,11 +1,11 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <script>
 (function () {
     $(document).ready(function () {
         var error = $('.typecho-option .error:first');
 
         if (error.length > 0) {
-            $('html,body').scrollTop(error.offset().top);
+            $('html,body').scrollTop(error.parents('.typecho-option').offset().top);
         }
 
         $('form').submit(function () {
diff --git a/admin/header.php b/admin/header.php
index c7a8771d..02b4e6d9 100644
--- a/admin/header.php
+++ b/admin/header.php
@@ -1,5 +1,5 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) {
+if (!defined('__TYPECHO_ADMIN__')) {
     exit;
 }
 
diff --git a/admin/menu.php b/admin/menu.php
index 3f17e74d..88376da0 100644
--- a/admin/menu.php
+++ b/admin/menu.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <div class="typecho-head-nav clearfix" role="navigation">
     <nav id="typecho-nav-list">
         <?php $menu->output(); ?>
diff --git a/admin/page-title.php b/admin/page-title.php
index 38d37158..d04f3926 100644
--- a/admin/page-title.php
+++ b/admin/page-title.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <div class="colgroup">
     <div class="typecho-page-title col-mb-12">
         <h2><?php echo $menu->title; ?><?php 
diff --git a/admin/table-js.php b/admin/table-js.php
index 4c1c849b..13ac1c33 100644
--- a/admin/table-js.php
+++ b/admin/table-js.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <script>
 (function () {
     $(document).ready(function () {
diff --git a/admin/upgrade.php b/admin/upgrade.php
index ad0834ca..dc20e24b 100644
--- a/admin/upgrade.php
+++ b/admin/upgrade.php
@@ -11,7 +11,7 @@ include 'menu.php';
             <div class="col-mb-12">
                 <div id="typecho-welcome">
                     <form action="<?php echo Typecho_Router::url('do', array('action' => 'upgrade', 'widget' => 'Upgrade'), 
-                    Typecho_Common::url('index.php', $options->siteUrl)); ?>" method="post">
+                    Typecho_Common::url('index.php', $options->rootUrl)); ?>" method="post">
                     <h3><?php _e('检测到新版本!'); ?></h3>
                     <ul>
                         <li><?php _e('您已经更新了系统程序, 我们还需要执行一些后续步骤来完成升级'); ?></li>
diff --git a/admin/write-js.php b/admin/write-js.php
index 5817cbd1..f7586856 100644
--- a/admin/write-js.php
+++ b/admin/write-js.php
@@ -1,4 +1,4 @@
-<?php if(!defined('__TYPECHO_ROOT_DIR__')) exit; ?>
+<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <?php Typecho_Plugin::factory('admin/write-js.php')->write(); ?>
 <?php Typecho_Widget::widget('Widget_Metas_Tag_Cloud', 'sort=count&desc=1&limit=200')->to($tags); ?>
 
diff --git a/var/Typecho/Common.php b/var/Typecho/Common.php
index 4e00fea3..c58c60e8 100644
--- a/var/Typecho/Common.php
+++ b/var/Typecho/Common.php
@@ -20,7 +20,7 @@
 class Typecho_Common
 {
     /** 程序版本 */
-    const VERSION = '0.9/13.12.12';
+    const VERSION = '0.9/13.12.20';
 
     /**
      * 缓存的包含路径
diff --git a/var/Typecho/Cookie.php b/var/Typecho/Cookie.php
index 6eadcc39..fa9fa8fc 100644
--- a/var/Typecho/Cookie.php
+++ b/var/Typecho/Cookie.php
@@ -29,16 +29,28 @@ class Typecho_Cookie
      */
     private static $_prefix = '';
 
+    /**
+     * 路径
+     * 
+     * @var string
+     * @access private
+     */
+    private static $_path = '/';
+
     /**
      * 设置前缀 
      * 
-     * @param string $prefix 
+     * @param string $url
      * @access public
      * @return void
      */
-    public static function setPrefix($prefix)
+    public static function setPrefix($url)
     {
-        self::$_prefix = md5($prefix);
+        self::$_prefix = md5($url);
+        $parsed = parse_url($url);
+
+        /** 在路径后面强制加上斜杠 */
+        self::$_path = empty($parsed['path']) ? '/' : Typecho_Common::url(NULL, $parsed['path']);
     }
 
     /**
@@ -74,27 +86,19 @@ class Typecho_Cookie
      * @param string $key 指定的参数
      * @param mixed $value 设置的值
      * @param integer $expire 过期时间,默认为0,表示随会话时间结束
-     * @param string $url 路径(可以是域名,也可以是地址)
      * @return void
      */
-    public static function set($key, $value, $expire = 0, $url = NULL)
+    public static function set($key, $value, $expire = 0)
     {
-        $path = '/';
         $key = self::$_prefix . $key;
-        if (!empty($url)) {
-            $parsed = parse_url($url);
-
-            /** 在路径后面强制加上斜杠 */
-            $path = empty($parsed['path']) ? '/' : Typecho_Common::url(NULL, $parsed['path']);
-        }
 
         /** 对数组型COOKIE的写入支持 */
         if (is_array($value)) {
             foreach ($value as $name => $val) {
-                setrawcookie("{$key}[{$name}]", rawurlencode($val), $expire, $path);
+                setrawcookie("{$key}[{$name}]", rawurlencode($val), $expire, self::$_path);
             }
         } else {
-            setrawcookie($key, rawurlencode($value), $expire, $path);
+            setrawcookie($key, rawurlencode($value), $expire, self::$_path);
         }
         
         $_COOKIE[$key] = $value;
@@ -107,28 +111,20 @@ class Typecho_Cookie
      * @param string $key 指定的参数
      * @return void
      */
-    public static function delete($key, $url = NULL)
+    public static function delete($key)
     {
         $key = self::$_prefix . $key;
         if (!isset($_COOKIE[$key])) {
             return;
         }
 
-        $path = '/';
-        if (!empty($url)) {
-            $parsed = parse_url($url);
-
-            /** 在路径后面强制加上斜杠 */
-            $path = empty($parsed['path']) ? '/' : Typecho_Common::url(NULL, $parsed['path']);
-        }
-
         /** 对数组型COOKIE的删除支持 */
         if (is_array($_COOKIE[$key])) {
             foreach ($_COOKIE[$key] as $name => $val) {
-                setcookie("{$key}[{$name}]", '', time() - 2592000, $path);
+                setcookie("{$key}[{$name}]", '', time() - 2592000, self::$_path);
             }
         } else {
-            setcookie($key, '', time() - 2592000, $path);
+            setcookie($key, '', time() - 2592000, self::$_path);
         }
 
         unset($_COOKIE[$key]);
diff --git a/var/Typecho/Request.php b/var/Typecho/Request.php
index e11e8d48..35a7fe70 100644
--- a/var/Typecho/Request.php
+++ b/var/Typecho/Request.php
@@ -47,6 +47,22 @@ class Typecho_Request
      */
     private $_requestUri = NULL;
 
+    /**
+     * _requestRoot  
+     * 
+     * @var mixed
+     * @access private
+     */
+    private $_requestRoot = NULL;
+
+    /**
+     * 获取baseurl
+     * 
+     * @var string
+     * @access private
+     */
+    private $_baseUrl = NULL;
+
     /**
      * 客户端ip地址
      *
@@ -305,6 +321,30 @@ class Typecho_Request
         $this->_params = array_merge($this->_params, $params);
     }
 
+    /**
+     * getRequestRoot 
+     * 
+     * @access public
+     * @return void
+     */
+    public function getRequestRoot()
+    {
+        if (NULL === $this->_requestRoot) {
+            $root = rtrim(($this->isSecure() ? 'https' : 'http')
+                . '://' . $_SERVER['HTTP_HOST']
+                . $this->getBaseUrl(), '/') . '/';
+            
+            $pos = strrpos($root, '.php/');
+            if ($pos) {
+                $root = dirname(substr($root, 0, $pos));
+            }
+
+            $this->_requestRoot = rtrim($root, '/');
+        }
+
+        return $this->_requestRoot;
+    }
+
     /**
      * 获取当前请求url
      * 
@@ -362,6 +402,69 @@ class Typecho_Request
         return $this->_requestUri = $requestUri;
     }
 
+    /**
+     * getBaseUrl  
+     * 
+     * @access public
+     * @return string
+     */
+    public function getBaseUrl()
+    {
+        if (NULL !== $this->_baseUrl) {
+            return $this->_baseUrl;
+        }
+
+        //处理baseUrl
+        $filename = (isset($_SERVER['SCRIPT_FILENAME'])) ? basename($_SERVER['SCRIPT_FILENAME']) : '';
+
+        if (isset($_SERVER['SCRIPT_NAME']) && basename($_SERVER['SCRIPT_NAME']) === $filename) {
+            $baseUrl = $_SERVER['SCRIPT_NAME'];
+        } elseif (isset($_SERVER['PHP_SELF']) && basename($_SERVER['PHP_SELF']) === $filename) {
+            $baseUrl = $_SERVER['PHP_SELF'];
+        } elseif (isset($_SERVER['ORIG_SCRIPT_NAME']) && basename($_SERVER['ORIG_SCRIPT_NAME']) === $filename) {
+            $baseUrl = $_SERVER['ORIG_SCRIPT_NAME']; // 1and1 shared hosting compatibility
+        } else {
+            // Backtrack up the script_filename to find the portion matching
+            // php_self
+            $path    = isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : '';
+            $file    = isset($_SERVER['SCRIPT_FILENAME']) ? $_SERVER['SCRIPT_FILENAME'] : '';
+            $segs    = explode('/', trim($file, '/'));
+            $segs    = array_reverse($segs);
+            $index   = 0;
+            $last    = count($segs);
+            $baseUrl = '';
+            do {
+                $seg     = $segs[$index];
+                $baseUrl = '/' . $seg . $baseUrl;
+                ++$index;
+            } while (($last > $index) && (false !== ($pos = strpos($path, $baseUrl))) && (0 != $pos));
+        }
+
+        // Does the baseUrl have anything in common with the request_uri?
+        $finalBaseUrl = NULL;
+        $requestUri = $this->getRequestUri();
+
+        if (0 === strpos($requestUri, $baseUrl)) {
+            // full $baseUrl matches
+            $finalBaseUrl = $baseUrl;
+        } else if (0 === strpos($requestUri, dirname($baseUrl))) {
+            // directory portion of $baseUrl matches
+            $finalBaseUrl = rtrim(dirname($baseUrl), '/');
+        } else if (!strpos($requestUri, basename($baseUrl))) {
+            // no match whatsoever; set it blank
+            $finalBaseUrl = '';
+        } else if ((strlen($requestUri) >= strlen($baseUrl))
+            && ((false !== ($pos = strpos($requestUri, $baseUrl))) && ($pos !== 0)))
+        {
+            // If using mod_rewrite or ISAPI_Rewrite strip the script filename
+            // out of baseUrl. $pos !== 0 makes sure it is not matching a value
+            // from PATH_INFO or QUERY_STRING
+            $baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl));
+        }
+
+        return ($this->_baseUrl = (NULL === $finalBaseUrl) ? rtrim($baseUrl, '/') : $finalBaseUrl);
+    }
+
     /**
      * 根据当前uri构造指定参数的uri
      *
@@ -418,55 +521,7 @@ class Typecho_Request
 
         //处理requestUri
         $requestUri = $this->getRequestUri();
-
-        //处理baseUrl
-        $filename = (isset($_SERVER['SCRIPT_FILENAME'])) ? basename($_SERVER['SCRIPT_FILENAME']) : '';
-
-        if (isset($_SERVER['SCRIPT_NAME']) && basename($_SERVER['SCRIPT_NAME']) === $filename) {
-            $baseUrl = $_SERVER['SCRIPT_NAME'];
-        } elseif (isset($_SERVER['PHP_SELF']) && basename($_SERVER['PHP_SELF']) === $filename) {
-            $baseUrl = $_SERVER['PHP_SELF'];
-        } elseif (isset($_SERVER['ORIG_SCRIPT_NAME']) && basename($_SERVER['ORIG_SCRIPT_NAME']) === $filename) {
-            $baseUrl = $_SERVER['ORIG_SCRIPT_NAME']; // 1and1 shared hosting compatibility
-        } else {
-            // Backtrack up the script_filename to find the portion matching
-            // php_self
-            $path    = isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : '';
-            $file    = isset($_SERVER['SCRIPT_FILENAME']) ? $_SERVER['SCRIPT_FILENAME'] : '';
-            $segs    = explode('/', trim($file, '/'));
-            $segs    = array_reverse($segs);
-            $index   = 0;
-            $last    = count($segs);
-            $baseUrl = '';
-            do {
-                $seg     = $segs[$index];
-                $baseUrl = '/' . $seg . $baseUrl;
-                ++$index;
-            } while (($last > $index) && (false !== ($pos = strpos($path, $baseUrl))) && (0 != $pos));
-        }
-
-        // Does the baseUrl have anything in common with the request_uri?
-        $finalBaseUrl = NULL;
-
-        if (0 === strpos($requestUri, $baseUrl)) {
-            // full $baseUrl matches
-            $finalBaseUrl = $baseUrl;
-        } else if (0 === strpos($requestUri, dirname($baseUrl))) {
-            // directory portion of $baseUrl matches
-            $finalBaseUrl = rtrim(dirname($baseUrl), '/');
-        } else if (!strpos($requestUri, basename($baseUrl))) {
-            // no match whatsoever; set it blank
-            $finalBaseUrl = '';
-        } else if ((strlen($requestUri) >= strlen($baseUrl))
-            && ((false !== ($pos = strpos($requestUri, $baseUrl))) && ($pos !== 0)))
-        {
-            // If using mod_rewrite or ISAPI_Rewrite strip the script filename
-            // out of baseUrl. $pos !== 0 makes sure it is not matching a value
-            // from PATH_INFO or QUERY_STRING
-            $baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl));
-        }
-
-        $finalBaseUrl = (NULL === $finalBaseUrl) ? rtrim($baseUrl, '/') : $finalBaseUrl;
+        $finalBaseUrl = $this->getBaseUrl();
 
         // Remove the query string from REQUEST_URI
         if ($pos = strpos($requestUri, '?')) {
diff --git a/var/Upgrade.php b/var/Upgrade.php
index eb330249..bdbf3a2a 100644
--- a/var/Upgrade.php
+++ b/var/Upgrade.php
@@ -1087,5 +1087,22 @@ Typecho_Date::setTimezoneOffset($options->timezone);
                 ->rows(array('name' => 'frontArchive', 'user' => 0, 'value' => 0)));
         }
     }
+
+    /**
+     * v0_9r13_12_20
+     * 
+     * @param mixed $db 
+     * @param mixed $options 
+     * @access public
+     * @return void
+     */
+    public function v0_9r13_12_20($db, $options)
+    {
+        $commentsWhitelist = $db->fetchRow($db->select()->from('table.options')->where('name = ?', 'commentsWhitelist'));
+        if (empty($commentsWhitelist)) {
+            $db->query($db->insert('table.options')
+                ->rows(array('name' => 'commentsWhitelist', 'user' => 0, 'value' => 0)));
+        }
+    }
 }
 
diff --git a/var/Widget/Init.php b/var/Widget/Init.php
index 8adb3ed9..910600cc 100644
--- a/var/Widget/Init.php
+++ b/var/Widget/Init.php
@@ -26,7 +26,7 @@ class Widget_Init extends Typecho_Widget
         $options = $this->widget('Widget_Options'); 
 
         /** cookie初始化 */
-        Typecho_Cookie::setPrefix($options->siteUrl);
+        Typecho_Cookie::setPrefix($options->rootUrl);
 
         /** 初始化charset */
         Typecho_Common::$charset = $options->charset;
diff --git a/var/Widget/Notice.php b/var/Widget/Notice.php
index a492af74..256ec055 100644
--- a/var/Widget/Notice.php
+++ b/var/Widget/Notice.php
@@ -33,8 +33,7 @@ class Widget_Notice extends Typecho_Widget
     {
         $this->highlight = $theId;
         Typecho_Cookie::set('__typecho_notice_highlight', $theId,
-        $this->widget('Widget_Options')->gmtTime + $this->widget('Widget_Options')->timezone + 86400,
-        $this->widget('Widget_Options')->siteUrl);
+        $this->widget('Widget_Options')->gmtTime + $this->widget('Widget_Options')->timezone + 86400);
     }
 
     /**
@@ -64,10 +63,8 @@ class Widget_Notice extends Typecho_Widget
         }
 
         Typecho_Cookie::set('__typecho_notice', json_encode($notice),
-        $this->widget('Widget_Options')->gmtTime + $this->widget('Widget_Options')->timezone + 86400,
-        $this->widget('Widget_Options')->siteUrl);
+        $this->widget('Widget_Options')->gmtTime + $this->widget('Widget_Options')->timezone + 86400);
         Typecho_Cookie::set('__typecho_notice_type', $type,
-        $this->widget('Widget_Options')->gmtTime + $this->widget('Widget_Options')->timezone + 86400,
-        $this->widget('Widget_Options')->siteUrl);
+        $this->widget('Widget_Options')->gmtTime + $this->widget('Widget_Options')->timezone + 86400);
     }
 }
diff --git a/var/Widget/Options.php b/var/Widget/Options.php
index 93bacf65..9d6e258a 100644
--- a/var/Widget/Options.php
+++ b/var/Widget/Options.php
@@ -145,7 +145,7 @@ class Widget_Options extends Typecho_Widget
      */
     protected function ___index()
     {
-        return $this->rewrite ? $this->siteUrl : Typecho_Common::url('index.php', $this->siteUrl);
+        return $this->rewrite ? $this->rootUrl : Typecho_Common::url('index.php', $this->rootUrl);
     }
 
     /**
@@ -179,7 +179,7 @@ class Widget_Options extends Typecho_Widget
     protected function ___adminUrl()
     {
         return Typecho_Common::url(defined('__TYPECHO_ADMIN_DIR__') ?
-        __TYPECHO_ADMIN_DIR__ : '/admin/', $this->siteUrl);
+        __TYPECHO_ADMIN_DIR__ : '/admin/', $this->rootUrl);
     }
 
     /**
@@ -202,7 +202,7 @@ class Widget_Options extends Typecho_Widget
     protected function ___loginAction()
     {
         return Typecho_Router::url('do', array('action' => 'login', 'widget' => 'Login'),
-        Typecho_Common::url('index.php', $this->siteUrl));
+        Typecho_Common::url('index.php', $this->rootUrl));
     }
 
     /**
@@ -353,9 +353,17 @@ class Widget_Options extends Typecho_Widget
         $this->stack[] = &$this->row;
 
         /** 初始化站点信息 */
+        $this->originalSiteUrl = $this->siteUrl;
         $this->siteUrl = Typecho_Common::url(NULL, $this->siteUrl);
         $this->plugins = unserialize($this->plugins);
-        
+
+        /** 动态获取根目录 */
+        $this->rootUrl = $this->request->getRequestRoot();
+        if (defined('__TYPECHO_ADMIN__')) {
+            $adminDir = '/' . trim(defined('__TYPECHO_ADMIN_DIR__') ? __TYPECHO_ADMIN_DIR__ : '/admin/', '/');
+            $this->rootUrl = substr($this->rootUrl, 0, - strlen($adminDir));
+        }
+
         /** 增加对SSL连接的支持 */
         if ($this->request->isSecure() && 0 === strpos($this->siteUrl, 'http://')) {
             $this->siteUrl = substr_replace($this->siteUrl, 'https', 0, 4);
diff --git a/var/Widget/Options/General.php b/var/Widget/Options/General.php
index bf8f4689..59de4a55 100644
--- a/var/Widget/Options/General.php
+++ b/var/Widget/Options/General.php
@@ -34,10 +34,20 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
 
         /** 站点名称 */
         $title = new Typecho_Widget_Helper_Form_Element_Text('title', NULL, $this->options->title, _t('站点名称'), _t('站点的名称将显示在网页的标题处.'));
-        $form->addInput($title);
+        $title->input->setAttribute('class', 'w-40');
+        $form->addInput($title->addRule('required', _t('请填写站点名称')));
+
+        /** 站点地址 */
+        $siteUrl = new Typecho_Widget_Helper_Form_Element_Text('siteUrl', NULL, $this->options->originalSiteUrl, _t('站点地址'), _t('站点地址主要用于生成内容的永久链接.') 
+            . ($this->options->originalSiteUrl == $this->options->rootUrl ? 
+                '' : '</p><p class="message notice mono">' . _t('当前地址 <strong>%s</strong> 与上述设定值不一致',
+                    $this->options->rootUrl)));
+        $siteUrl->input->setAttribute('class', 'w-60 mono');
+        $form->addInput($siteUrl->addRule('required', _t('请填写站点地址'))
+            ->addRule('url', _t('请填写一个合法的URL地址')));
 
         /** 站点描述 */
-        $description = new Typecho_Widget_Helper_Form_Element_Textarea('description', NULL, $this->options->description, _t('站点描述'), _t('站点描述将显示在网页代码的头部.'));
+        $description = new Typecho_Widget_Helper_Form_Element_Text('description', NULL, $this->options->description, _t('站点描述'), _t('站点描述将显示在网页代码的头部.'));
         $form->addInput($description);
 
         /** 关键词 */
@@ -137,8 +147,9 @@ class Widget_Options_General extends Widget_Abstract_Options implements Widget_I
             $this->response->goBack();
         }
 
-        $settings = $this->request->from('title', 'description', 'keywords', 'allowRegister', 'timezone', 'attachmentTypes');
-        
+        $settings = $this->request->from('title', 'siteUrl', 'description', 'keywords', 'allowRegister', 'timezone', 'attachmentTypes');
+        $settings['siteUrl'] = rtrim('/', $settings['url']);
+
         $attachmentTypes = array();
         if ($this->isEnableByCheckbox($settings['attachmentTypes'], '@image@')) {
             $attachmentTypes[] = '@image@';
diff --git a/var/Widget/Options/Permalink.php b/var/Widget/Options/Permalink.php
index ecaf0c2b..820a3f9f 100644
--- a/var/Widget/Options/Permalink.php
+++ b/var/Widget/Options/Permalink.php
@@ -201,7 +201,7 @@ RewriteRule . {$basePath}index.php [L]
     public function form()
     {
         /** 构建表格 */
-        $form = new Typecho_Widget_Helper_Form(Typecho_Common::url('index.php/action/options-permalink', $this->options->siteUrl),
+        $form = new Typecho_Widget_Helper_Form(Typecho_Common::url('index.php/action/options-permalink', $this->options->rootUrl),
         Typecho_Widget_Helper_Form::POST_METHOD);
 
         /** 是否使用地址重写功能 */
diff --git a/var/Widget/Service.php b/var/Widget/Service.php
index ab801aa3..01338666 100644
--- a/var/Widget/Service.php
+++ b/var/Widget/Service.php
@@ -134,8 +134,8 @@ class Widget_Service extends Widget_Abstract_Options implements Widget_Interface
                     $input['trackback'] = $trackback;
                 }
 
-                $client->setCookie('__typecho_uid', Typecho_Cookie::get('__typecho_uid'), 0, $this->options->siteUrl)
-                ->setCookie('__typecho_authCode', Typecho_Cookie::get('__typecho_authCode'), 0, $this->options->siteUrl)
+                $client->setCookie('__typecho_uid', Typecho_Cookie::get('__typecho_uid'))
+                ->setCookie('__typecho_authCode', Typecho_Cookie::get('__typecho_authCode'))
                 ->setHeader('User-Agent', $this->options->generator)
                 ->setTimeout(3)
                 ->setData($input)
diff --git a/var/Widget/User.php b/var/Widget/User.php
index 12ae5341..e9bf03fb 100644
--- a/var/Widget/User.php
+++ b/var/Widget/User.php
@@ -135,9 +135,8 @@ class Widget_User extends Typecho_Widget
                 $authCode = sha1(Typecho_Common::randString(20));
                 $user['authCode'] = $authCode;
 
-                Typecho_Cookie::set('__typecho_uid', $user['uid'], $expire, $this->options->siteUrl);
-                Typecho_Cookie::set('__typecho_authCode', Typecho_Common::hash($authCode),
-                $expire, $this->options->siteUrl);
+                Typecho_Cookie::set('__typecho_uid', $user['uid'], $expire);
+                Typecho_Cookie::set('__typecho_authCode', Typecho_Common::hash($authCode), $expire);
 
                 //更新最后登录时间以及验证码
                 $this->db->query($this->db
@@ -196,10 +195,8 @@ class Widget_User extends Typecho_Widget
             return;
         }
 
-        Typecho_Cookie::delete('__typecho_uid', $this->options->siteUrl);
-        Typecho_Cookie::delete('__typecho_authCode', $this->options->siteUrl);
-        Typecho_Cookie::delete('__typecho_feed');
-        Typecho_Cookie::delete('__typecho_check_version');
+        Typecho_Cookie::delete('__typecho_uid');
+        Typecho_Cookie::delete('__typecho_authCode');
     }
 
     /**