diff --git a/.phpstorm.meta.php b/.phpstorm.meta.php
index 02b16ddd..6b437ed2 100644
--- a/.phpstorm.meta.php
+++ b/.phpstorm.meta.php
@@ -10,6 +10,7 @@ namespace PHPSTORM_META {
     exitPoint(\Typecho\Widget\Response::throwFile());
     exitPoint(\Typecho\Widget\Response::throwJson());
     exitPoint(\Typecho\Widget\Response::throwXml());
+    exitPoint(\Typecho\Widget\Response::goBack());
 
     override(\Widget\Options::__get(0), map([
         'feedUrl'               =>  string,
diff --git a/admin/common.php b/admin/common.php
index b18173bb..84ed18ae 100644
--- a/admin/common.php
+++ b/admin/common.php
@@ -12,14 +12,14 @@ if (!defined('__TYPECHO_ROOT_DIR__') && !@include_once __DIR__ . '/../config.inc
 }
 
 /** 初始化组件 */
-\Typecho\Widget::widget('Widget_Init');
+\Widget\Init::alloc();
 
 /** 注册一个初始化插件 */
 \Typecho\Plugin::factory('admin/common.php')->begin();
 
-\Typecho\Widget::widget('Widget_Options')->to($options);
-\Typecho\Widget::widget('Widget_User')->to($user);
-\Typecho\Widget::widget('Widget_Security')->to($security);
+\Widget\Options::alloc()->to($options);
+\Widget\User::alloc()->to($user);
+\Widget\Security::alloc()->to($security);
 \Typecho\Widget::widget('Widget_Menu')->to($menu);
 
 /** 初始化上下文 */
diff --git a/install.php b/install.php
index 8d5d31c5..5edcb270 100644
--- a/install.php
+++ b/install.php
@@ -77,6 +77,167 @@ function install_is_cli(): bool
     return \Typecho\Request::getInstance()->isCli();
 }
 
+/**
+ * get default router
+ *
+ * @return string[][]
+ */
+function install_get_default_routers(): array
+{
+    return [
+        'index'              =>
+            [
+                'url'    => '/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive'            =>
+            [
+                'url'    => '/blog/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'do'                 =>
+            [
+                'url'    => '/action/[action:alpha]',
+                'widget' => '\Widget\Action',
+                'action' => 'action',
+            ],
+        'post'               =>
+            [
+                'url'    => '/archives/[cid:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'attachment'         =>
+            [
+                'url'    => '/attachment/[cid:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'category'           =>
+            [
+                'url'    => '/category/[slug]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'tag'                =>
+            [
+                'url'    => '/tag/[slug]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'author'             =>
+            [
+                'url'    => '/author/[uid:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'search'             =>
+            [
+                'url'    => '/search/[keywords]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'index_page'         =>
+            [
+                'url'    => '/page/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_page'       =>
+            [
+                'url'    => '/blog/page/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'category_page'      =>
+            [
+                'url'    => '/category/[slug]/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'tag_page'           =>
+            [
+                'url'    => '/tag/[slug]/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'author_page'        =>
+            [
+                'url'    => '/author/[uid:digital]/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'search_page'        =>
+            [
+                'url'    => '/search/[keywords]/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_year'       =>
+            [
+                'url'    => '/[year:digital:4]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_month'      =>
+            [
+                'url'    => '/[year:digital:4]/[month:digital:2]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_day'        =>
+            [
+                'url'    => '/[year:digital:4]/[month:digital:2]/[day:digital:2]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_year_page'  =>
+            [
+                'url'    => '/[year:digital:4]/page/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_month_page' =>
+            [
+                'url'    => '/[year:digital:4]/[month:digital:2]/page/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'archive_day_page'   =>
+            [
+                'url'    => '/[year:digital:4]/[month:digital:2]/[day:digital:2]/page/[page:digital]/',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'comment_page'       =>
+            [
+                'url'    => '[permalink:string]/comment-page-[commentPage:digital]',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+        'feed'               =>
+            [
+                'url'    => '/feed[feed:string:0]',
+                'widget' => '\Widget\Archive',
+                'action' => 'feed',
+            ],
+        'feedback'           =>
+            [
+                'url'    => '[permalink:string]/[type:alpha]',
+                'widget' => '\Widget\Feedback',
+                'action' => 'action',
+            ],
+        'page'               =>
+            [
+                'url'    => '/[slug].html',
+                'widget' => '\Widget\Archive',
+                'action' => 'render',
+            ],
+    ];
+}
+
 /**
  * list all default options
  *
@@ -142,7 +303,7 @@ function install_get_default_options(): array
             'commentsAvatar' => 1,
             'commentsAvatarRating' => 'G',
             'commentsAntiSpam' => 1,
-            'routingTable' => 'a:25:{s:5:"index";a:3:{s:3:"url";s:1:"/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:7:"archive";a:3:{s:3:"url";s:6:"/blog/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:2:"do";a:3:{s:3:"url";s:22:"/action/[action:alpha]";s:6:"widget";s:9:"Widget_Do";s:6:"action";s:6:"action";}s:4:"post";a:3:{s:3:"url";s:24:"/archives/[cid:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:10:"attachment";a:3:{s:3:"url";s:26:"/attachment/[cid:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:8:"category";a:3:{s:3:"url";s:17:"/category/[slug]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:3:"tag";a:3:{s:3:"url";s:12:"/tag/[slug]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:6:"author";a:3:{s:3:"url";s:22:"/author/[uid:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:6:"search";a:3:{s:3:"url";s:19:"/search/[keywords]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:10:"index_page";a:3:{s:3:"url";s:21:"/page/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:12:"archive_page";a:3:{s:3:"url";s:26:"/blog/page/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:13:"category_page";a:3:{s:3:"url";s:32:"/category/[slug]/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:8:"tag_page";a:3:{s:3:"url";s:27:"/tag/[slug]/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:11:"author_page";a:3:{s:3:"url";s:37:"/author/[uid:digital]/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:11:"search_page";a:3:{s:3:"url";s:34:"/search/[keywords]/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:12:"archive_year";a:3:{s:3:"url";s:18:"/[year:digital:4]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:13:"archive_month";a:3:{s:3:"url";s:36:"/[year:digital:4]/[month:digital:2]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:11:"archive_day";a:3:{s:3:"url";s:52:"/[year:digital:4]/[month:digital:2]/[day:digital:2]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:17:"archive_year_page";a:3:{s:3:"url";s:38:"/[year:digital:4]/page/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:18:"archive_month_page";a:3:{s:3:"url";s:56:"/[year:digital:4]/[month:digital:2]/page/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:16:"archive_day_page";a:3:{s:3:"url";s:72:"/[year:digital:4]/[month:digital:2]/[day:digital:2]/page/[page:digital]/";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:12:"comment_page";a:3:{s:3:"url";s:53:"[permalink:string]/comment-page-[commentPage:digital]";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}s:4:"feed";a:3:{s:3:"url";s:20:"/feed[feed:string:0]";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:4:"feed";}s:8:"feedback";a:3:{s:3:"url";s:31:"[permalink:string]/[type:alpha]";s:6:"widget";s:15:"Widget_Feedback";s:6:"action";s:6:"action";}s:4:"page";a:3:{s:3:"url";s:12:"/[slug].html";s:6:"widget";s:14:"Widget_Archive";s:6:"action";s:6:"render";}}',
+            'routingTable' => serialize(install_get_default_routers()),
             'actionTable' => 'a:0:{}',
             'panelTable' => 'a:0:{}',
             'attachmentTypes' => '@image@',
@@ -405,7 +566,7 @@ function install_redirect(string $url)
  */
 function install_js_support()
 {
-    $options = \Typecho\Widget::widget(\Widget\Options::class);
+    $options = \Widget\Options::alloc();
 
     ?>
     <div id="success" class="row typecho-page-main hidden">
@@ -991,7 +1152,7 @@ function install_step_2_perform()
  */
 function install_step_3()
 {
-    $options = \Typecho\Widget::widget(\Widget\Options::class);
+    $options = \Widget\Options::alloc();
     ?>
     <div class="row typecho-page-main">
         <div class="col-mb-12 col-tb-8 col-tb-offset-2">
@@ -1049,7 +1210,7 @@ function install_step_3_perform()
 
     $request = \Typecho\Request::getInstance();
     $defaultPassword = \Typecho\Common::randString(8);
-    $options = \Typecho\Widget::widget(\Widget\Options::class);
+    $options = \Widget\Options::alloc();
 
     if (install_is_cli()) {
         $config = [
@@ -1189,7 +1350,7 @@ function install_step_3_perform()
     install_success(0, [
         $config['userName'],
         $config['userPassword'],
-        \Typecho\Widget::widget(\Widget\Security::class)->getTokenUrl($loginUrl, $request->getReferer()),
+        \Widget\Security::alloc()->getTokenUrl($loginUrl, $request->getReferer()),
         $options->siteUrl
     ]);
 }
@@ -1208,8 +1369,8 @@ function install_dispatch()
     }
 
     // init default options
-    $options = \Typecho\Widget::widget(\Widget\Options::class, install_get_default_options());
-    \Typecho\Widget::widget(\Widget\Init::class);
+    $options = \Widget\Options::alloc(install_get_default_options());
+    \Widget\Init::alloc();
 
     // install finished yet
     if (
diff --git a/var/Typecho/Common.php b/var/Typecho/Common.php
index 93762bbf..1071939e 100644
--- a/var/Typecho/Common.php
+++ b/var/Typecho/Common.php
@@ -78,8 +78,8 @@ namespace Typecho {
         $path = str_replace(
             ['_', '\\'],
             '/',
-            (defined('__TYPECHO_REWRITE_CLASS__') && isset(__TYPECHO_REWRITE_CLASS__[$className]))
-                ?  __TYPECHO_REWRITE_CLASS__[$className] : $className
+            (defined('__TYPECHO_CLASS_ALIASES__') && isset(__TYPECHO_CLASS_ALIASES__[$className]))
+                ?  __TYPECHO_CLASS_ALIASES__[$className] : $className
         ) . '.php';
 
         $defaultFile = __TYPECHO_ROOT_DIR__ . '/var/' . $path;
@@ -106,8 +106,8 @@ namespace Typecho {
             && !interface_exists($className, false)
             && !trait_exists($className, false)
         ) {
-            $aliasClass = (defined('__TYPECHO_REWRITE_CLASS__') && isset(__TYPECHO_REWRITE_CLASS__[$className]))
-                ? __TYPECHO_REWRITE_CLASS__[$className] : '\\' . str_replace('_', '\\', $className);
+            $aliasClass = (defined('__TYPECHO_CLASS_ALIASES__') && isset(__TYPECHO_CLASS_ALIASES__[$className]))
+                ? __TYPECHO_CLASS_ALIASES__[$className] : '\\' . str_replace('_', '\\', $className);
             class_alias($aliasClass, $className);
         }
     });
diff --git a/var/Typecho/Widget.php b/var/Typecho/Widget.php
index 6a0dfd0d..1fc42a13 100644
--- a/var/Typecho/Widget.php
+++ b/var/Typecho/Widget.php
@@ -148,6 +148,37 @@ abstract class Widget
         return self::$widgetPool[$key];
     }
 
+    /**
+     * alloc widget instance
+     *
+     * @param mixed $params
+     * @param mixed $request
+     * @param bool $enableResponse
+     * @return $this
+     */
+    public static function alloc($params = null, $request = null, bool $enableResponse = true): Widget
+    {
+        return self::widget(static::class, $params, $request, $enableResponse);
+    }
+
+    /**
+     * alloc widget instance with alias
+     *
+     * @param string $alias
+     * @param mixed $params
+     * @param mixed $request
+     * @param bool $enableResponse
+     * @return $this
+     */
+    public static function allocWithAlias(
+        string $alias,
+        $params = null,
+        $request = null,
+        bool $enableResponse = true
+    ): Widget {
+        return self::widget(static::class . '@' . $alias, $params, $request, $enableResponse);
+    }
+
     /**
      * 释放组件
      *
@@ -162,10 +193,16 @@ abstract class Widget
     /**
      * 释放组件
      *
-     * @param string $alias 组件名称
+     * @param string|null $alias 组件名称
      */
-    public static function destroy(string $alias)
+    public static function destroy(?string $alias = null)
     {
+        if (!isset($alias)) {
+            $alias = static::class;
+        } elseif (Common::nativeClassName(static::class) != 'Typecho_Widget') {
+            $alias = static::class . '@' . $alias;
+        }
+
         if (isset(self::$widgetPool[$alias])) {
             unset(self::$widgetPool[$alias]);
         }
diff --git a/var/Widget/Action.php b/var/Widget/Action.php
index 661cc260..e001c23e 100644
--- a/var/Widget/Action.php
+++ b/var/Widget/Action.php
@@ -58,7 +58,7 @@ class Action extends Widget
         $action = $this->request->action;
 
         /** 判断是否为plugin */
-        $actionTable = array_merge($this->map, unserialize(self::widget('Widget_Options')->actionTable));
+        $actionTable = array_merge($this->map, unserialize(Options::alloc()->actionTable));
 
         if (isset($actionTable[$action])) {
             $widgetName = $actionTable[$action];
diff --git a/var/Widget/Archive.php b/var/Widget/Archive.php
index f85998ff..3ad17b93 100644
--- a/var/Widget/Archive.php
+++ b/var/Widget/Archive.php
@@ -18,6 +18,7 @@ use Widget\Base\Users;
 use Widget\Comments\Ping;
 use Widget\Comments\Recent;
 use Widget\Contents\Attachment\Related;
+use Widget\Contents\Related\Author;
 use Widget\Metas\Category\Rows;
 
 if (!defined('__TYPECHO_ROOT_DIR__')) {
@@ -895,7 +896,7 @@ class Archive extends Contents
             'allowComment'  => $this->allow('comment')
         ];
 
-        return self::widget(\Widget\Comments\Archive::class, $parameter);
+        return \Widget\Comments\Archive::alloc($parameter);
     }
 
     /**
@@ -905,7 +906,7 @@ class Archive extends Contents
      */
     public function pings(): Ping
     {
-        return self::widget(Ping::class, [
+        return Ping::alloc([
             'parentId'      => $this->hidden ? 0 : $this->cid,
             'parentContent' => $this->row,
             'allowPing'     => $this->allow('ping')
@@ -921,7 +922,7 @@ class Archive extends Contents
      */
     public function attachments(int $limit = 0, int $offset = 0): Related
     {
-        return self::widget(Related::class . '@' . $this->cid . '-' . uniqid(), [
+        return Related::allocWithAlias($this->cid . '-' . uniqid(), [
             'parentId' => $this->cid,
             'limit'    => $limit,
             'offset'   => $offset
@@ -1019,14 +1020,12 @@ class Archive extends Contents
         switch ($type) {
             case 'author':
                 /** 如果访问权限被设置为禁止,则tag会被置为空 */
-                return self::widget(
-                    '\Widget\Contents\Related\Author',
+                return Author::alloc(
                     ['cid' => $this->cid, 'type' => $this->type, 'author' => $this->author->uid, 'limit' => $limit]
                 );
             default:
                 /** 如果访问权限被设置为禁止,则tag会被置为空 */
-                return self::widget(
-                    '\Widget\Contents\Related',
+                return \Widget\Contents\Related::alloc(
                     ['cid' => $this->cid, 'type' => $this->type, 'tags' => $this->tags, 'limit' => $limit]
                 );
         }
@@ -1429,9 +1428,9 @@ class Archive extends Contents
             ));
 
             if ('comments' == $this->parameter->type) {
-                $comments = self::widget(Recent::class, 'pageSize=10');
+                $comments = Recent::alloc('pageSize=10');
             } else {
-                $comments = self::widget(Recent::class, 'pageSize=10&parentId=' . $this->cid);
+                $comments = Recent::alloc('pageSize=10&parentId=' . $this->cid);
             }
 
             while ($comments->next()) {
@@ -1864,7 +1863,7 @@ class Archive extends Contents
             throw new WidgetException(_t('分类不存在'), 404);
         }
 
-        $categoryListWidget = self::widget(Rows::class, 'current=' . $category['mid']);
+        $categoryListWidget = Rows::alloc('current=' . $category['mid']);
         $category = $categoryListWidget->filter($category);
 
         if (isset($directory) && ($this->request->directory != implode('/', $category['directory']))) {
@@ -1938,7 +1937,7 @@ class Archive extends Contents
         /** 如果是标签 */
         $tag = $this->db->fetchRow(
             $tagSelect,
-            [self::widget(Metas::class), 'filter']
+            [Metas::alloc(), 'filter']
         );
 
         if (!$tag) {
@@ -1998,7 +1997,7 @@ class Archive extends Contents
         $author = $this->db->fetchRow(
             $this->db->select()->from('table.users')
             ->where('uid = ?', $uid),
-            [self::widget(Users::class), 'filter']
+            [User::alloc(), 'filter']
         );
 
         if (!$author) {
diff --git a/var/Widget/Backup.php b/var/Widget/Backup.php
index bff2fbb7..5eac80c8 100644
--- a/var/Widget/Backup.php
+++ b/var/Widget/Backup.php
@@ -1,26 +1,31 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * Typecho Blog Platform
- *
- * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license    GNU General Public License 2.0
- */
+
+namespace Widget;
+
+use Typecho\Common;
+use Typecho\Cookie;
+use Typecho\Exception;
+use Typecho\Plugin;
+use Widget\Base\Options as BaseOptions;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 备份工具
  *
  * @package Widget
  */
-class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_Do
+class Backup extends BaseOptions implements ActionInterface
 {
-    const HEADER = '%TYPECHO_BACKUP_XXXX%';
-    const HEADER_VERSION = '0001';
+    public const HEADER = '%TYPECHO_BACKUP_XXXX%';
+    public const HEADER_VERSION = '0001';
 
     /**
      * @var array
      */
-    private $_types = [
+    private $types = [
         'contents'      => 1,
         'comments'      => 2,
         'metas'         => 3,
@@ -32,7 +37,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
     /**
      * @var array
      */
-    private $_fields = [
+    private $fields = [
         'contents'      => [
             'cid', 'title', 'slug', 'created', 'modified', 'text', 'order', 'authorId',
             'template', 'type', 'status', 'password', 'commentsNum', 'allowComment', 'allowPing', 'allowFeed', 'parent'
@@ -46,7 +51,8 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
         ],
         'relationships' => ['cid', 'mid'],
         'users'         => [
-            'uid', 'name', 'password', 'mail', 'url', 'screenName', 'created', 'activated', 'logged', 'group', 'authCode'
+            'uid', 'name', 'password', 'mail', 'url', 'screenName',
+            'created', 'activated', 'logged', 'group', 'authCode'
         ],
         'fields'        => [
             'cid', 'name', 'type', 'str_value', 'int_value', 'float_value'
@@ -56,24 +62,24 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
     /**
      * @var array
      */
-    private $_lastIds = [];
+    private $lastIds = [];
 
     /**
      * @var array
      */
-    private $_cleared = [];
+    private $cleared = [];
 
     /**
      * @var bool
      */
-    private $_login = false;
+    private $login = false;
 
     /**
      * 列出已有备份文件
      *
      * @return array
      */
-    public function listFiles()
+    public function listFiles(): array
     {
         return array_map('basename', glob(__TYPECHO_BACKUP_DIR__ . '/*.dat'));
     }
@@ -92,6 +98,8 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
 
     /**
      * 导出数据
+     *
+     * @throws \Typecho\Db\Exception
      */
     private function export()
     {
@@ -106,7 +114,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
         fwrite($fp, $header);
         $db = $this->db;
 
-        foreach ($this->_types as $type => $val) {
+        foreach ($this->types as $type => $val) {
             $page = 1;
             do {
                 $rows = $db->fetchAll($db->select()->from('table.' . $type)->page($page, 20));
@@ -118,7 +126,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
             } while (count($rows) == 20);
         }
 
-        Typecho_Plugin::factory(__CLASS__)->export($fp);
+        Plugin::factory(__CLASS__)->export($fp);
         fwrite($fp, $header);
         fclose($fp);
 
@@ -130,7 +138,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
      * @param $data
      * @return string
      */
-    private function buildBuffer($type, $data)
+    private function buildBuffer($type, $data): string
     {
         $body = '';
         $schema = [];
@@ -141,7 +149,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
         }
 
         $header = json_encode($schema);
-        return Typecho_Common::buildBackupBuffer($type, $header, $body);
+        return Common::buildBackupBuffer($type, $header, $body);
     }
 
     /**
@@ -151,19 +159,19 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
      * @param $data
      * @return array
      */
-    private function applyFields($table, $data)
+    private function applyFields($table, $data): array
     {
         $result = [];
 
         foreach ($data as $key => $val) {
-            $index = array_search($key, $this->_fields[$table]);
+            $index = array_search($key, $this->fields[$table]);
 
             if ($index !== false) {
                 $result[$key] = $val;
 
                 if ($index === 0 && !in_array($table, ['relationships', 'fields'])) {
-                    $this->_lastIds[$table] = isset($this->_lastIds[$table])
-                        ? max($this->_lastIds[$table], $val) : $val;
+                    $this->lastIds[$table] = isset($this->lastIds[$table])
+                        ? max($this->lastIds[$table], $val) : $val;
                 }
             }
         }
@@ -178,25 +186,25 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
     {
         $path = null;
 
-        if (!empty($_FILES)) {
-            $file = array_pop($_FILES);
+        if (!empty($FILES)) {
+            $file = array_pop($FILES);
 
             if (0 == $file['error'] && is_uploaded_file($file['tmp_name'])) {
                 $path = $file['tmp_name'];
             } else {
-                self::widget('Widget_Notice')->set(_t('备份文件上传失败'), 'error');
+                Notice::alloc()->set(_t('备份文件上传失败'), 'error');
                 $this->response->goBack();
             }
         } else {
             if (!$this->request->is('file')) {
-                self::widget('Widget_Notice')->set(_t('没有选择任何备份文件'), 'error');
+                Notice::alloc()->set(_t('没有选择任何备份文件'), 'error');
                 $this->response->goBack();
             }
 
             $path = __TYPECHO_BACKUP_DIR__ . '/' . $this->request->get('file');
 
             if (!file_exists($path)) {
-                self::widget('Widget_Notice')->set(_t('备份文件不存在'), 'error');
+                Notice::alloc()->set(_t('备份文件不存在'), 'error');
                 $this->response->goBack();
             }
         }
@@ -208,13 +216,14 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
      * 解析数据
      *
      * @param $file
+     * @throws \Typecho\Db\Exception
      */
     private function extractData($file)
     {
         $fp = @fopen($file, 'rb');
 
         if (!$fp) {
-            self::widget('Widget_Notice')->set(_t('无法读取备份文件'), 'error');
+            Notice::alloc()->set(_t('无法读取备份文件'), 'error');
             $this->response->goBack();
         }
 
@@ -223,7 +232,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
 
         if ($fileSize < $headerSize) {
             @fclose($fp);
-            self::widget('Widget_Notice')->set(_t('备份文件格式错误'), 'error');
+            Notice::alloc()->set(_t('备份文件格式错误'), 'error');
             $this->response->goBack();
         }
 
@@ -231,7 +240,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
 
         if (!$this->parseHeader($fileHeader, $version)) {
             @fclose($fp);
-            self::widget('Widget_Notice')->set(_t('备份文件格式错误'), 'error');
+            Notice::alloc()->set(_t('备份文件格式错误'), 'error');
             $this->response->goBack();
         }
 
@@ -240,7 +249,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
 
         if (!$this->parseHeader($fileFooter, $version)) {
             @fclose($fp);
-            self::widget('Widget_Notice')->set(_t('备份文件格式错误'), 'error');
+            Notice::alloc()->set(_t('备份文件格式错误'), 'error');
             $this->response->goBack();
         }
 
@@ -248,11 +257,11 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
         $offset = $headerSize;
 
         while (!feof($fp) && $offset + $headerSize < $fileSize) {
-            $data = Typecho_Common::extractBackupBuffer($fp, $offset, $version);
+            $data = Common::extractBackupBuffer($fp, $offset, $version);
 
             if (!$data) {
                 @fclose($fp);
-                self::widget('Widget_Notice')->set(_t('恢复数据出现错误'), 'error');
+                Notice::alloc()->set(_t('恢复数据出现错误'), 'error');
                 $this->response->goBack();
             }
 
@@ -262,14 +271,14 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
 
         // 针对PGSQL重置计数
         if (false !== strpos($this->db->getVersion(), 'pgsql')) {
-            foreach ($this->_lastIds as $table => $id) {
+            foreach ($this->lastIds as $table => $id) {
                 $seq = $this->db->getPrefix() . $table . '_seq';
                 $this->db->query('ALTER SEQUENCE ' . $seq . ' RESTART WITH ' . ($id + 1));
             }
         }
 
         @fclose($fp);
-        self::widget('Widget_Notice')->set(_t('数据恢复完成'), 'success');
+        Notice::alloc()->set(_t('数据恢复完成'), 'success');
         $this->response->goBack();
     }
 
@@ -278,7 +287,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
      * @param $version
      * @return bool
      */
-    private function parseHeader($str, &$version)
+    private function parseHeader($str, &$version): bool
     {
         if (!$str || strlen($str) != strlen(self::HEADER)) {
             return false;
@@ -299,7 +308,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
      */
     private function processData($type, $header, $body)
     {
-        $table = array_search($type, $this->_types);
+        $table = array_search($type, $this->types);
 
         if (!empty($table)) {
             $schema = json_decode($header, true);
@@ -313,7 +322,7 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
 
             $this->importData($table, $data);
         } else {
-            Typecho_Plugin::factory(__CLASS__)->import($type, $header, $body);
+            Plugin::factory(__CLASS__)->import($type, $header, $body);
         }
     }
 
@@ -322,27 +331,26 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
      *
      * @param $table
      * @param $data
-     * @throws Typecho_Exception
      */
     private function importData($table, $data)
     {
         $db = $this->db;
 
         try {
-            if (empty($this->_cleared[$table])) {
+            if (empty($this->cleared[$table])) {
                 // 清除数据
                 $db->truncate('table.' . $table);
-                $this->_cleared[$table] = true;
+                $this->cleared[$table] = true;
             }
 
-            if (!$this->_login && 'users' == $table && $data['group'] == 'administrator') {
+            if (!$this->login && 'users' == $table && $data['group'] == 'administrator') {
                 // 重新登录
                 $this->reLogin($data);
             }
 
             $db->query($db->insert('table.' . $table)->rows($this->applyFields($table, $data)));
         } catch (Exception $e) {
-            self::widget('Widget_Notice')->set(_t('恢复过程中遇到如下错误: %s', $e->getMessage()), 'error');
+            Notice::alloc()->set(_t('恢复过程中遇到如下错误: %s', $e->getMessage()), 'error');
             $this->response->goBack();
         }
     }
@@ -357,14 +365,14 @@ class Widget_Backup extends Widget_Abstract_Options implements Widget_Interface_
     {
         if (empty($user['authCode'])) {
             $user['authCode'] = function_exists('openssl_random_pseudo_bytes') ?
-                bin2hex(openssl_random_pseudo_bytes(16)) : sha1(Typecho_Common::randString(20));
+                bin2hex(openssl_random_pseudo_bytes(16)) : sha1(Common::randString(20));
         }
 
         $user['activated'] = $this->options->time;
         $user['logged'] = $user['activated'];
 
-        Typecho_Cookie::set('__typecho_uid', $user['uid']);
-        Typecho_Cookie::set('__typecho_authCode', Typecho_Common::hash($user['authCode']));
-        $this->_login = true;
+        Cookie::set('__typecho_uid', $user['uid']);
+        Cookie::set('__typecho_authCode', Common::hash($user['authCode']));
+        $this->login = true;
     }
 }
diff --git a/var/Widget/Base.php b/var/Widget/Base.php
index e149b5b7..fc36fa22 100644
--- a/var/Widget/Base.php
+++ b/var/Widget/Base.php
@@ -65,9 +65,9 @@ abstract class Base extends Widget
         $this->db = Db::get();
 
         /** 初始化常用组件 */
-        $this->options = self::widget('Widget_Options');
-        $this->user = self::widget('Widget_User');
-        $this->security = self::widget('Widget_Security');
+        $this->options = Options::alloc();
+        $this->user = User::alloc();
+        $this->security = Security::alloc();
     }
 
     /**
diff --git a/var/Widget/Base/Comments.php b/var/Widget/Base/Comments.php
index e3726f6c..f4eea605 100644
--- a/var/Widget/Base/Comments.php
+++ b/var/Widget/Base/Comments.php
@@ -286,9 +286,9 @@ class Comments extends Base
      */
     protected function ___parentContent(): ?array
     {
-        return $this->db->fetchRow(self::widget(Contents::class)->select()
+        return $this->db->fetchRow(Contents::alloc()->select()
             ->where('table.contents.cid = ?', $this->cid)
-            ->limit(1), [self::widget(Contents::class), 'filter']);
+            ->limit(1), [Contents::alloc(), 'filter']);
     }
 
     /**
diff --git a/var/Widget/Base/Contents.php b/var/Widget/Base/Contents.php
index 3c53f4bf..ccb27a01 100644
--- a/var/Widget/Base/Contents.php
+++ b/var/Widget/Base/Contents.php
@@ -447,7 +447,7 @@ class Contents extends Base
             ->select()->from('table.metas')
             ->join('table.relationships', 'table.relationships.mid = table.metas.mid')
             ->where('table.relationships.cid = ?', $value['cid'])
-            ->where('table.metas.type = ?', 'category'), [self::widget(Rows::class), 'filter']);
+            ->where('table.metas.type = ?', 'category'), [Rows::alloc(), 'filter']);
 
         $value['category'] = null;
         $value['directory'] = [];
@@ -466,7 +466,7 @@ class Contents extends Base
 
             $value['category'] = $value['categories'][0]['slug'];
 
-            $value['directory'] = self::widget(Rows::class)
+            $value['directory'] = Rows::alloc()
                 ->getAllParentsSlug($value['categories'][0]['mid']);
             $value['directory'][] = $value['category'];
         }
@@ -700,7 +700,7 @@ class Contents extends Base
     public function directory(string $split = '/', bool $link = true, ?string $default = null)
     {
         $category = $this->categories[0];
-        $directory = self::widget(Rows::class)->getAllParents($category['mid']);
+        $directory = Rows::alloc()->getAllParents($category['mid']);
         $directory[] = $category;
 
         if ($directory) {
@@ -762,7 +762,7 @@ class Contents extends Base
             ->select()->from('table.metas')
             ->join('table.relationships', 'table.relationships.mid = table.metas.mid')
             ->where('table.relationships.cid = ?', $this->cid)
-            ->where('table.metas.type = ?', 'tag'), [self::widget(Metas::class), 'filter']);
+            ->where('table.metas.type = ?', 'tag'), [Metas::alloc(), 'filter']);
     }
 
     /**
@@ -772,7 +772,7 @@ class Contents extends Base
      */
     protected function ___author(): Widget
     {
-        return self::widget(Author::class . '@' . $this->cid, ['uid' => $this->authorId]);
+        return Author::allocWithAlias($this->cid, ['uid' => $this->authorId]);
     }
 
     /**
diff --git a/var/Widget/Comments/Admin.php b/var/Widget/Comments/Admin.php
index dedbde10..590efbc8 100644
--- a/var/Widget/Comments/Admin.php
+++ b/var/Widget/Comments/Admin.php
@@ -148,8 +148,8 @@ class Admin extends Comments
     protected function ___parentContent(): ?array
     {
         $cid = isset($this->request->cid) ? $this->request->filter('int')->cid : $this->cid;
-        return $this->db->fetchRow(self::widget(Contents::class)->select()
+        return $this->db->fetchRow(Contents::alloc()->select()
             ->where('table.contents.cid = ?', $cid)
-            ->limit(1), [self::widget(Contents::class), 'filter']);
+            ->limit(1), [Contents::alloc(), 'filter']);
     }
 }
diff --git a/var/Widget/Comments/Edit.php b/var/Widget/Comments/Edit.php
index 2e74158b..37d3caad 100644
--- a/var/Widget/Comments/Edit.php
+++ b/var/Widget/Comments/Edit.php
@@ -37,7 +37,7 @@ class Edit extends Comments implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $updateRows > 0 ? _t('评论已经被标记为待审核') : _t('没有评论被标记为待审核'),
                 $updateRows > 0 ? 'success' : 'notice'
@@ -106,7 +106,7 @@ class Edit extends Comments implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $updateRows > 0 ? _t('评论已经被标记为垃圾') : _t('没有评论被标记为垃圾'),
                 $updateRows > 0 ? 'success' : 'notice'
@@ -133,7 +133,7 @@ class Edit extends Comments implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $updateRows > 0 ? _t('评论已经被通过') : _t('没有评论被通过'),
                 $updateRows > 0 ? 'success' : 'notice'
@@ -190,7 +190,7 @@ class Edit extends Comments implements ActionInterface
 
         } else {
             /** 设置提示信息 */
-            self::widget(Notice::class)
+            Notice::alloc()
                 ->set(
                     $deleteRows > 0 ? _t('评论已经被删除') : _t('没有评论被删除'),
                     $deleteRows > 0 ? 'success' : 'notice'
@@ -220,7 +220,7 @@ class Edit extends Comments implements ActionInterface
         $deleteRows = $this->db->query($deleteQuery);
 
         /** 设置提示信息 */
-        self::widget(Notice::class)->set(
+        Notice::alloc()->set(
             $deleteRows > 0 ? _t('所有垃圾评论已经被删除') : _t('没有垃圾评论被删除'),
             $deleteRows > 0 ? 'success' : 'notice'
         );
diff --git a/var/Widget/Contents/Attachment/Edit.php b/var/Widget/Contents/Attachment/Edit.php
index 5974f9ac..536e1aec 100644
--- a/var/Widget/Contents/Attachment/Edit.php
+++ b/var/Widget/Contents/Attachment/Edit.php
@@ -265,7 +265,7 @@ class Edit extends PostEdit implements ActionInterface
                 : ['code' => 500, 'message' => _t('没有文件被删除')]);
         } else {
             /** 设置提示信息 */
-            self::widget(Notice::class)
+            Notice::alloc()
                 ->set(
                     $deleteCount > 0 ? _t('文件已经被删除') : _t('没有文件被删除'),
                     $deleteCount > 0 ? 'success' : 'notice'
diff --git a/var/Widget/Contents/Page/Edit.php b/var/Widget/Contents/Page/Edit.php
index becf964c..c72d2e72 100644
--- a/var/Widget/Contents/Page/Edit.php
+++ b/var/Widget/Contents/Page/Edit.php
@@ -100,16 +100,16 @@ class Edit extends PostEdit implements ActionInterface
             $this->pluginHandle()->finishPublish($contents, $this);
 
             /** 发送ping */
-            self::widget(Service::class)->sendPing($this->cid);
+            Service::alloc()->sendPing($this->cid);
 
             /** 设置提示信息 */
-            self::widget(Notice::class)->set(
+            Notice::alloc()->set(
                 _t('页面 "<a href="%s">%s</a>" 已经发布', $this->permalink, $this->title),
                 'success'
             );
 
             /** 设置高亮 */
-            self::widget(Notice::class)->highlight($this->theId);
+            Notice::alloc()->highlight($this->theId);
 
             /** 页面跳转 */
             $this->response->redirect(Common::url('manage-pages.php?', $this->options->adminUrl));
@@ -122,7 +122,7 @@ class Edit extends PostEdit implements ActionInterface
             $this->pluginHandle()->finishSave($contents, $this);
 
             /** 设置高亮 */
-            self::widget(Notice::class)->highlight($this->cid);
+            Notice::alloc()->highlight($this->cid);
 
             if ($this->request->isAjax()) {
                 $created = new Date($this->options->time);
@@ -134,7 +134,7 @@ class Edit extends PostEdit implements ActionInterface
                 ]);
             } else {
                 /** 设置提示信息 */
-                self::widget(Notice::class)->set(_t('草稿 "%s" 已经被保存', $this->title), 'success');
+                Notice::alloc()->set(_t('草稿 "%s" 已经被保存', $this->title), 'success');
 
                 /** 返回原页面 */
                 $this->response->redirect(Common::url('write-page.php?cid=' . $this->cid, $this->options->adminUrl));
@@ -189,7 +189,7 @@ class Edit extends PostEdit implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $markCount > 0 ? _t('页面已经被标记为<strong>%s</strong>', $statusList[$status]) : _t('没有页面被标记'),
                 $markCount > 0 ? 'success' : 'notice'
@@ -250,7 +250,7 @@ class Edit extends PostEdit implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $deleteCount > 0 ? _t('页面已经被删除') : _t('没有页面被删除'),
                 $deleteCount > 0 ? 'success' : 'notice'
@@ -285,7 +285,7 @@ class Edit extends PostEdit implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $deleteCount > 0 ? _t('草稿已经被删除') : _t('没有草稿被删除'),
                 $deleteCount > 0 ? 'success' : 'notice'
diff --git a/var/Widget/Contents/Post/Admin.php b/var/Widget/Contents/Post/Admin.php
index f4a8dc58..d463eb9a 100644
--- a/var/Widget/Contents/Post/Admin.php
+++ b/var/Widget/Contents/Post/Admin.php
@@ -3,6 +3,7 @@
 namespace Widget\Contents\Post;
 
 use Typecho\Cookie;
+use Typecho\Db;
 use Typecho\Db\Exception as DbException;
 use Typecho\Widget\Exception;
 use Typecho\Db\Query;
diff --git a/var/Widget/Contents/Post/Date.php b/var/Widget/Contents/Post/Date.php
index a908347e..23eea726 100644
--- a/var/Widget/Contents/Post/Date.php
+++ b/var/Widget/Contents/Post/Date.php
@@ -51,7 +51,7 @@ class Date extends Widget
         $this->db = Db::get();
 
         /** 初始化常用组件 */
-        $this->options = self::widget('\Widget\Options');
+        $this->options = Options::alloc();
     }
 
     /**
diff --git a/var/Widget/Contents/Post/Edit.php b/var/Widget/Contents/Post/Edit.php
index cdec22ab..62efbb4d 100644
--- a/var/Widget/Contents/Post/Edit.php
+++ b/var/Widget/Contents/Post/Edit.php
@@ -105,7 +105,7 @@ class Edit extends Contents implements ActionInterface
     public function filter(array $value): array
     {
         if ('post' == $value['type'] || 'page' == $value['type']) {
-            $draft = $this->db->fetchRow(self::widget(Contents::class)->select()
+            $draft = $this->db->fetchRow(Contents::alloc()->select()
                 ->where(
                     'table.contents.parent = ? AND table.contents.type = ?',
                     $value['cid'],
@@ -123,7 +123,7 @@ class Edit extends Contents implements ActionInterface
                     ->select()->from('table.metas')
                     ->join('table.relationships', 'table.relationships.mid = table.metas.mid')
                     ->where('table.relationships.cid = ?', $draft['cid'])
-                    ->where('table.metas.type = ?', 'tag'), [self::widget(Metas::class), 'filter']);
+                    ->where('table.metas.type = ?', 'tag'), [Metas::alloc(), 'filter']);
                 $draft['cid'] = $value['cid'];
 
                 return $draft;
@@ -293,15 +293,15 @@ class Edit extends Contents implements ActionInterface
 
             /** 发送ping */
             $trackback = array_unique(preg_split("/(\r|\n|\r\n)/", trim($this->request->trackback)));
-            self::widget(Service::class)->sendPing($this->cid, $trackback);
+            Service::alloc()->sendPing($this->cid, $trackback);
 
             /** 设置提示信息 */
-            self::widget(Notice::class)->set('post' == $this->type ?
+            Notice::alloc()->set('post' == $this->type ?
                 _t('文章 "<a href="%s">%s</a>" 已经发布', $this->permalink, $this->title) :
                 _t('文章 "%s" 等待审核', $this->title), 'success');
 
             /** 设置高亮 */
-            self::widget(Notice::class)->highlight($this->theId);
+            Notice::alloc()->highlight($this->theId);
 
             /** 获取页面偏移 */
             $pageQuery = $this->getPageOffsetQuery($this->cid);
@@ -317,7 +317,7 @@ class Edit extends Contents implements ActionInterface
             $this->pluginHandle()->finishSave($contents, $this);
 
             /** 设置高亮 */
-            self::widget(Notice::class)->highlight($this->cid);
+            Notice::alloc()->highlight($this->cid);
 
             if ($this->request->isAjax()) {
                 $created = new TypechoDate();
@@ -329,7 +329,7 @@ class Edit extends Contents implements ActionInterface
                 ]);
             } else {
                 /** 设置提示信息 */
-                self::widget(Notice::class)->set(_t('草稿 "%s" 已经被保存', $this->title), 'success');
+                Notice::alloc()->set(_t('草稿 "%s" 已经被保存', $this->title), 'success');
 
                 /** 返回原页面 */
                 $this->response->redirect(Common::url('write-post.php?cid=' . $this->cid, $this->options->adminUrl));
@@ -595,7 +595,7 @@ class Edit extends Contents implements ActionInterface
         }
 
         /** 取出插入tag */
-        $insertTags = self::widget(Metas::class)->scanTags($tags);
+        $insertTags = Metas::alloc()->scanTags($tags);
 
         /** 插入tag */
         if ($insertTags) {
@@ -845,7 +845,7 @@ class Edit extends Contents implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $markCount > 0 ? _t('文章已经被标记为<strong>%s</strong>', $statusList[$status]) : _t('没有文章被标记'),
                 $markCount > 0 ? 'success' : 'notice'
@@ -915,11 +915,11 @@ class Edit extends Contents implements ActionInterface
 
         // 清理标签
         if ($deleteCount > 0) {
-            self::widget(Metas::class)->clearTags();
+            Metas::alloc()->clearTags();
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)->set(
+        Notice::alloc()->set(
             $deleteCount > 0 ? _t('文章已经被删除') : _t('没有文章被删除'),
             $deleteCount > 0 ? 'success' : 'notice'
         );
@@ -965,7 +965,7 @@ class Edit extends Contents implements ActionInterface
         }
 
         /** 设置提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(
                 $deleteCount > 0 ? _t('草稿已经被删除') : _t('没有草稿被删除'),
                 $deleteCount > 0 ? 'success' : 'notice'
@@ -1002,7 +1002,7 @@ class Edit extends Contents implements ActionInterface
                 ->select()->from('table.metas')
                 ->join('table.relationships', 'table.relationships.mid = table.metas.mid')
                 ->where('table.relationships.cid = ?', $this->cid)
-                ->where('table.metas.type = ?', 'tag'), [self::widget(Metas::class), 'filter']);
+                ->where('table.metas.type = ?', 'tag'), [Metas::alloc(), 'filter']);
         }
 
         return [];
@@ -1030,14 +1030,14 @@ class Edit extends Contents implements ActionInterface
             if ('post_draft' == $this->type) {
                 return $this->row;
             } else {
-                return $this->db->fetchRow(self::widget(Contents::class)->select()
+                return $this->db->fetchRow(Contents::alloc()->select()
                     ->where(
                         'table.contents.parent = ? AND (table.contents.type = ? OR table.contents.type = ?)',
                         $this->cid,
                         'post_draft',
                         'page_draft'
                     )
-                    ->limit(1), [self::widget(Contents::class), 'filter']);
+                    ->limit(1), [Contents::alloc(), 'filter']);
             }
         }
 
diff --git a/var/Widget/Init.php b/var/Widget/Init.php
index 3721c1c0..d35a8406 100644
--- a/var/Widget/Init.php
+++ b/var/Widget/Init.php
@@ -33,7 +33,7 @@ class Init extends Widget
     public function execute()
     {
         // init class
-        define('__TYPECHO_REWRITE_CLASS__', [
+        define('__TYPECHO_CLASS_ALIASES__', [
             'Typecho_Plugin_Interface'    => '\Typecho\Plugin\PluginInterface',
             'Typecho_Widget_Helper_Empty' => '\Typecho\Widget\Helper\EmptyClass',
             'Widget_Abstract'             => '\Widget\Base',
@@ -44,12 +44,14 @@ class Init extends Widget
             'Widget_Abstract_Users'       => '\Widget\Base\Users',
             'Widget_Metas_Category_List'  => '\Widget\Metas\Category\Rows',
             'Widget_Contents_Page_List'   => '\Widget\Contents\Page\Rows',
+            'Widget_Plugins_List'         => '\Widget\Plugins\Rows',
+            'Widget_Themes_List'          => '\Widget\Themes\Rows',
             'Widget_Interface_Do'         => '\Widget\ActionInterface',
             'Widget_Do'                   => '\Widget\Action',
         ]);
 
         /** 对变量赋值 */
-        $options = self::widget(Options::class);
+        $options = Options::alloc();
 
         /** 检查安装状态 */
         if (!defined('__TYPECHO_INSTALL__') && !$options->installed) {
@@ -105,7 +107,7 @@ class Init extends Widget
         Date::setTimezoneOffset($options->timezone);
 
         /** 开始会话, 减小负载只针对后台打开session支持 */
-        if (!defined('__TYPECHO_INSTALL__') && self::widget(User::class)->hasLogin()) {
+        if (!defined('__TYPECHO_INSTALL__') && User::alloc()->hasLogin()) {
             @session_start();
         }
     }
diff --git a/var/Widget/Login.php b/var/Widget/Login.php
index b6a0573b..368cf543 100644
--- a/var/Widget/Login.php
+++ b/var/Widget/Login.php
@@ -1,14 +1,14 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 登录动作
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget;
+
+use Typecho\Cookie;
+use Typecho\Validate;
+use Widget\Base\Users;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 登录组件
@@ -18,7 +18,7 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Login extends Widget_Abstract_Users implements Widget_Interface_Do
+class Login extends Users implements ActionInterface
 {
     /**
      * 初始化函数
@@ -38,44 +38,58 @@ class Widget_Login extends Widget_Abstract_Users implements Widget_Interface_Do
         }
 
         /** 初始化验证类 */
-        $validator = new Typecho_Validate();
+        $validator = new Validate();
         $validator->addRule('name', 'required', _t('请输入用户名'));
         $validator->addRule('password', 'required', _t('请输入密码'));
 
         /** 截获验证异常 */
         if ($error = $validator->run($this->request->from('name', 'password'))) {
-            Typecho_Cookie::set('__typecho_remember_name', $this->request->name);
+            Cookie::set('__typecho_remember_name', $this->request->name);
 
             /** 设置提示信息 */
-            self::widget('Widget_Notice')->set($error);
+            Notice::alloc()->set($error);
             $this->response->goBack();
         }
 
         /** 开始验证用户 **/
-        $valid = $this->user->login($this->request->name, $this->request->password,
-            false, 1 == $this->request->remember ? $this->options->time + $this->options->timezone + 30 * 24 * 3600 : 0);
+        $valid = $this->user->login(
+            $this->request->name,
+            $this->request->password,
+            false,
+            1 == $this->request->remember ? $this->options->time + $this->options->timezone + 30 * 24 * 3600 : 0
+        );
 
         /** 比对密码 */
         if (!$valid) {
             /** 防止穷举,休眠3秒 */
             sleep(3);
 
-            $this->pluginHandle()->loginFail($this->user, $this->request->name,
-                $this->request->password, 1 == $this->request->remember);
+            $this->pluginHandle()->loginFail(
+                $this->user,
+                $this->request->name,
+                $this->request->password,
+                1 == $this->request->remember
+            );
 
-            Typecho_Cookie::set('__typecho_remember_name', $this->request->name);
-            self::widget('Widget_Notice')->set(_t('用户名或密码无效'), 'error');
+            Cookie::set('__typecho_remember_name', $this->request->name);
+            Notice::alloc()->set(_t('用户名或密码无效'), 'error');
             $this->response->goBack('?referer=' . urlencode($this->request->referer));
         }
 
-        $this->pluginHandle()->loginSucceed($this->user, $this->request->name,
-            $this->request->password, 1 == $this->request->remember);
+        $this->pluginHandle()->loginSucceed(
+            $this->user,
+            $this->request->name,
+            $this->request->password,
+            1 == $this->request->remember
+        );
 
         /** 跳转验证后地址 */
         if (!empty($this->request->referer)) {
             /** fix #952 & validate redirect url */
-            if (0 === strpos($this->request->referer, $this->options->adminUrl)
-                || 0 === strpos($this->request->referer, $this->options->siteUrl)) {
+            if (
+                0 === strpos($this->request->referer, $this->options->adminUrl)
+                || 0 === strpos($this->request->referer, $this->options->siteUrl)
+            ) {
                 $this->response->redirect($this->request->referer);
             }
         } elseif (!$this->user->pass('contributor', true)) {
diff --git a/var/Widget/Logout.php b/var/Widget/Logout.php
index ce0f7a19..fe083aa6 100644
--- a/var/Widget/Logout.php
+++ b/var/Widget/Logout.php
@@ -1,14 +1,12 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 登出动作
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget;
+
+use Widget\Base\Users;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 登出组件
@@ -18,7 +16,7 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Logout extends Widget_Abstract_Users implements Widget_Interface_Do
+class Logout extends Users implements ActionInterface
 {
     /**
      * 初始化函数
@@ -33,7 +31,7 @@ class Widget_Logout extends Widget_Abstract_Users implements Widget_Interface_Do
 
         $this->user->logout();
         $this->pluginHandle()->logout();
-        $this->response->goBack(null, $this->options->index);
         @session_destroy();
+        $this->response->goBack(null, $this->options->index);
     }
 }
diff --git a/var/Widget/Menu.php b/var/Widget/Menu.php
index 27dd315e..5a6f4cd8 100644
--- a/var/Widget/Menu.php
+++ b/var/Widget/Menu.php
@@ -1,19 +1,31 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * Typecho Blog Platform
- *
- * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license    GNU General Public License 2.0
- * @version    $Id$
- */
+
+namespace Widget;
+
+use Typecho\Common;
+use Typecho\Widget;
+use Widget\Plugins\Config;
+use Widget\Themes\Files;
+use Widget\Users\Edit as UsersEdit;
+use Widget\Contents\Attachment\Edit as AttachmentEdit;
+use Widget\Contents\Post\Edit as PostEdit;
+use Widget\Contents\Page\Edit as PageEdit;
+use Widget\Contents\Post\Admin as PostAdmin;
+use Widget\Comments\Admin as CommentsAdmin;
+use Widget\Metas\Category\Admin as CategoryAdmin;
+use Widget\Metas\Category\Edit as CategoryEdit;
+use Widget\Metas\Tag\Admin as TagAdmin;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 后台菜单显示
  *
  * @package Widget
  */
-class Widget_Menu extends Typecho_Widget
+class Menu extends Widget
 {
     /**
      * 当前菜单标题
@@ -30,50 +42,44 @@ class Widget_Menu extends Typecho_Widget
     /**
      * 全局选项
      *
-     * @access protected
-     * @var Widget_Options
+     * @var Options
      */
     protected $options;
 
     /**
      * 用户对象
      *
-     * @access protected
-     * @var Widget_User
+     * @var User
      */
     protected $user;
 
     /**
      * 父菜单列表
      *
-     * @access private
      * @var array
      */
-    private $_menu = [];
+    private $menu = [];
 
     /**
      * 当前父菜单
      *
-     * @access private
      * @var integer
      */
-    private $_currentParent = 1;
+    private $currentParent = 1;
 
     /**
      * 当前子菜单
      *
-     * @access private
      * @var integer
      */
-    private $_currentChild = 0;
+    private $currentChild = 0;
 
     /**
      * 当前页面
      *
-     * @access private
      * @var string
      */
-    private $_currentUrl;
+    private $currentUrl;
 
     /**
      * 构造函数,初始化组件
@@ -89,15 +95,12 @@ class Widget_Menu extends Typecho_Widget
         parent::__construct($request, $response, $params);
 
         /** 初始化常用组件 */
-        $this->options = self::widget('Widget_Options');
-        $this->user = self::widget('Widget_User');
+        $this->options = Options::alloc();
+        $this->user = User::alloc();
     }
 
     /**
      * 执行函数,初始化菜单
-     *
-     * @access public
-     * @return void
      */
     public function execute()
     {
@@ -112,9 +115,9 @@ class Widget_Menu extends Typecho_Widget
                 [_t('概要'), _t('网站概要'), 'index.php', 'subscriber'],
                 [_t('个人设置'), _t('个人设置'), 'profile.php', 'subscriber'],
                 [_t('插件'), _t('插件管理'), 'plugins.php', 'administrator'],
-                [['Widget_Plugins_Config', 'getMenuTitle'], ['Widget_Plugins_Config', 'getMenuTitle'], 'options-plugin.php?config=', 'administrator', true],
+                [[Config::class, 'getMenuTitle'], [Config::class, 'getMenuTitle'], 'options-plugin.php?config=', 'administrator', true],
                 [_t('外观'), _t('网站外观'), 'themes.php', 'administrator'],
-                [['Widget_Themes_Files', 'getMenuTitle'], ['Widget_Themes_Files', 'getMenuTitle'], 'theme-editor.php', 'administrator', true],
+                [[Files::class, 'getMenuTitle'], [Files::class, 'getMenuTitle'], 'theme-editor.php', 'administrator', true],
                 [_t('设置外观'), _t('设置外观'), 'options-theme.php', 'administrator', true],
                 [_t('备份'), _t('备份'), 'backup.php', 'administrator'],
                 [_t('升级'), _t('升级程序'), 'upgrade.php', 'administrator', true],
@@ -122,28 +125,28 @@ class Widget_Menu extends Typecho_Widget
             ],
             [
                 [_t('撰写文章'), _t('撰写新文章'), 'write-post.php', 'contributor'],
-                [['Widget_Contents_Post_Edit', 'getMenuTitle'], ['Widget_Contents_Post_Edit', 'getMenuTitle'], 'write-post.php?cid=', 'contributor', true],
+                [[PostEdit::class, 'getMenuTitle'], [PostEdit::class, 'getMenuTitle'], 'write-post.php?cid=', 'contributor', true],
                 [_t('创建页面'), _t('创建新页面'), 'write-page.php', 'editor'],
-                [['Widget_Contents_Page_Edit', 'getMenuTitle'], ['Widget_Contents_Page_Edit', 'getMenuTitle'], 'write-page.php?cid=', 'editor', true],
+                [[PageEdit::class, 'getMenuTitle'], [PageEdit::class, 'getMenuTitle'], 'write-page.php?cid=', 'editor', true],
             ],
             [
                 [_t('文章'), _t('管理文章'), 'manage-posts.php', 'contributor', false, 'write-post.php'],
-                [['Widget_Contents_Post_Admin', 'getMenuTitle'], ['Widget_Contents_Post_Admin', 'getMenuTitle'], 'manage-posts.php?uid=', 'contributor', true],
+                [[PostAdmin::class, 'getMenuTitle'], [PostAdmin::class, 'getMenuTitle'], 'manage-posts.php?uid=', 'contributor', true],
                 [_t('独立页面'), _t('管理独立页面'), 'manage-pages.php', 'editor', false, 'write-page.php'],
                 [_t('评论'), _t('管理评论'), 'manage-comments.php', 'contributor'],
-                [['Widget_Comments_Admin', 'getMenuTitle'], ['Widget_Comments_Admin', 'getMenuTitle'], 'manage-comments.php?cid=', 'contributor', true],
+                [[CommentsAdmin::class, 'getMenuTitle'], [CommentsAdmin::class, 'getMenuTitle'], 'manage-comments.php?cid=', 'contributor', true],
                 [_t('分类'), _t('管理分类'), 'manage-categories.php', 'editor', false, 'category.php'],
                 [_t('新增分类'), _t('新增分类'), 'category.php', 'editor', true],
-                [['Widget_Metas_Category_Admin', 'getMenuTitle'], ['Widget_Metas_Category_Admin', 'getMenuTitle'], 'manage-categories.php?parent=', 'editor', true, ['Widget_Metas_Category_Admin', 'getAddLink']],
-                [['Widget_Metas_Category_Edit', 'getMenuTitle'], ['Widget_Metas_Category_Edit', 'getMenuTitle'], 'category.php?mid=', 'editor', true],
-                [['Widget_Metas_Category_Edit', 'getMenuTitle'], ['Widget_Metas_Category_Edit', 'getMenuTitle'], 'category.php?parent=', 'editor', true],
+                [[CategoryAdmin::class, 'getMenuTitle'], [CategoryAdmin::class, 'getMenuTitle'], 'manage-categories.php?parent=', 'editor', true, ['Widget_Metas_Category_Admin', 'getAddLink']],
+                [[CategoryEdit::class, 'getMenuTitle'], [CategoryEdit::class, 'getMenuTitle'], 'category.php?mid=', 'editor', true],
+                [[CategoryEdit::class, 'getMenuTitle'], [CategoryEdit::class, 'getMenuTitle'], 'category.php?parent=', 'editor', true],
                 [_t('标签'), _t('管理标签'), 'manage-tags.php', 'editor'],
-                [['Widget_Metas_Tag_Admin', 'getMenuTitle'], ['Widget_Metas_Tag_Admin', 'getMenuTitle'], 'manage-tags.php?mid=', 'editor', true],
+                [[TagAdmin::class, 'getMenuTitle'], [TagAdmin::class, 'getMenuTitle'], 'manage-tags.php?mid=', 'editor', true],
                 [_t('文件'), _t('管理文件'), 'manage-medias.php', 'editor'],
-                [['Widget_Contents_Attachment_Edit', 'getMenuTitle'], ['Widget_Contents_Attachment_Edit', 'getMenuTitle'], 'media.php?cid=', 'contributor', true],
+                [[AttachmentEdit::class, 'getMenuTitle'], [AttachmentEdit::class, 'getMenuTitle'], 'media.php?cid=', 'contributor', true],
                 [_t('用户'), _t('管理用户'), 'manage-users.php', 'administrator', false, 'user.php'],
                 [_t('新增用户'), _t('新增用户'), 'user.php', 'administrator', true],
-                [['Widget_Users_Edit', 'getMenuTitle'], ['Widget_Users_Edit', 'getMenuTitle'], 'user.php?uid=', 'administrator', true],
+                [[UsersEdit::class, 'getMenuTitle'], [UsersEdit::class, 'getMenuTitle'], 'user.php?uid=', 'administrator', true],
             ],
             [
                 [_t('基本'), _t('基本设置'), 'options-general.php', 'administrator'],
@@ -198,7 +201,7 @@ class Widget_Menu extends Typecho_Widget
                 $orgHidden = $hidden;
 
                 // parse url
-                $url = Typecho_Common::url($url, $adminUrl);
+                $url = Common::url($url, $adminUrl);
 
                 // compare url
                 $urlParts = parse_url($url);
@@ -219,10 +222,12 @@ class Widget_Menu extends Typecho_Widget
                     }
                 }
 
-                if ($validate
+                if (
+                    $validate
                     && basename($urlParts['path']) == 'extending.php'
                     && !empty($currentUrlParams['panel']) && !empty($urlParams['panel'])
-                    && $urlParams['panel'] != $currentUrlParams['panel']) {
+                    && $urlParams['panel'] != $currentUrlParams['panel']
+                ) {
                     $validate = false;
                 }
 
@@ -235,7 +240,7 @@ class Widget_Menu extends Typecho_Widget
                 }
 
                 if (!$hidden) {
-                    $showedChildrenCount ++;
+                    $showedChildrenCount++;
 
                     if (empty($firstUrl)) {
                         $firstUrl = $url;
@@ -243,17 +248,17 @@ class Widget_Menu extends Typecho_Widget
 
                     if (is_array($name)) {
                         [$widget, $method] = $name;
-                        $name = Typecho_Widget::widget($widget)->$method();
+                        $name = self::widget($widget)->$method();
                     }
 
                     if (is_array($title)) {
                         [$widget, $method] = $title;
-                        $title = Typecho_Widget::widget($widget)->$method();
+                        $title = self::widget($widget)->$method();
                     }
 
                     if (is_array($addLink)) {
                         [$widget, $method] = $addLink;
-                        $addLink = Typecho_Widget::widget($widget)->$method();
+                        $addLink = self::widget($widget)->$method();
                     }
                 }
 
@@ -262,10 +267,10 @@ class Widget_Menu extends Typecho_Widget
                         $this->user->pass($access);
                     }
 
-                    $this->_currentParent = $key;
-                    $this->_currentChild = $inKey;
+                    $this->currentParent = $key;
+                    $this->currentChild = $inKey;
                     $this->title = $title;
-                    $this->addLink = $addLink ? Typecho_Common::url($addLink, $adminUrl) : null;
+                    $this->addLink = $addLink ? Common::url($addLink, $adminUrl) : null;
                 }
 
                 $children[$inKey] = [
@@ -282,35 +287,31 @@ class Widget_Menu extends Typecho_Widget
             $menu[$key] = [$parentNode, $showedChildrenCount > 0, $firstUrl, $children];
         }
 
-        $this->_menu = $menu;
-        $this->_currentUrl = $currentUrl;
+        $this->menu = $menu;
+        $this->currentUrl = $currentUrl;
     }
 
     /**
      * 获取当前菜单
      *
-     * @access public
      * @return array
      */
-    public function getCurrentMenu()
+    public function getCurrentMenu(): ?array
     {
-        return $this->_currentParent > 0 ? $this->_menu[$this->_currentParent][3][$this->_currentChild] : null;
+        return $this->currentParent > 0 ? $this->menu[$this->currentParent][3][$this->currentChild] : null;
     }
 
     /**
      * 输出父级菜单
-     *
-     * @access public
-     * @return string
      */
     public function output($class = 'focus', $childClass = 'focus')
     {
-        foreach ($this->_menu as $key => $node) {
+        foreach ($this->menu as $key => $node) {
             if (!$node[1] || !$key) {
                 continue;
             }
 
-            echo "<ul class=\"root" . ($key == $this->_currentParent ? ' ' . $class : null)
+            echo "<ul class=\"root" . ($key == $this->currentParent ? ' ' . $class : null)
                 . "\"><li class=\"parent\"><a href=\"{$node[2]}\">{$node[0]}</a>"
                 . "</li><ul class=\"child\">";
 
@@ -327,7 +328,7 @@ class Widget_Menu extends Typecho_Widget
                 }
 
                 $classes = [];
-                if ($key == $this->_currentParent && $inKey == $this->_currentChild) {
+                if ($key == $this->currentParent && $inKey == $this->currentChild) {
                     $classes[] = $childClass;
                 } elseif ($inNode[6]) {
                     continue;
@@ -337,8 +338,9 @@ class Widget_Menu extends Typecho_Widget
                     $classes[] = 'last';
                 }
 
-                echo "<li" . (!empty($classes) ? ' class="' . implode(' ', $classes) . '"' : null) .
-                    "><a href=\"" . ($key == $this->_currentParent && $inKey == $this->_currentChild ? $this->_currentUrl : $inNode[2]) . "\">{$inNode[0]}</a></li>";
+                echo "<li" . (!empty($classes) ? ' class="' . implode(' ', $classes) . '"' : null) . "><a href=\""
+                    . ($key == $this->currentParent && $inKey == $this->currentChild ? $this->currentUrl : $inNode[2])
+                    . "\">{$inNode[0]}</a></li>";
             }
 
             echo "</ul></ul>";
diff --git a/var/Widget/Metas/Category/Edit.php b/var/Widget/Metas/Category/Edit.php
index 6f433d9e..63bb7cf5 100644
--- a/var/Widget/Metas/Category/Edit.php
+++ b/var/Widget/Metas/Category/Edit.php
@@ -137,10 +137,10 @@ class Edit extends Metas implements ActionInterface
         $this->push($category);
 
         /** 设置高亮 */
-        self::widget(Notice::class)->highlight($this->theId);
+        Notice::alloc()->highlight($this->theId);
 
         /** 提示信息 */
-        self::widget(Notice::class)->set(
+        Notice::alloc()->set(
             _t('分类 <a href="%s">%s</a> 已经被增加', $this->permalink, $this->name),
             'success'
         );
@@ -178,8 +178,8 @@ class Edit extends Metas implements ActionInterface
 
         /** 父级分类 */
         $options = [0 => _t('不选择')];
-        $parents = self::widget(
-            Rows::class . '@options',
+        $parents = Rows::allocWithAlias(
+            'options',
             (isset($this->request->mid) ? 'ignore=' . $this->request->mid : '')
         );
 
@@ -302,10 +302,10 @@ class Edit extends Metas implements ActionInterface
         $this->push($category);
 
         /** 设置高亮 */
-        self::widget(Notice::class)->highlight($this->theId);
+        Notice::alloc()->highlight($this->theId);
 
         /** 提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set(_t('分类 <a href="%s">%s</a> 已经被更新', $this->permalink, $this->name), 'success');
 
         /** 转向原页 */
@@ -336,7 +336,7 @@ class Edit extends Metas implements ActionInterface
         }
 
         /** 提示信息 */
-        self::widget(Notice::class)
+        Notice::alloc()
             ->set($deleteCount > 0 ? _t('分类已经删除') : _t('没有分类被删除'), $deleteCount > 0 ? 'success' : 'notice');
 
         /** 转向原页 */
@@ -354,7 +354,7 @@ class Edit extends Metas implements ActionInterface
         $validator->addRule('merge', [$this, 'categoryExists'], _t('请选择需要合并的分类'));
 
         if ($error = $validator->run($this->request->from('merge'))) {
-            self::widget(Notice::class)->set($error, 'error');
+            Notice::alloc()->set($error, 'error');
             $this->response->goBack();
         }
 
@@ -365,9 +365,9 @@ class Edit extends Metas implements ActionInterface
             $this->merge($merge, 'category', $categories);
 
             /** 提示信息 */
-            self::widget(Notice::class)->set(_t('分类已经合并'), 'success');
+            Notice::alloc()->set(_t('分类已经合并'), 'success');
         } else {
-            self::widget(Notice::class)->set(_t('没有选择任何分类'), 'notice');
+            Notice::alloc()->set(_t('没有选择任何分类'), 'notice');
         }
 
         /** 转向原页 */
@@ -405,9 +405,9 @@ class Edit extends Metas implements ActionInterface
                 $this->refreshCountByTypeAndStatus($category, 'post', 'publish');
             }
 
-            self::widget(Notice::class)->set(_t('分类刷新已经完成'), 'success');
+            Notice::alloc()->set(_t('分类刷新已经完成'), 'success');
         } else {
-            self::widget(Notice::class)->set(_t('没有选择任何分类'), 'notice');
+            Notice::alloc()->set(_t('没有选择任何分类'), 'notice');
         }
 
         /** 转向原页 */
@@ -427,7 +427,7 @@ class Edit extends Metas implements ActionInterface
         $validator->addRule('mid', [$this, 'categoryExists'], _t('分类不存在'));
 
         if ($error = $validator->run($this->request->from('mid'))) {
-            self::widget(Notice::class)->set($error, 'error');
+            Notice::alloc()->set($error, 'error');
         } else {
             $this->db->query($this->db->update('table.options')
                 ->rows(['value' => $this->request->mid])
@@ -437,10 +437,10 @@ class Edit extends Metas implements ActionInterface
                 ->where('type = ?', 'category')->limit(1), [$this, 'push']);
 
             /** 设置高亮 */
-            self::widget(Notice::class)->highlight($this->theId);
+            Notice::alloc()->highlight($this->theId);
 
             /** 提示信息 */
-            self::widget(Notice::class)->set(
+            Notice::alloc()->set(
                 _t('<a href="%s">%s</a> 已经被设为默认分类', $this->permalink, $this->name),
                 'success'
             );
diff --git a/var/Widget/Metas/Tag/Edit.php b/var/Widget/Metas/Tag/Edit.php
index 16cf53f0..2425f5ae 100644
--- a/var/Widget/Metas/Tag/Edit.php
+++ b/var/Widget/Metas/Tag/Edit.php
@@ -135,10 +135,10 @@ class Edit extends Metas implements ActionInterface
         $this->push($tag);
 
         /** 设置高亮 */
-        self::widget(Notice::class)->highlight($this->theId);
+        Notice::alloc()->highlight($this->theId);
 
         /** 提示信息 */
-        self::widget(Notice::class)->set(
+        Notice::alloc()->set(
             _t('标签 <a href="%s">%s</a> 已经被增加', $this->permalink, $this->name),
             'success'
         );
@@ -257,10 +257,10 @@ class Edit extends Metas implements ActionInterface
         $this->push($tag);
 
         /** 设置高亮 */
-        self::widget(Notice::class)->highlight($this->theId);
+        Notice::alloc()->highlight($this->theId);
 
         /** 提示信息 */
-        self::widget(Notice::class)->set(
+        Notice::alloc()->set(
             _t('标签 <a href="%s">%s</a> 已经被更新', $this->permalink, $this->name),
             'success'
         );
@@ -289,7 +289,7 @@ class Edit extends Metas implements ActionInterface
         }
 
         /** 提示信息 */
-        self::widget(Notice::class)->set(
+        Notice::alloc()->set(
             $deleteCount > 0 ? _t('标签已经删除') : _t('没有标签被删除'),
             $deleteCount > 0 ? 'success' : 'notice'
         );
@@ -306,13 +306,13 @@ class Edit extends Metas implements ActionInterface
     public function mergeTag()
     {
         if (empty($this->request->merge)) {
-            self::widget(Notice::class)->set(_t('请填写需要合并到的标签'), 'notice');
+            Notice::alloc()->set(_t('请填写需要合并到的标签'), 'notice');
             $this->response->goBack();
         }
 
         $merge = $this->scanTags($this->request->merge);
         if (empty($merge)) {
-            self::widget(Notice::class)->set(_t('合并到的标签名不合法'), 'error');
+            Notice::alloc()->set(_t('合并到的标签名不合法'), 'error');
             $this->response->goBack();
         }
 
@@ -322,9 +322,9 @@ class Edit extends Metas implements ActionInterface
             $this->merge($merge, 'tag', $tags);
 
             /** 提示信息 */
-            self::widget(Notice::class)->set(_t('标签已经合并'), 'success');
+            Notice::alloc()->set(_t('标签已经合并'), 'success');
         } else {
-            self::widget(Notice::class)->set(_t('没有选择任何标签'), 'notice');
+            Notice::alloc()->set(_t('没有选择任何标签'), 'notice');
         }
 
         /** 转向原页 */
@@ -349,9 +349,9 @@ class Edit extends Metas implements ActionInterface
             // 自动清理标签
             $this->clearTags();
 
-            self::widget(Notice::class)->set(_t('标签刷新已经完成'), 'success');
+            Notice::alloc()->set(_t('标签刷新已经完成'), 'success');
         } else {
-            self::widget(Notice::class)->set(_t('没有选择任何标签'), 'notice');
+            Notice::alloc()->set(_t('没有选择任何标签'), 'notice');
         }
 
         /** 转向原页 */
diff --git a/var/Widget/Notice.php b/var/Widget/Notice.php
index 4d22426e..004cc0f0 100644
--- a/var/Widget/Notice.php
+++ b/var/Widget/Notice.php
@@ -34,7 +34,7 @@ class Notice extends Widget
         Cookie::set(
             '__typecho_notice_highlight',
             $theId,
-            self::widget(Options::class)->time + self::widget(Options::class)->timezone + 86400
+            Options::alloc()->time + Options::alloc()->timezone + 86400
         );
     }
 
@@ -65,12 +65,12 @@ class Notice extends Widget
         Cookie::set(
             '__typecho_notice',
             json_encode($notice),
-            self::widget(Options::class)->time + self::widget(Options::class)->timezone + 86400
+            Options::alloc()->time + Options::alloc()->timezone + 86400
         );
         Cookie::set(
             '__typecho_notice_type',
             $type,
-            self::widget(Options::class)->time + self::widget(Options::class)->timezone + 86400
+            Options::alloc()->time + Options::alloc()->timezone + 86400
         );
     }
 }
diff --git a/var/Widget/Options.php b/var/Widget/Options.php
index cf9e4c15..44c99128 100644
--- a/var/Widget/Options.php
+++ b/var/Widget/Options.php
@@ -455,7 +455,7 @@ class Options extends Widget
      */
     protected function ___loginAction(): string
     {
-        return self::widget(Security::class)->getTokenUrl(
+        return Security::alloc()->getTokenUrl(
             Router::url(
                 'do',
                 ['action' => 'login', 'widget' => 'Login'],
@@ -482,7 +482,7 @@ class Options extends Widget
      */
     protected function ___registerAction(): string
     {
-        return self::widget(Security::class)->getTokenUrl(
+        return Security::alloc()->getTokenUrl(
             Router::url('do', ['action' => 'register', 'widget' => 'Register'], $this->index)
         );
     }
@@ -504,7 +504,7 @@ class Options extends Widget
      */
     protected function ___logoutUrl(): string
     {
-        return self::widget(Security::class)->getTokenUrl(
+        return Security::alloc()->getTokenUrl(
             Common::url('/action/logout', $this->index)
         );
     }
diff --git a/var/Widget/Plugins/Config.php b/var/Widget/Plugins/Config.php
index cf8f86e1..d9cdd234 100644
--- a/var/Widget/Plugins/Config.php
+++ b/var/Widget/Plugins/Config.php
@@ -1,12 +1,15 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * Typecho Blog Platform
- *
- * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license    GNU General Public License 2.0
- * @version    $Id$
- */
+
+namespace Widget\Plugins;
+
+use Typecho\Plugin;
+use Typecho\Widget\Exception;
+use Typecho\Widget\Helper\Form;
+use Widget\Base\Options;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 插件配置组件
@@ -17,12 +20,11 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Plugins_Config extends Widget_Abstract_Options
+class Config extends Options
 {
     /**
      * 获取插件信息
      *
-     * @access public
      * @var array
      */
     public $info;
@@ -30,45 +32,42 @@ class Widget_Plugins_Config extends Widget_Abstract_Options
     /**
      * 插件文件路径
      *
-     * @access private
      * @var string
      */
-    private $_pluginFileName;
+    private $pluginFileName;
 
     /**
      * 插件类
      *
-     * @access private
      * @var string
      */
-    private $_className;
+    private $className;
 
     /**
      * 绑定动作
      *
-     * @access public
+     * @throws Plugin\Exception
+     * @throws Exception|\Typecho\Db\Exception
      */
     public function execute()
     {
         $this->user->pass('administrator');
         $config = $this->request->filter('slug')->config;
         if (empty($config)) {
-            throw new Typecho_Widget_Exception(_t('插件不存在'), 404);
+            throw new Exception(_t('插件不存在'), 404);
         }
 
         /** 获取插件入口 */
-        [$this->_pluginFileName, $this->_className] = Typecho_Plugin::portal($config,
-            $this->options->pluginDir($config));
-        $this->info = Typecho_Plugin::parseInfo($this->_pluginFileName);
+        [$this->pluginFileName, $this->className] = Plugin::portal($config, $this->options->pluginDir($config));
+        $this->info = Plugin::parseInfo($this->pluginFileName);
     }
 
     /**
      * 获取菜单标题
      *
-     * @access public
      * @return string
      */
-    public function getMenuTitle()
+    public function getMenuTitle(): string
     {
         return _t('设置插件 %s', $this->info['title']);
     }
@@ -76,9 +75,8 @@ class Widget_Plugins_Config extends Widget_Abstract_Options
     /**
      * 配置插件
      *
-     * @access public
-     * @return Typecho_Widget_Helper_Form
-     * @throws Typecho_Widget_Exception
+     * @return Form
+     * @throws Exception|Plugin\Exception
      */
     public function config()
     {
@@ -86,19 +84,18 @@ class Widget_Plugins_Config extends Widget_Abstract_Options
         $pluginName = $this->request->filter('slug')->config;
 
         /** 获取已启用插件 */
-        $plugins = Typecho_Plugin::export();
+        $plugins = Plugin::export();
         $activatedPlugins = $plugins['activated'];
 
         /** 判断实例化是否成功 */
         if (!$this->info['config'] || !isset($activatedPlugins[$pluginName])) {
-            throw new Typecho_Widget_Exception(_t('无法配置插件'), 500);
+            throw new Exception(_t('无法配置插件'), 500);
         }
 
         /** 载入插件 */
-        require_once $this->_pluginFileName;
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/plugins-edit?config=' . $pluginName),
-            Typecho_Widget_Helper_Form::POST_METHOD);
-        call_user_func([$this->_className, 'config'], $form);
+        require_once $this->pluginFileName;
+        $form = new Form($this->security->getIndex('/action/plugins-edit?config=' . $pluginName), Form::POST_METHOD);
+        call_user_func([$this->className, 'config'], $form);
 
         $options = $this->options->plugin($pluginName);
 
@@ -108,7 +105,7 @@ class Widget_Plugins_Config extends Widget_Abstract_Options
             }
         }
 
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit(null, null, _t('保存设置'));
+        $submit = new Form\Element\Submit(null, null, _t('保存设置'));
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
         return $form;
diff --git a/var/Widget/Plugins/Edit.php b/var/Widget/Plugins/Edit.php
index 22b59c5f..b7fcb6b6 100644
--- a/var/Widget/Plugins/Edit.php
+++ b/var/Widget/Plugins/Edit.php
@@ -1,14 +1,19 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 插件管理
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget\Plugins;
+
+use Typecho\Common;
+use Typecho\Db;
+use Typecho\Plugin;
+use Typecho\Widget\Exception;
+use Typecho\Widget\Helper\Form;
+use Widget\ActionInterface;
+use Widget\Base\Options;
+use Widget\Notice;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 插件管理组件
@@ -19,56 +24,60 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Interface_Do
+class Edit extends Options implements ActionInterface
 {
     /**
      * @var bool
      */
-    private $_configNoticed = false;
+    private $configNoticed = false;
 
     /**
      * 启用插件
      *
      * @param $pluginName
-     * @throws Typecho_Widget_Exception
+     * @throws Exception|Db\Exception|Plugin\Exception
      */
     public function activate($pluginName)
     {
         /** 获取插件入口 */
-        [$pluginFileName, $className] = Typecho_Plugin::portal($pluginName, $this->options->pluginDir($pluginName));
-        $info = Typecho_Plugin::parseInfo($pluginFileName);
+        [$pluginFileName, $className] = Plugin::portal($pluginName, $this->options->pluginDir($pluginName));
+        $info = Plugin::parseInfo($pluginFileName);
 
         /** 检测依赖信息 */
-        if (Typecho_Plugin::checkDependence(Typecho_Common::VERSION, $info['dependence'])) {
+        if (Plugin::checkDependence(Common::VERSION, $info['dependence'])) {
 
             /** 获取已启用插件 */
-            $plugins = Typecho_Plugin::export();
+            $plugins = Plugin::export();
             $activatedPlugins = $plugins['activated'];
 
             /** 载入插件 */
             require_once $pluginFileName;
 
             /** 判断实例化是否成功 */
-            if (isset($activatedPlugins[$pluginName]) || !class_exists($className)
-                || !method_exists($className, 'activate')) {
-                throw new Typecho_Widget_Exception(_t('无法启用插件'), 500);
+            if (
+                isset($activatedPlugins[$pluginName]) || !class_exists($className)
+                || !method_exists($className, 'activate')
+            ) {
+                throw new Exception(_t('无法启用插件'), 500);
             }
 
             try {
                 $result = call_user_func([$className, 'activate']);
-                Typecho_Plugin::activate($pluginName);
-                $this->update(['value' => serialize(Typecho_Plugin::export())],
-                    $this->db->sql()->where('name = ?', 'plugins'));
-            } catch (Typecho_Plugin_Exception $e) {
+                Plugin::activate($pluginName);
+                $this->update(
+                    ['value' => serialize(Plugin::export())],
+                    $this->db->sql()->where('name = ?', 'plugins')
+                );
+            } catch (Plugin\Exception $e) {
                 /** 截获异常 */
-                self::widget('Widget_Notice')->set($e->getMessage(), 'error');
+                Notice::alloc()->set($e->getMessage(), 'error');
                 $this->response->goBack();
             }
 
-            $form = new Typecho_Widget_Helper_Form();
+            $form = new Form();
             call_user_func([$className, 'config'], $form);
 
-            $personalForm = new Typecho_Widget_Helper_Form();
+            $personalForm = new Form();
             call_user_func([$className, 'personalConfig'], $personalForm);
 
             $options = $form->getValues();
@@ -81,20 +90,17 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
             if ($personalOptions && !$this->personalConfigHandle($className, $personalOptions)) {
                 self::configPlugin($pluginName, $personalOptions, true);
             }
-
         } else {
-
             $result = _t('<a href="%s">%s</a> 无法在此版本的typecho下正常工作', $info['homepage'], $info['title']);
-
         }
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('plugin-' . $pluginName);
+        Notice::alloc()->highlight('plugin-' . $pluginName);
 
         if (isset($result) && is_string($result)) {
-            self::widget('Widget_Notice')->set($result, 'notice');
+            Notice::alloc()->set($result, 'notice');
         } else {
-            self::widget('Widget_Notice')->set(_t('插件已经被启用'), 'success');
+            Notice::alloc()->set(_t('插件已经被启用'), 'success');
         }
         $this->response->goBack();
     }
@@ -107,18 +113,19 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
      * @param array $settings 配置值
      * @param boolean $isInit 是否为初始化
      * @return boolean
+     * @throws Plugin\Exception
      */
-    public function configHandle($pluginName, array $settings, $isInit)
+    public function configHandle(string $pluginName, array $settings, bool $isInit): bool
     {
         /** 获取插件入口 */
-        [$pluginFileName, $className] = Typecho_Plugin::portal($pluginName, $this->options->pluginDir($pluginName));
+        [$pluginFileName, $className] = Plugin::portal($pluginName, $this->options->pluginDir($pluginName));
 
         if (!$isInit && method_exists($className, 'configCheck')) {
             $result = call_user_func([$className, 'configCheck'], $settings);
 
             if (!empty($result) && is_string($result)) {
-                self::widget('Widget_Notice')->set($result, 'notice');
-                $this->_configNoticed = true;
+                Notice::alloc()->set($result, 'notice');
+                $this->configNoticed = true;
             }
         }
 
@@ -133,13 +140,14 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
     /**
      * 手动配置插件变量
      *
-     * @param       $pluginName 插件名称
+     * @param string $pluginName 插件名称
      * @param array $settings 变量键值对
      * @param bool $isPersonal 是否为私人变量
+     * @throws Db\Exception
      */
-    public static function configPlugin($pluginName, array $settings, $isPersonal = false)
+    public static function configPlugin(string $pluginName, array $settings, bool $isPersonal = false)
     {
-        $db = Typecho_Db::get();
+        $db = Db::get();
         $pluginName = ($isPersonal ? '_' : '') . 'plugin:' . $pluginName;
 
         $select = $db->select()->from('table.options')
@@ -176,12 +184,11 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
     /**
      * 用自有函数处理自定义配置信息
      *
-     * @access public
      * @param string $className 类名
      * @param array $settings 配置值
      * @return boolean
      */
-    public function personalConfigHandle($className, array $settings)
+    public function personalConfigHandle(string $className, array $settings): bool
     {
         if (method_exists($className, 'personalConfigHandle')) {
             call_user_func([$className, 'personalConfigHandle'], $settings, true);
@@ -194,22 +201,22 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
     /**
      * 禁用插件
      *
-     * @param $pluginName
-     * @throws Typecho_Widget_Exception
+     * @param string $pluginName
+     * @throws Db\Exception
      * @throws Exception
-     * @throws Typecho_Plugin_Exception
+     * @throws Plugin\Exception
      */
-    public function deactivate($pluginName)
+    public function deactivate(string $pluginName)
     {
         /** 获取已启用插件 */
-        $plugins = Typecho_Plugin::export();
+        $plugins = Plugin::export();
         $activatedPlugins = $plugins['activated'];
         $pluginFileExist = true;
 
         try {
             /** 获取插件入口 */
-            [$pluginFileName, $className] = Typecho_Plugin::portal($pluginName, $this->options->pluginDir($pluginName));
-        } catch (Typecho_Plugin_Exception $e) {
+            [$pluginFileName, $className] = Plugin::portal($pluginName, $this->options->pluginDir($pluginName));
+        } catch (Plugin\Exception $e) {
             $pluginFileExist = false;
 
             if (!isset($activatedPlugins[$pluginName])) {
@@ -219,7 +226,7 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
 
         /** 判断实例化是否成功 */
         if (!isset($activatedPlugins[$pluginName])) {
-            throw new Typecho_Widget_Exception(_t('无法禁用插件'), 500);
+            throw new Exception(_t('无法禁用插件'), 500);
         }
 
         if ($pluginFileExist) {
@@ -228,34 +235,35 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
             require_once $pluginFileName;
 
             /** 判断实例化是否成功 */
-            if (!isset($activatedPlugins[$pluginName]) || !class_exists($className)
-                || !method_exists($className, 'deactivate')) {
-                throw new Typecho_Widget_Exception(_t('无法禁用插件'), 500);
+            if (
+                !isset($activatedPlugins[$pluginName]) || !class_exists($className)
+                || !method_exists($className, 'deactivate')
+            ) {
+                throw new Exception(_t('无法禁用插件'), 500);
             }
 
             try {
                 $result = call_user_func([$className, 'deactivate']);
-            } catch (Typecho_Plugin_Exception $e) {
+            } catch (Plugin\Exception $e) {
                 /** 截获异常 */
-                self::widget('Widget_Notice')->set($e->getMessage(), 'error');
+                Notice::alloc()->set($e->getMessage(), 'error');
                 $this->response->goBack();
             }
 
             /** 设置高亮 */
-            self::widget('Widget_Notice')->highlight('plugin-' . $pluginName);
+            Notice::alloc()->highlight('plugin-' . $pluginName);
         }
 
-        Typecho_Plugin::deactivate($pluginName);
-        $this->update(['value' => serialize(Typecho_Plugin::export())],
-            $this->db->sql()->where('name = ?', 'plugins'));
+        Plugin::deactivate($pluginName);
+        $this->update(['value' => serialize(Plugin::export())], $this->db->sql()->where('name = ?', 'plugins'));
 
         $this->delete($this->db->sql()->where('name = ?', 'plugin:' . $pluginName));
         $this->delete($this->db->sql()->where('name = ?', '_plugin:' . $pluginName));
 
         if (isset($result) && is_string($result)) {
-            self::widget('Widget_Notice')->set($result, 'notice');
+            Notice::alloc()->set($result, 'notice');
         } else {
-            self::widget('Widget_Notice')->set(_t('插件已经被禁用'), 'success');
+            Notice::alloc()->set(_t('插件已经被禁用'), 'success');
         }
         $this->response->goBack();
     }
@@ -263,13 +271,14 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
     /**
      * 配置插件
      *
-     * @param $pluginName
-     * @access public
-     * @return void
+     * @param string $pluginName
+     * @throws Db\Exception
+     * @throws Exception
+     * @throws Plugin\Exception
      */
-    public function config($pluginName)
+    public function config(string $pluginName)
     {
-        $form = self::widget('Widget_Plugins_Config')->config();
+        $form = Config::alloc()->config();
 
         /** 验证表单 */
         if ($form->validate()) {
@@ -283,22 +292,19 @@ class Widget_Plugins_Edit extends Widget_Abstract_Options implements Widget_Inte
         }
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('plugin-' . $pluginName);
+        Notice::alloc()->highlight('plugin-' . $pluginName);
 
-        if (!$this->_configNoticed) {
+        if (!$this->configNoticed) {
             /** 提示信息 */
-            self::widget('Widget_Notice')->set(_t("插件设置已经保存"), 'success');
+            Notice::alloc()->set(_t("插件设置已经保存"), 'success');
         }
 
         /** 转向原页 */
-        $this->response->redirect(Typecho_Common::url('plugins.php', $this->options->adminUrl));
+        $this->response->redirect(Common::url('plugins.php', $this->options->adminUrl));
     }
 
     /**
      * 绑定动作
-     *
-     * @access public
-     * @return void
      */
     public function action()
     {
diff --git a/var/Widget/Plugins/List.php b/var/Widget/Plugins/Rows.php
similarity index 82%
rename from var/Widget/Plugins/List.php
rename to var/Widget/Plugins/Rows.php
index a08567b8..eabcd1be 100644
--- a/var/Widget/Plugins/List.php
+++ b/var/Widget/Plugins/Rows.php
@@ -1,12 +1,14 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * Typecho Blog Platform
- *
- * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license    GNU General Public License 2.0
- * @version    $Id$
- */
+
+namespace Widget\Plugins;
+
+use Typecho\Common;
+use Typecho\Plugin;
+use Typecho\Widget;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 插件列表组件
@@ -17,7 +19,7 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Plugins_List extends Typecho_Widget
+class Rows extends Widget
 {
     /**
      * 已启用插件
@@ -40,7 +42,7 @@ class Widget_Plugins_List extends Typecho_Widget
         $this->parameter->setDefault(['activated' => null]);
 
         /** 获取已启用插件 */
-        $plugins = Typecho_Plugin::export();
+        $plugins = Plugin::export();
         $this->activatedPlugins = $plugins['activated'];
 
         if (!empty($pluginDirs)) {
@@ -53,11 +55,11 @@ class Widget_Plugins_List extends Typecho_Widget
                 [$pluginName, $pluginFileName] = $parts;
 
                 if (file_exists($pluginFileName)) {
-                    $info = Typecho_Plugin::parseInfo($pluginFileName);
+                    $info = Plugin::parseInfo($pluginFileName);
                     $info['name'] = $pluginName;
 
-                    $info['dependence'] = Typecho_Plugin::checkDependence(
-                        Typecho_Common::VERSION,
+                    $info['dependence'] = Plugin::checkDependence(
+                        Common::VERSION,
                         $info['dependence']
                     );
 
@@ -83,7 +85,7 @@ class Widget_Plugins_List extends Typecho_Widget
     /**
      * @return array
      */
-    protected function getPlugins()
+    protected function getPlugins(): array
     {
         return glob(__TYPECHO_ROOT_DIR__ . '/' . __TYPECHO_PLUGIN_DIR__ . '/*');
     }
@@ -93,7 +95,7 @@ class Widget_Plugins_List extends Typecho_Widget
      * @param string $index
      * @return array|null
      */
-    protected function getPlugin($plugin, $index)
+    protected function getPlugin(string $plugin, string $index): ?array
     {
         if (is_dir($plugin)) {
             /** 获取插件名称 */
diff --git a/var/Widget/Register.php b/var/Widget/Register.php
index 53b847c6..cd6b6ca7 100644
--- a/var/Widget/Register.php
+++ b/var/Widget/Register.php
@@ -1,5 +1,16 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
+
+namespace Widget;
+
+use Typecho\Common;
+use Typecho\Cookie;
+use Typecho\Db\Exception;
+use Typecho\Validate;
+use Widget\Base\Users;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 注册组件
@@ -8,13 +19,12 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @category typecho
  * @package Widget
  */
-class Widget_Register extends Widget_Abstract_Users implements Widget_Interface_Do
+class Register extends Users implements ActionInterface
 {
     /**
      * 初始化函数
      *
-     * @access public
-     * @return void
+     * @throws Exception
      */
     public function action()
     {
@@ -28,7 +38,7 @@ class Widget_Register extends Widget_Abstract_Users implements Widget_Interface_
         }
 
         /** 初始化验证类 */
-        $validator = new Typecho_Validate();
+        $validator = new Validate();
         $validator->addRule('name', 'required', _t('必须填写用户名称'));
         $validator->addRule('name', 'minLength', _t('用户名至少包含2个字符'), 2);
         $validator->addRule('name', 'maxLength', _t('用户名最多包含32个字符'), 32);
@@ -49,16 +59,16 @@ class Widget_Register extends Widget_Abstract_Users implements Widget_Interface_
 
         /** 截获验证异常 */
         if ($error = $validator->run($this->request->from('name', 'password', 'mail', 'confirm'))) {
-            Typecho_Cookie::set('__typecho_remember_name', $this->request->name);
-            Typecho_Cookie::set('__typecho_remember_mail', $this->request->mail);
+            Cookie::set('__typecho_remember_name', $this->request->name);
+            Cookie::set('__typecho_remember_mail', $this->request->mail);
 
             /** 设置提示信息 */
-            self::widget('Widget_Notice')->set($error);
+            Notice::alloc()->set($error);
             $this->response->goBack();
         }
 
-        $hasher = new PasswordHash(8, true);
-        $generatedPassword = Typecho_Common::randString(7);
+        $hasher = new \PasswordHash(8, true);
+        $generatedPassword = Common::randString(7);
 
         $dataStruct = [
             'name' => $this->request->name,
@@ -79,11 +89,18 @@ class Widget_Register extends Widget_Abstract_Users implements Widget_Interface_
 
         $this->user->login($this->request->name, $generatedPassword);
 
-        Typecho_Cookie::delete('__typecho_first_run');
-        Typecho_Cookie::delete('__typecho_remember_name');
-        Typecho_Cookie::delete('__typecho_remember_mail');
+        Cookie::delete('__typecho_first_run');
+        Cookie::delete('__typecho_remember_name');
+        Cookie::delete('__typecho_remember_mail');
 
-        self::widget('Widget_Notice')->set(_t('用户 <strong>%s</strong> 已经成功注册, 密码为 <strong>%s</strong>', $this->screenName, $generatedPassword), 'success');
+        Notice::alloc()->set(
+            _t(
+                '用户 <strong>%s</strong> 已经成功注册, 密码为 <strong>%s</strong>',
+                $this->screenName,
+                $generatedPassword
+            ),
+            'success'
+        );
         $this->response->redirect($this->options->adminUrl);
     }
 }
diff --git a/var/Widget/Security.php b/var/Widget/Security.php
index 8ced138c..a296d5da 100644
--- a/var/Widget/Security.php
+++ b/var/Widget/Security.php
@@ -39,8 +39,8 @@ class Security extends Widget
      */
     public function execute()
     {
-        $this->options = self::widget(Options::class);
-        $user = self::widget(User::class);
+        $this->options = Options::alloc();
+        $user = User::alloc();
 
         $this->token = $this->options->secret;
         if ($user->hasLogin()) {
diff --git a/var/Widget/Service.php b/var/Widget/Service.php
index 5170a1bd..a81effa5 100644
--- a/var/Widget/Service.php
+++ b/var/Widget/Service.php
@@ -53,7 +53,7 @@ class Service extends BaseOptions implements ActionInterface
         }
 
         /** 获取post */
-        $post = self::widget('Widget_Archive', "type=post", "cid={$this->request->cid}");
+        $post = Archive::alloc("type=post", "cid={$this->request->cid}", false);
 
         if ($post->have() && preg_match_all("|<a[^>]*href=[\"'](.*?)[\"'][^>]*>(.*?)</a>|", $post->text, $matches)) {
             $links = array_unique($matches[1]);
diff --git a/var/Widget/Stat.php b/var/Widget/Stat.php
index 547fc9c3..6fbc0f2a 100644
--- a/var/Widget/Stat.php
+++ b/var/Widget/Stat.php
@@ -1,14 +1,13 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 全局统计
- *
- * @link typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget;
+
+use Typecho\Db;
+use Typecho\Widget;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 全局统计组件
@@ -18,42 +17,39 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Stat extends Typecho_Widget
+class Stat extends Widget
 {
     /**
      * 用户对象
      *
-     * @access protected
-     * @var Widget_User
+     * @var User
      */
     protected $user;
 
     /**
      * 数据库对象
      *
-     * @access protected
-     * @var Typecho_Db
+     * @var Db
      */
     protected $db;
 
     /**
      * 构造函数,初始化组件
      *
-     * @access public
      * @param mixed $request request对象
      * @param mixed $response response对象
      * @param mixed $params 参数列表
-     * @return void
+     * @throws Db\Exception
      */
     public function __construct($request, $response, $params = null)
     {
         parent::__construct($request, $response, $params);
 
         /** 初始化数据库 */
-        $this->db = Typecho_Db::get();
+        $this->db = Db::get();
 
         /** 初始化常用组件 */
-        $this->user = self::widget('Widget_User');
+        $this->user = User::alloc();
     }
 
     /**
diff --git a/var/Widget/Themes/Config.php b/var/Widget/Themes/Config.php
index fbfce3d8..678a6252 100644
--- a/var/Widget/Themes/Config.php
+++ b/var/Widget/Themes/Config.php
@@ -1,12 +1,16 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * Typecho Blog Platform
- *
- * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license    GNU General Public License 2.0
- * @version    $Id$
- */
+
+namespace Widget\Themes;
+
+use Typecho\Widget\Exception;
+use Typecho\Widget\Helper\Form;
+use Typecho\Widget\Helper\Form\Element\Submit;
+use Widget\Base\Options as BaseOptions;
+use Widget\Options;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 皮肤配置组件
@@ -17,33 +21,30 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Themes_Config extends Widget_Abstract_Options
+class Config extends BaseOptions
 {
     /**
      * 绑定动作
      *
-     * @access public
-     * @return void
-     * @throws Typecho_Widget_Exception
+     * @throws Exception|\Typecho\Db\Exception
      */
     public function execute()
     {
         $this->user->pass('administrator');
 
         if (!self::isExists()) {
-            throw new Typecho_Widget_Exception(_t('外观配置功能不存在'), 404);
+            throw new Exception(_t('外观配置功能不存在'), 404);
         }
     }
 
     /**
      * 配置功能是否存在
      *
-     * @access public
      * @return boolean
      */
-    public static function isExists()
+    public static function isExists(): bool
     {
-        $options = Typecho_Widget::widget('Widget_Options');
+        $options = Options::alloc();
         $configFile = $options->themeFile($options->theme, 'functions.php');
 
         if (file_exists($configFile)) {
@@ -60,13 +61,11 @@ class Widget_Themes_Config extends Widget_Abstract_Options
     /**
      * 配置外观
      *
-     * @access public
-     * @return Typecho_Widget_Helper_Form
+     * @return Form
      */
-    public function config()
+    public function config(): Form
     {
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/themes-edit?config'),
-            Typecho_Widget_Helper_Form::POST_METHOD);
+        $form = new Form($this->security->getIndex('/action/themes-edit?config'), Form::POST_METHOD);
         themeConfig($form);
         $inputs = $form->getInputs();
 
@@ -76,7 +75,7 @@ class Widget_Themes_Config extends Widget_Abstract_Options
             }
         }
 
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit(null, null, _t('保存设置'));
+        $submit = new Submit(null, null, _t('保存设置'));
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
         return $form;
diff --git a/var/Widget/Themes/Edit.php b/var/Widget/Themes/Edit.php
index f91148a2..64177a9f 100644
--- a/var/Widget/Themes/Edit.php
+++ b/var/Widget/Themes/Edit.php
@@ -1,14 +1,17 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 编辑风格
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget\Themes;
+
+use Typecho\Common;
+use Typecho\Widget\Exception;
+use Typecho\Widget\Helper\Form;
+use Widget\ActionInterface;
+use Widget\Base\Options;
+use Widget\Notice;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 编辑风格组件
@@ -19,17 +22,16 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Themes_Edit extends Widget_Abstract_Options implements Widget_Interface_Do
+class Edit extends Options implements ActionInterface
 {
     /**
      * 更换外观
      *
-     * @access public
      * @param string $theme 外观名称
-     * @return void
-     * @throws Typecho_Widget_Exception
+     * @throws Exception
+     * @throws \Typecho\Db\Exception
      */
-    public function changeTheme($theme)
+    public function changeTheme(string $theme)
     {
         $theme = trim($theme, './');
         if (is_dir($this->options->themeFile($theme))) {
@@ -49,7 +51,7 @@ class Widget_Themes_Edit extends Widget_Abstract_Options implements Widget_Inter
                 require_once $configFile;
 
                 if (function_exists('themeConfig')) {
-                    $form = new Typecho_Widget_Helper_Form();
+                    $form = new Form();
                     themeConfig($form);
                     $options = $form->getValues();
 
@@ -63,23 +65,22 @@ class Widget_Themes_Edit extends Widget_Abstract_Options implements Widget_Inter
                 }
             }
 
-            self::widget('Widget_Notice')->highlight('theme-' . $theme);
-            self::widget('Widget_Notice')->set(_t("外观已经改变"), 'success');
+            Notice::alloc()->highlight('theme-' . $theme);
+            Notice::alloc()->set(_t("外观已经改变"), 'success');
             $this->response->goBack();
         } else {
-            throw new Typecho_Widget_Exception(_t('您选择的风格不存在'));
+            throw new Exception(_t('您选择的风格不存在'));
         }
     }
 
     /**
      * 用自有函数处理配置信息
      *
-     * @access public
      * @param array $settings 配置值
      * @param boolean $isInit 是否为初始化
      * @return boolean
      */
-    public function configHandle(array $settings, $isInit)
+    public function configHandle(array $settings, bool $isInit): bool
     {
         if (function_exists('themeConfigHandle')) {
             themeConfigHandle($settings, $isInit);
@@ -92,42 +93,41 @@ class Widget_Themes_Edit extends Widget_Abstract_Options implements Widget_Inter
     /**
      * 编辑外观文件
      *
-     * @access public
      * @param string $theme 外观名称
      * @param string $file 文件名
-     * @return void
-     * @throws Typecho_Widget_Exception
+     * @throws Exception
      */
     public function editThemeFile($theme, $file)
     {
         $path = $this->options->themeFile($theme, $file);
 
-        if (file_exists($path) && is_writeable($path)
-            && (!defined('__TYPECHO_THEME_WRITEABLE__') || __TYPECHO_THEME_WRITEABLE__)) {
+        if (
+            file_exists($path) && is_writeable($path)
+            && (!defined('__TYPECHO_THEME_WRITEABLE__') || __TYPECHO_THEME_WRITEABLE__)
+        ) {
             $handle = fopen($path, 'wb');
             if ($handle && fwrite($handle, $this->request->content)) {
                 fclose($handle);
-                self::widget('Widget_Notice')->set(_t("文件 %s 的更改已经保存", $file), 'success');
+                Notice::alloc()->set(_t("文件 %s 的更改已经保存", $file), 'success');
             } else {
-                self::widget('Widget_Notice')->set(_t("文件 %s 无法被写入", $file), 'error');
+                Notice::alloc()->set(_t("文件 %s 无法被写入", $file), 'error');
             }
             $this->response->goBack();
         } else {
-            throw new Typecho_Widget_Exception(_t('您编辑的文件不存在'));
+            throw new Exception(_t('您编辑的文件不存在'));
         }
     }
 
     /**
      * 配置外观
      *
-     * @access public
      * @param string $theme 外观名
-     * @return void
+     * @throws \Typecho\Db\Exception
      */
-    public function config($theme)
+    public function config(string $theme)
     {
         // 已经载入了外观函数
-        $form = self::widget('Widget_Themes_Config')->config();
+        $form = Config::alloc()->config();
 
         /** 验证表单 */
         if ($form->validate()) {
@@ -138,8 +138,10 @@ class Widget_Themes_Edit extends Widget_Abstract_Options implements Widget_Inter
 
         if (!$this->configHandle($settings, false)) {
             if ($this->options->__get('theme:' . $theme)) {
-                $this->update(['value' => serialize($settings)],
-                    $this->db->sql()->where('name = ?', 'theme:' . $theme));
+                $this->update(
+                    ['value' => serialize($settings)],
+                    $this->db->sql()->where('name = ?', 'theme:' . $theme)
+                );
             } else {
                 $this->insert([
                     'name'  => 'theme:' . $theme,
@@ -150,20 +152,19 @@ class Widget_Themes_Edit extends Widget_Abstract_Options implements Widget_Inter
         }
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('theme-' . $theme);
+        Notice::alloc()->highlight('theme-' . $theme);
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set(_t("外观设置已经保存"), 'success');
+        Notice::alloc()->set(_t("外观设置已经保存"), 'success');
 
         /** 转向原页 */
-        $this->response->redirect(Typecho_Common::url('options-theme.php', $this->options->adminUrl));
+        $this->response->redirect(Common::url('options-theme.php', $this->options->adminUrl));
     }
 
     /**
      * 绑定动作
      *
-     * @access public
-     * @return void
+     * @throws Exception|\Typecho\Db\Exception
      */
     public function action()
     {
diff --git a/var/Widget/Themes/Files.php b/var/Widget/Themes/Files.php
index 5ceb71af..c5813ea7 100644
--- a/var/Widget/Themes/Files.php
+++ b/var/Widget/Themes/Files.php
@@ -1,14 +1,13 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 风格文件列表
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget\Themes;
+
+use Typecho\Widget;
+use Widget\Options;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 风格文件列表组件
@@ -19,7 +18,7 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Themes_Files extends Typecho_Widget
+class Files extends Widget
 {
     /**
      * 当前风格
@@ -27,7 +26,7 @@ class Widget_Themes_Files extends Typecho_Widget
      * @access private
      * @var string
      */
-    private $_currentTheme;
+    private $currentTheme;
 
     /**
      * 当前文件
@@ -35,40 +34,41 @@ class Widget_Themes_Files extends Typecho_Widget
      * @access private
      * @var string
      */
-    private $_currentFile;
+    private $currentFile;
 
     /**
      * 执行函数
      *
-     * @access public
-     * @return void
-     * @throws Typecho_Widget_Exception
+     * @throws Widget\Exception
      */
     public function execute()
     {
         /** 管理员权限 */
         self::widget('Widget_User')->pass('administrator');
-        $this->_currentTheme = $this->request->filter('slug')->get('theme', self::widget('Widget_Options')->theme);
-
-        if (preg_match("/^([_0-9a-z-\.\ ])+$/i", $this->_currentTheme)
-            && is_dir($dir = self::widget('Widget_Options')->themeFile($this->_currentTheme))
-            && (!defined('__TYPECHO_THEME_WRITEABLE__') || __TYPECHO_THEME_WRITEABLE__)) {
+        $this->currentTheme = $this->request->filter('slug')->get('theme', Options::alloc()->theme);
 
+        if (
+            preg_match("/^([_0-9a-z-\.\ ])+$/i", $this->currentTheme)
+            && is_dir($dir = Options::alloc()->themeFile($this->currentTheme))
+            && (!defined('__TYPECHO_THEME_WRITEABLE__') || __TYPECHO_THEME_WRITEABLE__)
+        ) {
             $files = array_filter(glob($dir . '/*'), function ($path) {
                 return preg_match("/\.(php|js|css|vbs)$/i", $path);
             });
 
-            $this->_currentFile = $this->request->get('file', 'index.php');
+            $this->currentFile = $this->request->get('file', 'index.php');
 
-            if (preg_match("/^([_0-9a-z-\.\ ])+$/i", $this->_currentFile)
-                && file_exists($dir . '/' . $this->_currentFile)) {
+            if (
+                preg_match("/^([_0-9a-z-\.\ ])+$/i", $this->currentFile)
+                && file_exists($dir . '/' . $this->currentFile)
+            ) {
                 foreach ($files as $file) {
                     if (file_exists($file)) {
                         $file = basename($file);
                         $this->push([
                             'file'    => $file,
-                            'theme'   => $this->_currentTheme,
-                            'current' => ($file == $this->_currentFile)
+                            'theme'   => $this->currentTheme,
+                            'current' => ($file == $this->currentFile)
                         ]);
                     }
                 }
@@ -77,64 +77,59 @@ class Widget_Themes_Files extends Typecho_Widget
             }
         }
 
-        throw new Typecho_Widget_Exception('风格文件不存在', 404);
+        throw new Widget\Exception('风格文件不存在', 404);
     }
 
     /**
      * 获取菜单标题
      *
-     * @access public
      * @return string
      */
-    public function getMenuTitle()
+    public function getMenuTitle(): string
     {
-        return _t('编辑文件 %s', $this->_currentFile);
+        return _t('编辑文件 %s', $this->currentFile);
     }
 
     /**
      * 获取文件内容
      *
-     * @access public
      * @return string
      */
-    public function currentContent()
+    public function currentContent(): string
     {
-        return htmlspecialchars(file_get_contents(self::widget('Widget_Options')
-            ->themeFile($this->_currentTheme, $this->_currentFile)));
+        return htmlspecialchars(file_get_contents(Options::alloc()
+            ->themeFile($this->currentTheme, $this->currentFile)));
     }
 
     /**
      * 获取文件是否可读
      *
-     * @access public
-     * @return string
+     * @return bool
      */
-    public function currentIsWriteable()
+    public function currentIsWriteable(): bool
     {
-        return is_writeable(self::widget('Widget_Options')
-                ->themeFile($this->_currentTheme, $this->_currentFile))
+        return is_writeable(Options::alloc()
+                ->themeFile($this->currentTheme, $this->currentFile))
             && (!defined('__TYPECHO_THEME_WRITEABLE__') || __TYPECHO_THEME_WRITEABLE__);
     }
 
     /**
      * 获取当前文件
      *
-     * @access public
      * @return string
      */
-    public function currentFile()
+    public function currentFile(): string
     {
-        return $this->_currentFile;
+        return $this->currentFile;
     }
 
     /**
      * 获取当前风格
      *
-     * @access public
      * @return string
      */
-    public function currentTheme()
+    public function currentTheme(): string
     {
-        return $this->_currentTheme;
+        return $this->currentTheme;
     }
 }
diff --git a/var/Widget/Themes/List.php b/var/Widget/Themes/Rows.php
similarity index 72%
rename from var/Widget/Themes/List.php
rename to var/Widget/Themes/Rows.php
index ea8cbc86..5a5b1ef3 100644
--- a/var/Widget/Themes/List.php
+++ b/var/Widget/Themes/Rows.php
@@ -1,14 +1,15 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 风格列表
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget\Themes;
+
+use Typecho\Common;
+use Typecho\Plugin;
+use Typecho\Widget;
+use Widget\Options;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 风格列表组件
@@ -19,27 +20,24 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Themes_List extends Typecho_Widget
+class Rows extends Widget
 {
     /**
      * 执行函数
-     *
-     * @access public
-     * @return void
      */
     public function execute()
     {
         $themes = $this->getThemes();
 
         if ($themes) {
-            $options = self::widget('Widget_Options');
+            $options = Options::alloc();
             $activated = 0;
             $result = [];
 
             foreach ($themes as $key => $theme) {
                 $themeFile = $theme . '/index.php';
                 if (file_exists($themeFile)) {
-                    $info = Typecho_Plugin::parseInfo($themeFile);
+                    $info = Plugin::parseInfo($themeFile);
                     $info['name'] = $this->getTheme($theme, $key);
 
                     if ($info['activated'] = ($options->theme == $info['name'])) {
@@ -53,7 +51,7 @@ class Widget_Themes_List extends Typecho_Widget
                     if ($screen) {
                         $info['screen'] = $options->themeUrl(basename(current($screen)), $info['name']);
                     } else {
-                        $info['screen'] = Typecho_Common::url('noscreen.png', $options->adminStaticUrl('img'));
+                        $info['screen'] = Common::url('noscreen.png', $options->adminStaticUrl('img'));
                     }
 
                     $result[$key] = $info;
@@ -70,7 +68,7 @@ class Widget_Themes_List extends Typecho_Widget
     /**
      * @return array
      */
-    protected function getThemes()
+    protected function getThemes(): array
     {
         return glob(__TYPECHO_ROOT_DIR__ . __TYPECHO_THEME_DIR__ . '/*', GLOB_ONLYDIR);
     }
@@ -82,7 +80,7 @@ class Widget_Themes_List extends Typecho_Widget
      * @param mixed $index
      * @return string
      */
-    protected function getTheme($theme, $index)
+    protected function getTheme(string $theme, $index): string
     {
         return basename($theme);
     }
diff --git a/var/Widget/Upgrade.php b/var/Widget/Upgrade.php
index 80af610e..5c741c0c 100644
--- a/var/Widget/Upgrade.php
+++ b/var/Widget/Upgrade.php
@@ -1,14 +1,14 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 升级动作
- *
- * @category typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget;
+
+use Typecho\Common;
+use Typecho\Exception;
+use Widget\Base\Options as BaseOptions;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 升级组件
@@ -17,14 +17,12 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @category typecho
  * @package Widget
  */
-class Widget_Upgrade extends Widget_Abstract_Options implements Widget_Interface_Do
+class Upgrade extends BaseOptions implements ActionInterface
 {
     /**
      * 执行升级程序
      *
-     * @access public
-     * @return void
-     * @throws Typecho_Exception
+     * @throws \Typecho\Db\Exception
      */
     public function upgrade()
     {
@@ -51,15 +49,17 @@ class Widget_Upgrade extends Widget_Abstract_Options implements Widget_Interface
             if (isset($matches[2])) {
                 $minor = substr(str_replace('_', '.', $matches[2]), 1);
 
-                if (version_compare($currentVersion, $version, '=')
-                    && version_compare($currentMinor, $minor, '>=')) {
+                if (
+                    version_compare($currentVersion, $version, '=')
+                    && version_compare($currentMinor, $minor, '>=')
+                ) {
                     break;
                 }
 
                 $version .= '/' . $minor;
             }
 
-            $options = self::widget('Widget_Options@' . $package);
+            $options = Options::allocWithAlias($package);
 
             /** 执行升级脚本 */
             try {
@@ -67,32 +67,38 @@ class Widget_Upgrade extends Widget_Abstract_Options implements Widget_Interface
                 if (!empty($result)) {
                     $message[] = $result;
                 }
-            } catch (Typecho_Exception $e) {
-                self::widget('Widget_Notice')->set($e->getMessage(), 'error');
+            } catch (Exception $e) {
+                Notice::alloc()->set($e->getMessage(), 'error');
                 $this->response->goBack();
                 return;
             }
 
             /** 更新版本号 */
-            $this->update(['value' => 'Typecho ' . $version],
-                $this->db->sql()->where('name = ?', 'generator'));
+            $this->update(
+                ['value' => 'Typecho ' . $version],
+                $this->db->sql()->where('name = ?', 'generator')
+            );
 
-            $this->destroy('Widget_Options@' . $package);
+            Options::destroy($package);
         }
 
         /** 更新版本号 */
-        $this->update(['value' => 'Typecho ' . Typecho_Common::VERSION],
-            $this->db->sql()->where('name = ?', 'generator'));
+        $this->update(
+            ['value' => 'Typecho ' . Common::VERSION],
+            $this->db->sql()->where('name = ?', 'generator')
+        );
 
-        self::widget('Widget_Notice')->set(empty($message) ? _t("升级已经完成") : $message,
-            empty($message) ? 'success' : 'notice');
+        Notice::alloc()->set(
+            empty($message) ? _t("升级已经完成") : $message,
+            empty($message) ? 'success' : 'notice'
+        );
     }
 
     /**
      * 初始化函数
      *
-     * @access public
-     * @return void
+     * @throws \Typecho\Db\Exception
+     * @throws \Typecho\Widget\Exception
      */
     public function action()
     {
diff --git a/var/Widget/Upload.php b/var/Widget/Upload.php
index 13de2e96..83b29c0f 100644
--- a/var/Widget/Upload.php
+++ b/var/Widget/Upload.php
@@ -54,7 +54,7 @@ class Upload extends Contents implements ActionInterface
             return $result;
         }
 
-        $options = self::widget(Options::class);
+        $options = Options::alloc();
         return Common::url(
             $content['attachment']->path,
             defined('__TYPECHO_UPLOAD_URL__') ? __TYPECHO_UPLOAD_URL__ : $options->siteUrl
@@ -431,7 +431,7 @@ class Upload extends Contents implements ActionInterface
      */
     public static function checkFileType($ext)
     {
-        $options = self::widget(Options::class);
+        $options = Options::alloc();
         return in_array($ext, $options->allowedAttachmentTypes);
     }
 }
diff --git a/var/Widget/User.php b/var/Widget/User.php
index a817df06..edf2bef6 100644
--- a/var/Widget/User.php
+++ b/var/Widget/User.php
@@ -79,7 +79,7 @@ class User extends Widget
 
         /** 初始化数据库 */
         $this->db = Db::get();
-        $this->options = self::widget(Options::class);
+        $this->options = Options::alloc();
     }
 
 
diff --git a/var/Widget/Users/Admin.php b/var/Widget/Users/Admin.php
index 9a84d8d2..4065d6fa 100644
--- a/var/Widget/Users/Admin.php
+++ b/var/Widget/Users/Admin.php
@@ -1,12 +1,17 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * Typecho Blog Platform
- *
- * @copyright  Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license    GNU General Public License 2.0
- * @version    $Id$
- */
+
+namespace Widget\Users;
+
+use Typecho\Common;
+use Typecho\Db;
+use Typecho\Db\Query;
+use Typecho\Widget\Exception;
+use Typecho\Widget\Helper\PageNavigator\Box;
+use Widget\Base\Users;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 后台成员列表组件
@@ -17,55 +22,53 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Users_Admin extends Widget_Abstract_Users
+class Admin extends Users
 {
     /**
      * 分页计算对象
      *
-     * @access private
-     * @var Typecho_Db_Query
+     * @var Query
      */
-    private $_countSql;
+    private $countSql;
 
     /**
      * 所有文章个数
      *
-     * @access private
      * @var integer
      */
-    private $_total = false;
+    private $total;
 
     /**
      * 当前页
      *
-     * @access private
      * @var integer
      */
-    private $_currentPage;
+    private $currentPage;
 
     /**
      * 执行函数
      *
-     * @access public
-     * @return void
+     * @throws Db\Exception
      */
     public function execute()
     {
         $this->parameter->setDefault('pageSize=20');
         $select = $this->select();
-        $this->_currentPage = $this->request->get('page', 1);
+        $this->currentPage = $this->request->get('page', 1);
 
         /** 过滤标题 */
         if (null != ($keywords = $this->request->keywords)) {
-            $select->where('name LIKE ? OR screenName LIKE ?',
-                '%' . Typecho_Common::filterSearchQuery($keywords) . '%',
-                '%' . Typecho_Common::filterSearchQuery($keywords) . '%');
+            $select->where(
+                'name LIKE ? OR screenName LIKE ?',
+                '%' . Common::filterSearchQuery($keywords) . '%',
+                '%' . Common::filterSearchQuery($keywords) . '%'
+            );
         }
 
-        $this->_countSql = clone $select;
+        $this->countSql = clone $select;
 
-        $select->order('table.users.uid', Typecho_Db::SORT_ASC)
-            ->page($this->_currentPage, $this->parameter->pageSize);
+        $select->order('table.users.uid', Db::SORT_ASC)
+            ->page($this->currentPage, $this->parameter->pageSize);
 
         $this->db->fetchAll($select, [$this, 'push']);
     }
@@ -73,26 +76,28 @@ class Widget_Users_Admin extends Widget_Abstract_Users
     /**
      * 输出分页
      *
-     * @access public
-     * @return void
+     * @throws Exception|Db\Exception
      */
     public function pageNav()
     {
-        $query = $this->request->makeUriByRequest('page={page}');;
+        $query = $this->request->makeUriByRequest('page={page}');
 
         /** 使用盒状分页 */
-        $nav = new Typecho_Widget_Helper_PageNavigator_Box(false === $this->_total ? $this->_total = $this->size($this->_countSql) : $this->_total,
-            $this->_currentPage, $this->parameter->pageSize, $query);
+        $nav = new Box(
+            !isset($this->total) ? $this->total = $this->size($this->countSql) : $this->total,
+            $this->currentPage,
+            $this->parameter->pageSize,
+            $query
+        );
         $nav->render('&laquo;', '&raquo;');
     }
 
     /**
      * 仅仅输出域名和路径
      *
-     * @access protected
      * @return string
      */
-    protected function ___domainPath()
+    protected function ___domainPath(): string
     {
         $parts = parse_url($this->url);
         return $parts['host'] . ($parts['path'] ?? null);
@@ -101,10 +106,10 @@ class Widget_Users_Admin extends Widget_Abstract_Users
     /**
      * 发布文章数
      *
-     * @access protected
      * @return integer
+     * @throws Db\Exception
      */
-    protected function ___postsNum()
+    protected function ___postsNum(): int
     {
         return $this->db->fetchObject($this->db->select(['COUNT(cid)' => 'num'])
             ->from('table.contents')
diff --git a/var/Widget/Users/Edit.php b/var/Widget/Users/Edit.php
index 68431445..f73458cb 100644
--- a/var/Widget/Users/Edit.php
+++ b/var/Widget/Users/Edit.php
@@ -1,14 +1,17 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 编辑用户
- *
- * @link typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget\Users;
+
+use Typecho\Common;
+use Typecho\Widget\Exception;
+use Typecho\Widget\Helper\Form;
+use Widget\ActionInterface;
+use Widget\Base\Users;
+use Widget\Notice;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 编辑用户组件
@@ -18,13 +21,13 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interface_Do
+class Edit extends Users implements ActionInterface
 {
     /**
      * 执行函数
      *
-     * @access public
      * @return void
+     * @throws Exception|\Typecho\Db\Exception
      */
     public function execute()
     {
@@ -37,7 +40,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
                 ->where('uid = ?', $this->request->uid)->limit(1), [$this, 'push']);
 
             if (!$this->have()) {
-                throw new Typecho_Widget_Exception(_t('用户不存在'), 404);
+                throw new Exception(_t('用户不存在'), 404);
             }
         }
     }
@@ -45,10 +48,9 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
     /**
      * 获取菜单标题
      *
-     * @access public
      * @return string
      */
-    public function getMenuTitle()
+    public function getMenuTitle(): string
     {
         return _t('编辑用户 %s', $this->name);
     }
@@ -56,11 +58,11 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
     /**
      * 判断用户是否存在
      *
-     * @access public
      * @param integer $uid 用户主键
      * @return boolean
+     * @throws \Typecho\Db\Exception
      */
-    public function userExists($uid)
+    public function userExists(int $uid): bool
     {
         $user = $this->db->fetchRow($this->db->select()
             ->from('table.users')
@@ -72,8 +74,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
     /**
      * 增加用户
      *
-     * @access public
-     * @return void
+     * @throws \Typecho\Db\Exception
      */
     public function insertUser()
     {
@@ -81,7 +82,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
             $this->response->goBack();
         }
 
-        $hasher = new PasswordHash(8, true);
+        $hasher = new \PasswordHash(8, true);
 
         /** 取出数据 */
         $user = $this->request->from('name', 'mail', 'screenName', 'password', 'url', 'group');
@@ -93,77 +94,80 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
         $user['uid'] = $this->insert($user);
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('user-' . $user['uid']);
+        Notice::alloc()->highlight('user-' . $user['uid']);
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set(_t('用户 %s 已经被增加', $user['screenName']), 'success');
+        Notice::alloc()->set(_t('用户 %s 已经被增加', $user['screenName']), 'success');
 
         /** 转向原页 */
-        $this->response->redirect(Typecho_Common::url('manage-users.php', $this->options->adminUrl));
+        $this->response->redirect(Common::url('manage-users.php', $this->options->adminUrl));
     }
 
     /**
      * 生成表单
      *
      * @access public
-     * @param string $action 表单动作
-     * @return Typecho_Widget_Helper_Form
+     * @param string|null $action 表单动作
+     * @return Form
      */
-    public function form($action = null)
+    public function form(?string $action = null): Form
     {
         /** 构建表格 */
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/users-edit'),
-            Typecho_Widget_Helper_Form::POST_METHOD);
+        $form = new Form($this->security->getIndex('/action/users-edit'), Form::POST_METHOD);
 
         /** 用户名称 */
-        $name = new Typecho_Widget_Helper_Form_Element_Text('name', null, null, _t('用户名') . ' *', _t('此用户名将作为用户登录时所用的名称.')
+        $name = new Form\Element\Text('name', null, null, _t('用户名') . ' *', _t('此用户名将作为用户登录时所用的名称.')
             . '<br />' . _t('请不要与系统中现有的用户名重复.'));
         $form->addInput($name);
 
         /** 电子邮箱地址 */
-        $mail = new Typecho_Widget_Helper_Form_Element_Text('mail', null, null, _t('邮件地址') . ' *', _t('电子邮箱地址将作为此用户的主要联系方式.')
+        $mail = new Form\Element\Text('mail', null, null, _t('邮件地址') . ' *', _t('电子邮箱地址将作为此用户的主要联系方式.')
             . '<br />' . _t('请不要与系统中现有的电子邮箱地址重复.'));
         $form->addInput($mail);
 
         /** 用户昵称 */
-        $screenName = new Typecho_Widget_Helper_Form_Element_Text('screenName', null, null, _t('用户昵称'), _t('用户昵称可以与用户名不同, 用于前台显示.')
+        $screenName = new Form\Element\Text('screenName', null, null, _t('用户昵称'), _t('用户昵称可以与用户名不同, 用于前台显示.')
             . '<br />' . _t('如果你将此项留空, 将默认使用用户名.'));
         $form->addInput($screenName);
 
         /** 用户密码 */
-        $password = new Typecho_Widget_Helper_Form_Element_Password('password', null, null, _t('用户密码'), _t('为此用户分配一个密码.')
+        $password = new Form\Element\Password('password', null, null, _t('用户密码'), _t('为此用户分配一个密码.')
             . '<br />' . _t('建议使用特殊字符与字母、数字的混编样式,以增加系统安全性.'));
         $password->input->setAttribute('class', 'w-60');
         $form->addInput($password);
 
         /** 用户密码确认 */
-        $confirm = new Typecho_Widget_Helper_Form_Element_Password('confirm', null, null, _t('用户密码确认'), _t('请确认你的密码, 与上面输入的密码保持一致.'));
+        $confirm = new Form\Element\Password('confirm', null, null, _t('用户密码确认'), _t('请确认你的密码, 与上面输入的密码保持一致.'));
         $confirm->input->setAttribute('class', 'w-60');
         $form->addInput($confirm);
 
         /** 个人主页地址 */
-        $url = new Typecho_Widget_Helper_Form_Element_Text('url', null, null, _t('个人主页地址'), _t('此用户的个人主页地址, 请用 <code>http://</code> 开头.'));
+        $url = new Form\Element\Text('url', null, null, _t('个人主页地址'), _t('此用户的个人主页地址, 请用 <code>http://</code> 开头.'));
         $form->addInput($url);
 
         /** 用户组 */
-        $group = new Typecho_Widget_Helper_Form_Element_Select('group', [
-            'subscriber'  => _t('关注者'),
-            'contributor' => _t('贡献者'), 'editor' => _t('编辑'), 'administrator' => _t('管理员')
-        ],
-            null, _t('用户组'), _t('不同的用户组拥有不同的权限.')
-            . '<br />' . _t('具体的权限分配表请<a href="http://docs.typecho.org/develop/acl">参考这里</a>.'));
+        $group = new Form\Element\Select(
+            'group',
+            [
+                'subscriber'  => _t('关注者'),
+                'contributor' => _t('贡献者'), 'editor' => _t('编辑'), 'administrator' => _t('管理员')
+            ],
+            null,
+            _t('用户组'),
+            _t('不同的用户组拥有不同的权限.') . '<br />' . _t('具体的权限分配表请<a href="http://docs.typecho.org/develop/acl">参考这里</a>.')
+        );
         $form->addInput($group);
 
         /** 用户动作 */
-        $do = new Typecho_Widget_Helper_Form_Element_Hidden('do');
+        $do = new Form\Element\Hidden('do');
         $form->addInput($do);
 
         /** 用户主键 */
-        $uid = new Typecho_Widget_Helper_Form_Element_Hidden('uid');
+        $uid = new Form\Element\Hidden('uid');
         $form->addInput($uid);
 
         /** 提交按钮 */
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit();
+        $submit = new Form\Element\Submit();
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
 
@@ -220,8 +224,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
     /**
      * 更新用户
      *
-     * @access public
-     * @return void
+     * @throws \Typecho\Db\Exception
      */
     public function updateUser()
     {
@@ -235,7 +238,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
         if (empty($user['password'])) {
             unset($user['password']);
         } else {
-            $hasher = new PasswordHash(8, true);
+            $hasher = new \PasswordHash(8, true);
             $user['password'] = $hasher->HashPassword($user['password']);
         }
 
@@ -243,24 +246,24 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
         $this->update($user, $this->db->sql()->where('uid = ?', $this->request->uid));
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('user-' . $this->request->uid);
+        Notice::alloc()->highlight('user-' . $this->request->uid);
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set(_t('用户 %s 已经被更新', $user['screenName']), 'success');
+        Notice::alloc()->set(_t('用户 %s 已经被更新', $user['screenName']), 'success');
 
         /** 转向原页 */
-        $this->response->redirect(Typecho_Common::url('manage-users.php?' .
+        $this->response->redirect(Common::url('manage-users.php?' .
             $this->getPageOffsetQuery($this->request->uid), $this->options->adminUrl));
     }
 
     /**
      * 获取页面偏移的URL Query
      *
-     * @access protected
      * @param integer $uid 用户id
      * @return string
+     * @throws \Typecho\Db\Exception
      */
-    protected function getPageOffsetQuery($uid)
+    protected function getPageOffsetQuery(int $uid): string
     {
         return 'page=' . $this->getPageOffset('uid', $uid);
     }
@@ -268,8 +271,7 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
     /**
      * 删除用户
      *
-     * @access public
-     * @return void
+     * @throws \Typecho\Db\Exception
      */
     public function deleteUser()
     {
@@ -283,16 +285,18 @@ class Widget_Users_Edit extends Widget_Abstract_Users implements Widget_Interfac
             }
 
             if ($this->delete($this->db->sql()->where('uid = ?', $user))) {
-                $deleteCount ++;
+                $deleteCount++;
             }
         }
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set($deleteCount > 0 ? _t('用户已经删除') : _t('没有用户被删除'),
-            $deleteCount > 0 ? 'success' : 'notice');
+        Notice::alloc()->set(
+            $deleteCount > 0 ? _t('用户已经删除') : _t('没有用户被删除'),
+            $deleteCount > 0 ? 'success' : 'notice'
+        );
 
         /** 转向原页 */
-        $this->response->redirect(Typecho_Common::url('manage-users.php', $this->options->adminUrl));
+        $this->response->redirect(Common::url('manage-users.php', $this->options->adminUrl));
     }
 
     /**
diff --git a/var/Widget/Users/Profile.php b/var/Widget/Users/Profile.php
index e86dc5f9..62d3c93a 100644
--- a/var/Widget/Users/Profile.php
+++ b/var/Widget/Users/Profile.php
@@ -1,14 +1,19 @@
 <?php
-if (!defined('__TYPECHO_ROOT_DIR__')) exit;
-/**
- * 编辑用户
- *
- * @link typecho
- * @package Widget
- * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
- * @license GNU General Public License 2.0
- * @version $Id$
- */
+
+namespace Widget\Users;
+
+use Typecho\Common;
+use Typecho\Db\Exception;
+use Typecho\Plugin;
+use Typecho\Widget\Helper\Form;
+use Widget\ActionInterface;
+use Widget\Base\Options;
+use Widget\Notice;
+use Widget\Plugins\Rows;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
 
 /**
  * 编辑用户组件
@@ -18,13 +23,10 @@ if (!defined('__TYPECHO_ROOT_DIR__')) exit;
  * @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
  * @license GNU General Public License 2.0
  */
-class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface_Do
+class Profile extends Edit implements ActionInterface
 {
     /**
      * 执行函数
-     *
-     * @access public
-     * @return void
      */
     public function execute()
     {
@@ -37,32 +39,41 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
      * 输出表单结构
      *
      * @access public
-     * @return Typecho_Widget_Helper_Form
+     * @return Form
      */
-    public function optionsForm()
+    public function optionsForm(): Form
     {
         /** 构建表格 */
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/users-profile'),
-            Typecho_Widget_Helper_Form::POST_METHOD);
+        $form = new Form($this->security->getIndex('/action/users-profile'), Form::POST_METHOD);
 
         /** 撰写设置 */
-        $markdown = new Typecho_Widget_Helper_Form_Element_Radio('markdown',
+        $markdown = new Form\Element\Radio(
+            'markdown',
             ['0' => _t('关闭'), '1' => _t('打开')],
-            $this->options->markdown, _t('使用 Markdown 语法编辑和解析内容'),
+            $this->options->markdown,
+            _t('使用 Markdown 语法编辑和解析内容'),
             _t('使用 <a href="http://daringfireball.net/projects/markdown/">Markdown</a> 语法能够使您的撰写过程更加简便直观.')
-            . '<br />' . _t('此功能开启不会影响以前没有使用 Markdown 语法编辑的内容.'));
+            . '<br />' . _t('此功能开启不会影响以前没有使用 Markdown 语法编辑的内容.')
+        );
         $form->addInput($markdown);
 
-        $xmlrpcMarkdown = new Typecho_Widget_Helper_Form_Element_Radio('xmlrpcMarkdown',
+        $xmlrpcMarkdown = new Form\Element\Radio(
+            'xmlrpcMarkdown',
             ['0' => _t('关闭'), '1' => _t('打开')],
-            $this->options->xmlrpcMarkdown, _t('在 XMLRPC 接口中使用 Markdown 语法'),
-            _t('对于完全支持 <a href="http://daringfireball.net/projects/markdown/">Markdown</a> 语法写作的离线编辑器, 打开此选项后将避免内容被转换为 HTML.'));
+            $this->options->xmlrpcMarkdown,
+            _t('在 XMLRPC 接口中使用 Markdown 语法'),
+            _t('对于完全支持 <a href="http://daringfireball.net/projects/markdown/">Markdown</a> 语法写作的离线编辑器, 打开此选项后将避免内容被转换为 HTML.')
+        );
         $form->addInput($xmlrpcMarkdown);
 
         /** 自动保存 */
-        $autoSave = new Typecho_Widget_Helper_Form_Element_Radio('autoSave',
+        $autoSave = new Form\Element\Radio(
+            'autoSave',
             ['0' => _t('关闭'), '1' => _t('打开')],
-            $this->options->autoSave, _t('自动保存'), _t('自动保存功能可以更好地保护你的文章不会丢失.'));
+            $this->options->autoSave,
+            _t('自动保存'),
+            _t('自动保存功能可以更好地保护你的文章不会丢失.')
+        );
         $form->addInput($autoSave);
 
         /** 默认允许 */
@@ -79,17 +90,21 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
             $allow[] = 'feed';
         }
 
-        $defaultAllow = new Typecho_Widget_Helper_Form_Element_Checkbox('defaultAllow',
+        $defaultAllow = new Form\Element\Checkbox(
+            'defaultAllow',
             ['comment' => _t('可以被评论'), 'ping' => _t('可以被引用'), 'feed' => _t('出现在聚合中')],
-            $allow, _t('默认允许'), _t('设置你经常使用的默认允许权限'));
+            $allow,
+            _t('默认允许'),
+            _t('设置你经常使用的默认允许权限')
+        );
         $form->addInput($defaultAllow);
 
         /** 用户动作 */
-        $do = new Typecho_Widget_Helper_Form_Element_Hidden('do', null, 'options');
+        $do = new Form\Element\Hidden('do', null, 'options');
         $form->addInput($do);
 
         /** 提交按钮 */
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit('submit', null, _t('保存设置'));
+        $submit = new Form\Element\Submit('submit', null, _t('保存设置'));
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
 
@@ -99,16 +114,18 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     /**
      * 自定义设置列表
      *
-     * @access public
-     * @return void
+     * @throws Plugin\Exception
      */
     public function personalFormList()
     {
-        self::widget('Widget_Plugins_List@personalPlugins', 'activated=1')->to($plugins);
+        $plugins = Rows::alloc('activated=1');
+
         while ($plugins->next()) {
             if ($plugins->personalConfig) {
-                [$pluginFileName, $className] = Typecho_Plugin::portal($plugins->name,
-                    $this->options->pluginDir($plugins->name));
+                [$pluginFileName, $className] = Plugin::portal(
+                    $plugins->name,
+                    $this->options->pluginDir($plugins->name)
+                );
 
                 $form = $this->personalForm($plugins->name, $className, $pluginFileName, $group);
                 if ($this->user->pass($group, true)) {
@@ -130,20 +147,19 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
      * @param string $pluginName 插件名称
      * @param string $className 类名称
      * @param string $pluginFileName 插件文件名
-     * @param string $group 用户组
-     * @return Typecho_Widget_Helper_Form
+     * @param string|null $group 用户组
+     * @throws Plugin\Exception
      */
-    public function personalForm($pluginName, $className, $pluginFileName, &$group)
+    public function personalForm(string $pluginName, string $className, string $pluginFileName, ?string &$group)
     {
         /** 构建表格 */
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/users-profile'),
-            Typecho_Widget_Helper_Form::POST_METHOD);
+        $form = new Form($this->security->getIndex('/action/users-profile'), Form::POST_METHOD);
         $form->setAttribute('name', $pluginName);
         $form->setAttribute('id', $pluginName);
 
         require_once $pluginFileName;
         $group = call_user_func([$className, 'personalConfig'], $form);
-        $group = $group ? $group : 'subscriber';
+        $group = $group ?: 'subscriber';
 
         $options = $this->options->personalPlugin($pluginName);
 
@@ -153,9 +169,9 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
             }
         }
 
-        $form->addItem(new Typecho_Widget_Helper_Form_Element_Hidden('do', null, 'personal'));
-        $form->addItem(new Typecho_Widget_Helper_Form_Element_Hidden('plugin', null, $pluginName));
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit('submit', null, _t('保存设置'));
+        $form->addItem(new Form\Element\Hidden('do', null, 'personal'));
+        $form->addItem(new Form\Element\Hidden('plugin', null, $pluginName));
+        $submit = new Form\Element\Submit('submit', null, _t('保存设置'));
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
         return $form;
@@ -164,8 +180,7 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     /**
      * 更新用户
      *
-     * @access public
-     * @return void
+     * @throws Exception
      */
     public function updateProfile()
     {
@@ -181,10 +196,10 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
         $this->update($user, $this->db->sql()->where('uid = ?', $this->user->uid));
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('user-' . $this->user->uid);
+        Notice::alloc()->highlight('user-' . $this->user->uid);
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set(_t('您的档案已经更新'), 'success');
+        Notice::alloc()->set(_t('您的档案已经更新'), 'success');
 
         /** 转向原页 */
         $this->response->goBack();
@@ -193,35 +208,33 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     /**
      * 生成表单
      *
-     * @access public
-     * @return Typecho_Widget_Helper_Form
+     * @return Form
      */
     public function profileForm()
     {
         /** 构建表格 */
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/users-profile'),
-            Typecho_Widget_Helper_Form::POST_METHOD);
+        $form = new Form($this->security->getIndex('/action/users-profile'), Form::POST_METHOD);
 
         /** 用户昵称 */
-        $screenName = new Typecho_Widget_Helper_Form_Element_Text('screenName', null, null, _t('昵称'), _t('用户昵称可以与用户名不同, 用于前台显示.')
+        $screenName = new Form\Element\Text('screenName', null, null, _t('昵称'), _t('用户昵称可以与用户名不同, 用于前台显示.')
             . '<br />' . _t('如果你将此项留空, 将默认使用用户名.'));
         $form->addInput($screenName);
 
         /** 个人主页地址 */
-        $url = new Typecho_Widget_Helper_Form_Element_Text('url', null, null, _t('个人主页地址'), _t('此用户的个人主页地址, 请用 <code>http://</code> 开头.'));
+        $url = new Form\Element\Text('url', null, null, _t('个人主页地址'), _t('此用户的个人主页地址, 请用 <code>http://</code> 开头.'));
         $form->addInput($url);
 
         /** 电子邮箱地址 */
-        $mail = new Typecho_Widget_Helper_Form_Element_Text('mail', null, null, _t('邮件地址') . ' *', _t('电子邮箱地址将作为此用户的主要联系方式.')
+        $mail = new Form\Element\Text('mail', null, null, _t('邮件地址') . ' *', _t('电子邮箱地址将作为此用户的主要联系方式.')
             . '<br />' . _t('请不要与系统中现有的电子邮箱地址重复.'));
         $form->addInput($mail);
 
         /** 用户动作 */
-        $do = new Typecho_Widget_Helper_Form_Element_Hidden('do', null, 'profile');
+        $do = new Form\Element\Hidden('do', null, 'profile');
         $form->addInput($do);
 
         /** 提交按钮 */
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit('submit', null, _t('更新我的档案'));
+        $submit = new Form\Element\Submit('submit', null, _t('更新我的档案'));
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
 
@@ -243,8 +256,7 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     /**
      * 执行更新动作
      *
-     * @access public
-     * @return void
+     * @throws Exception
      */
     public function updateOptions()
     {
@@ -258,12 +270,17 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
         $settings['defaultAllowFeed'] = in_array('feed', $defaultAllow) ? 1 : 0;
 
         foreach ($settings as $name => $value) {
-            if ($this->db->fetchObject($this->db->select(['COUNT(*)' => 'num'])
-                    ->from('table.options')->where('name = ? AND user = ?', $name, $this->user->uid))->num > 0) {
-                self::widget('Widget_Abstract_Options')
-                    ->update(['value' => $value], $this->db->sql()->where('name = ? AND user = ?', $name, $this->user->uid));
+            if (
+                $this->db->fetchObject($this->db->select(['COUNT(*)' => 'num'])
+                    ->from('table.options')->where('name = ? AND user = ?', $name, $this->user->uid))->num > 0
+            ) {
+                Options::alloc()
+                    ->update(
+                        ['value' => $value],
+                        $this->db->sql()->where('name = ? AND user = ?', $name, $this->user->uid)
+                    );
             } else {
-                self::widget('Widget_Abstract_Options')->insert([
+                Options::alloc()->insert([
                     'name'  => $name,
                     'value' => $value,
                     'user'  => $this->user->uid
@@ -271,15 +288,14 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
             }
         }
 
-        self::widget('Widget_Notice')->set(_t("设置已经保存"), 'success');
+        Notice::alloc()->set(_t("设置已经保存"), 'success');
         $this->response->goBack();
     }
 
     /**
      * 更新密码
      *
-     * @access public
-     * @return void
+     * @throws Exception
      */
     public function updatePassword()
     {
@@ -288,18 +304,20 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
             $this->response->goBack();
         }
 
-        $hasher = new PasswordHash(8, true);
+        $hasher = new \PasswordHash(8, true);
         $password = $hasher->HashPassword($this->request->password);
 
         /** 更新数据 */
-        $this->update(['password' => $password],
-            $this->db->sql()->where('uid = ?', $this->user->uid));
+        $this->update(
+            ['password' => $password],
+            $this->db->sql()->where('uid = ?', $this->user->uid)
+        );
 
         /** 设置高亮 */
-        self::widget('Widget_Notice')->highlight('user-' . $this->user->uid);
+        Notice::alloc()->highlight('user-' . $this->user->uid);
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set(_t('密码已经成功修改'), 'success');
+        Notice::alloc()->set(_t('密码已经成功修改'), 'success');
 
         /** 转向原页 */
         $this->response->goBack();
@@ -308,32 +326,30 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     /**
      * 生成表单
      *
-     * @access public
-     * @return Typecho_Widget_Helper_Form
+     * @return Form
      */
-    public function passwordForm()
+    public function passwordForm(): Form
     {
         /** 构建表格 */
-        $form = new Typecho_Widget_Helper_Form($this->security->getIndex('/action/users-profile'),
-            Typecho_Widget_Helper_Form::POST_METHOD);
+        $form = new Form($this->security->getIndex('/action/users-profile'), Form::POST_METHOD);
 
         /** 用户密码 */
-        $password = new Typecho_Widget_Helper_Form_Element_Password('password', null, null, _t('用户密码'), _t('为此用户分配一个密码.')
+        $password = new Form\Element\Password('password', null, null, _t('用户密码'), _t('为此用户分配一个密码.')
             . '<br />' . _t('建议使用特殊字符与字母、数字的混编样式,以增加系统安全性.'));
         $password->input->setAttribute('class', 'w-60');
         $form->addInput($password);
 
         /** 用户密码确认 */
-        $confirm = new Typecho_Widget_Helper_Form_Element_Password('confirm', null, null, _t('用户密码确认'), _t('请确认你的密码, 与上面输入的密码保持一致.'));
+        $confirm = new Form\Element\Password('confirm', null, null, _t('用户密码确认'), _t('请确认你的密码, 与上面输入的密码保持一致.'));
         $confirm->input->setAttribute('class', 'w-60');
         $form->addInput($confirm);
 
         /** 用户动作 */
-        $do = new Typecho_Widget_Helper_Form_Element_Hidden('do', null, 'password');
+        $do = new Form\Element\Hidden('do', null, 'password');
         $form->addInput($do);
 
         /** 提交按钮 */
-        $submit = new Typecho_Widget_Helper_Form_Element_Submit('submit', null, _t('更新密码'));
+        $submit = new Form\Element\Submit('submit', null, _t('更新密码'));
         $submit->input->setAttribute('class', 'btn primary');
         $form->addItem($submit);
 
@@ -347,8 +363,7 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
     /**
      * 更新个人设置
      *
-     * @access public
-     * @return void
+     * @throws \Typecho\Widget\Exception
      */
     public function updatePersonal()
     {
@@ -356,16 +371,18 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
         $pluginName = $this->request->plugin;
 
         /** 获取已启用插件 */
-        $plugins = Typecho_Plugin::export();
+        $plugins = Plugin::export();
         $activatedPlugins = $plugins['activated'];
 
         /** 获取插件入口 */
-        [$pluginFileName, $className] = Typecho_Plugin::portal($this->request->plugin,
-            __TYPECHO_ROOT_DIR__ . '/' . __TYPECHO_PLUGIN_DIR__);
-        $info = Typecho_Plugin::parseInfo($pluginFileName);
+        [$pluginFileName, $className] = Plugin::portal(
+            $this->request->plugin,
+            __TYPECHO_ROOT_DIR__ . '/' . __TYPECHO_PLUGIN_DIR__
+        );
+        $info = Plugin::parseInfo($pluginFileName);
 
         if (!$info['personalConfig'] || !isset($activatedPlugins[$pluginName])) {
-            throw new Typecho_Widget_Exception(_t('无法配置插件'), 500);
+            throw new \Typecho\Widget\Exception(_t('无法配置插件'), 500);
         }
 
         $form = $this->personalForm($pluginName, $className, $pluginFileName, $group);
@@ -381,12 +398,17 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
         $name = '_plugin:' . $pluginName;
 
         if (!$this->personalConfigHandle($className, $settings)) {
-            if ($this->db->fetchObject($this->db->select(['COUNT(*)' => 'num'])
-                    ->from('table.options')->where('name = ? AND user = ?', $name, $this->user->uid))->num > 0) {
-                self::widget('Widget_Abstract_Options')
-                    ->update(['value' => serialize($settings)], $this->db->sql()->where('name = ? AND user = ?', $name, $this->user->uid));
+            if (
+                $this->db->fetchObject($this->db->select(['COUNT(*)' => 'num'])
+                    ->from('table.options')->where('name = ? AND user = ?', $name, $this->user->uid))->num > 0
+            ) {
+                Options::alloc()
+                    ->update(
+                        ['value' => serialize($settings)],
+                        $this->db->sql()->where('name = ? AND user = ?', $name, $this->user->uid)
+                    );
             } else {
-                self::widget('Widget_Abstract_Options')->insert([
+                Options::alloc()->insert([
                     'name'  => $name,
                     'value' => serialize($settings),
                     'user'  => $this->user->uid
@@ -395,10 +417,10 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
         }
 
         /** 提示信息 */
-        self::widget('Widget_Notice')->set(_t("%s 设置已经保存", $info['title']), 'success');
+        Notice::alloc()->set(_t("%s 设置已经保存", $info['title']), 'success');
 
         /** 转向原页 */
-        $this->response->redirect(Typecho_Common::url('profile.php', $this->options->adminUrl));
+        $this->response->redirect(Common::url('profile.php', $this->options->adminUrl));
     }
 
     /**
@@ -409,7 +431,7 @@ class Widget_Users_Profile extends Widget_Users_Edit implements Widget_Interface
      * @param array $settings 配置值
      * @return boolean
      */
-    public function personalConfigHandle($className, array $settings)
+    public function personalConfigHandle(string $className, array $settings): bool
     {
         if (method_exists($className, 'personalConfigHandle')) {
             call_user_func([$className, 'personalConfigHandle'], $settings, false);