diff --git a/var/Typecho/Request.php b/var/Typecho/Request.php
index f77b4fcb..e11e8d48 100644
--- a/var/Typecho/Request.php
+++ b/var/Typecho/Request.php
@@ -39,6 +39,14 @@ class Typecho_Request
      */
     private $_server = array();
 
+    /**
+     * _requestUri  
+     * 
+     * @var string
+     * @access private
+     */
+    private $_requestUri = NULL;
+
     /**
      * 客户端ip地址
      *
@@ -306,7 +314,52 @@ class Typecho_Request
     public function getRequestUrl()
     {
         $scheme = $this->isSecure() ? 'https' : 'http';
-        return $scheme . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+        return $scheme . '://' . $_SERVER['HTTP_HOST'] . $this->getRequestUri();
+    }
+
+    /**
+     * 获取请求地址
+     * 
+     * @access public
+     * @return string
+     */
+    public function getRequestUri()
+    {
+        if (!empty($this->_requestUri)) {
+            return $this->_requestUri;
+        }
+
+        //处理requestUri
+        $requestUri = '/';
+
+        if (isset($_SERVER['HTTP_X_REWRITE_URL'])) { // check this first so IIS will catch
+            $requestUri = $_SERVER['HTTP_X_REWRITE_URL'];
+        } elseif (
+            // IIS7 with URL Rewrite: make sure we get the unencoded url (double slash problem)
+            isset($_SERVER['IIS_WasUrlRewritten'])
+            && $_SERVER['IIS_WasUrlRewritten'] == '1'
+            && isset($_SERVER['UNENCODED_URL'])
+            && $_SERVER['UNENCODED_URL'] != ''
+            ) {
+            $requestUri = $_SERVER['UNENCODED_URL'];
+        } elseif (isset($_SERVER['REQUEST_URI'])) {
+            $requestUri = $_SERVER['REQUEST_URI'];
+            if (isset($_SERVER['HTTP_HOST']) && strstr($requestUri, $_SERVER['HTTP_HOST'])) {
+                $parts       = @parse_url($requestUri);
+
+                if (false !== $parts) {
+                    $requestUri  = (empty($parts['path']) ? '' : $parts['path'])
+                                 . ((empty($parts['query'])) ? '' : '?' . $parts['query']);
+                }
+            }
+        } elseif (isset($_SERVER['ORIG_PATH_INFO'])) { // IIS 5.0, PHP as CGI
+            $requestUri = $_SERVER['ORIG_PATH_INFO'];
+            if (!empty($_SERVER['QUERY_STRING'])) {
+                $requestUri .= '?' . $_SERVER['QUERY_STRING'];
+            }
+        }
+
+        return $this->_requestUri = $requestUri;
     }
 
     /**
@@ -364,36 +417,7 @@ class Typecho_Request
         $pathInfo = NULL;
 
         //处理requestUri
-        $requestUri = NULL;
-
-        if (isset($_SERVER['HTTP_X_REWRITE_URL'])) { // check this first so IIS will catch
-            $requestUri = $_SERVER['HTTP_X_REWRITE_URL'];
-        } elseif (
-            // IIS7 with URL Rewrite: make sure we get the unencoded url (double slash problem)
-            isset($_SERVER['IIS_WasUrlRewritten'])
-            && $_SERVER['IIS_WasUrlRewritten'] == '1'
-            && isset($_SERVER['UNENCODED_URL'])
-            && $_SERVER['UNENCODED_URL'] != ''
-            ) {
-            $requestUri = $_SERVER['UNENCODED_URL'];
-        } elseif (isset($_SERVER['REQUEST_URI'])) {
-            $requestUri = $_SERVER['REQUEST_URI'];
-            if (isset($_SERVER['HTTP_HOST']) && strstr($requestUri, $_SERVER['HTTP_HOST'])) {
-                $parts       = @parse_url($requestUri);
-
-                if (false !== $parts) {
-                    $requestUri  = (empty($parts['path']) ? '' : $parts['path'])
-                                 . ((empty($parts['query'])) ? '' : '?' . $parts['query']);
-                }
-            }
-        } elseif (isset($_SERVER['ORIG_PATH_INFO'])) { // IIS 5.0, PHP as CGI
-            $requestUri = $_SERVER['ORIG_PATH_INFO'];
-            if (!empty($_SERVER['QUERY_STRING'])) {
-                $requestUri .= '?' . $_SERVER['QUERY_STRING'];
-            }
-        } else {
-            return $this->_pathInfo = '/';
-        }
+        $requestUri = $this->getRequestUri();
 
         //处理baseUrl
         $filename = (isset($_SERVER['SCRIPT_FILENAME'])) ? basename($_SERVER['SCRIPT_FILENAME']) : '';
diff --git a/var/Widget/Archive.php b/var/Widget/Archive.php
index d558d2b0..508ecf89 100644
--- a/var/Widget/Archive.php
+++ b/var/Widget/Archive.php
@@ -605,13 +605,17 @@ class Widget_Archive extends Widget_Abstract_Contents
             return;
         }
         
-        $value = array(
-            'page'  =>  $this->_currentPage
-        );
-        $value = array_merge($this->_archiveSingle ? $this->row : $this->_pageRow, $value);
+        if ($this->_archiveSingle) {
+            $permalink = $this->permalink;
+        } else {
+            $value = array_merge($this->_pageRow, array(
+                'page'  =>  $this->_currentPage
+            ));
+
+            $path = Typecho_Router::url($type, $value);
+            $permalink = Typecho_Common::url($path, $this->options->index);
+        }
 
-        $path = Typecho_Router::url($type, $value);
-        $permalink = Typecho_Common::url($path, $this->options->index);
         $requestUrl = $this->request->getRequestUrl();
 
         $src = parse_url($permalink);
@@ -792,12 +796,6 @@ class Widget_Archive extends Widget_Abstract_Contents
             }
         }
 
-        /** 设置关键词 */
-        $this->_keywords = implode(',', Typecho_Common::arrayFlatten($this->tags, 'name'));
-
-        /** 设置描述 */
-        $this->_description = $this->description;
-
         /** 设置模板 */
         if ($this->template) {
             /** 应用自定义模板 */
@@ -819,6 +817,12 @@ class Widget_Archive extends Widget_Abstract_Contents
 
             /** 设置标题 */
             $this->_archiveTitle = $this->title;
+
+            /** 设置关键词 */
+            $this->_keywords = implode(',', Typecho_Common::arrayFlatten($this->tags, 'name'));
+
+            /** 设置描述 */
+            $this->_description = $this->description;
         }
 
         /** 设置归档类型 */
@@ -875,7 +879,9 @@ class Widget_Archive extends Widget_Abstract_Contents
         ->where('table.contents.type = ?', 'post');
 
         /** 设置分页 */
-        $this->_pageRow = $category;
+        $this->_pageRow = array_merge($category, array(
+            'slug'  =>  urlencode($category['slug'])
+        ));
 
         /** 设置关键词 */
         $this->_keywords = $category['name'];
@@ -941,7 +947,9 @@ class Widget_Archive extends Widget_Abstract_Contents
         ->where('table.contents.type = ?', 'post');
 
         /** 设置分页 */
-        $this->_pageRow = $tag;
+        $this->_pageRow = array_merge($tag, array(
+            'slug'  =>  urlencode($tag['slug'])
+        ));
 
         /** 设置关键词 */
         $this->_keywords = $tag['name'];
@@ -1556,6 +1564,8 @@ class Widget_Archive extends Widget_Abstract_Contents
             $allows = array_merge($allows, $rules);
         }
 
+        $allows = $this->pluginHandle()->headerOptions($allows, $this);
+
         $header = '';
         if (!empty($allows['description'])) {
             $header .= '<meta name="description" content="' . $allows['description'] . '" />' . "\n";
@@ -1679,7 +1689,7 @@ var TypechoComment = {
         }
 
         /** 插件支持 */
-        $header = $this->pluginHandle()->header($header, $this);
+        $this->pluginHandle()->header($header, $this);
 
         /** 输出header */
         echo $header;