diff --git a/CHANGELOG.md b/CHANGELOG.md
index b110ad1..5d491bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+zoneclearFeedServer 2023.11.04
+===========================================================
+* Require Dotclear 2.28
+* Require PHP 8.1
+* Code review (phpstan)
+
 zoneclearFeedServer 2023.10.18
 ===========================================================
 * Require Dotclear 2.28
diff --git a/README.md b/README.md
index c5d4c45..d480c5a 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # README
 
-[![Release](https://img.shields.io/badge/release-2023.10.18-a2cbe9.svg)](https://git.dotclear.watch/JcDenis/zoneclearFeedServer/releases)
-![Date](https://img.shields.io/badge/date-2023.10.18-c44d58.svg)
+[![Release](https://img.shields.io/badge/release-2023.11.04-a2cbe9.svg)](https://git.dotclear.watch/JcDenis/zoneclearFeedServer/releases)
+![Date](https://img.shields.io/badge/date-2023.11.04-c44d58.svg)
 [![Dotclear](https://img.shields.io/badge/dotclear-v2.28-137bbb.svg)](https://fr.dotclear.org/download)
 [![Dotaddict](https://img.shields.io/badge/dotaddict-official-9ac123.svg)](https://plugins.dotaddict.org/dc2/details/zoneclearFeedServer)
 [![License](https://img.shields.io/badge/license-GPL--2.0-ececec.svg)](https://git.dotclear.watch/JcDenis/zoneclearFeedServer/src/branch/master/LICENSE)
diff --git a/_define.php b/_define.php
index 93ecfa9..2d70034 100644
--- a/_define.php
+++ b/_define.php
@@ -19,7 +19,7 @@ $this->registerModule(
     'Feeds server',
     'Mix your blog with a feeds planet',
     'Jean-Christian Denis, BG, Pierre Van Glabeke',
-    '2023.10.18',
+    '2023.11.04',
     [
         'requires'    => [['core', '2.28']],
         'permissions' => 'My',
diff --git a/dcstore.xml b/dcstore.xml
index 9c51060..05d9cfa 100644
--- a/dcstore.xml
+++ b/dcstore.xml
@@ -2,10 +2,10 @@
 <modules xmlns:da="http://dotaddict.org/da/">
   <module id="zoneclearFeedServer">
     <name>Feeds server</name>
-    <version>2023.10.18</version>
+    <version>2023.11.04</version>
     <author>Jean-Christian Denis, BG, Pierre Van Glabeke</author>
     <desc>Mix your blog with a feeds planet</desc>
-    <file>https://git.dotclear.watch/JcDenis/zoneclearFeedServer/releases/download/v2023.10.18/plugin-zoneclearFeedServer.zip</file>
+    <file>https://git.dotclear.watch/JcDenis/zoneclearFeedServer/releases/download/v2023.11.04/plugin-zoneclearFeedServer.zip</file>
     <da:dcmin>2.28</da:dcmin>
     <da:details>https://git.dotclear.watch/JcDenis/zoneclearFeedServer/src/branch/master/README.md</da:details>
     <da:support>https://git.dotclear.watch/JcDenis/zoneclearFeedServer/issues</da:support>
diff --git a/src/BackendBehaviors.php b/src/BackendBehaviors.php
index 62ec94d..a2e6bf1 100644
--- a/src/BackendBehaviors.php
+++ b/src/BackendBehaviors.php
@@ -55,6 +55,8 @@ class BackendBehaviors
 
     /**
      * Lists columns user preference.
+     *
+     * @param   ArrayObject<string, mixed>  $cols
      */
     public static function adminColumnsListsV2(ArrayObject $cols): void
     {
@@ -83,6 +85,8 @@ class BackendBehaviors
 
     /**
      * Lists filter.
+     *
+     * @param   ArrayObject<string, mixed>  $sorts
      */
     public static function adminFiltersListsV2(ArrayObject $sorts): void
     {
@@ -106,14 +110,18 @@ class BackendBehaviors
 
     /**
      * Add head column to posts list.
+     *
+     * @param   ArrayObject<string, mixed>  $cols
      */
     public static function adminPostListHeaderV2(MetaRecord $rs, ArrayObject $cols): void
     {
-        $cols['feed'] = (new Para(null, 'th'))->text(__('Feed'))->extra('scope="col"')->render();
+        $cols['feed'] = (new Text('th', __('Feed')))->extra('scope="col"')->render();
     }
 
     /**
      * Add body column to posts list.
+     *
+     * @param   ArrayObject<string, mixed>  $cols
      */
     public static function adminPostListValueV2(MetaRecord $rs, ArrayObject $cols): void
     {
@@ -140,6 +148,9 @@ class BackendBehaviors
 
     /**
      * Add info about feed on post page sidebar.
+     *
+     * @param   ArrayObject<string, mixed>  $main_items
+     * @param   ArrayObject<string, mixed>  $sidebar_items
      */
     public static function adminPostFormItems(ArrayObject $main_items, ArrayObject $sidebar_items, ?MetaRecord $post): void
     {
diff --git a/src/Combo.php b/src/Combo.php
index 0c96651..a22118f 100644
--- a/src/Combo.php
+++ b/src/Combo.php
@@ -28,7 +28,7 @@ use Exception;
 class Combo
 {
     /**
-     * @return  array<string,string>
+     * @return  array<string, string>
      */
     public static function feedsSortby(): array
     {
@@ -42,7 +42,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,string>
+     * @return  array<string, string>
      */
     public static function postsSortby(): array
     {
@@ -56,7 +56,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,string>
+     * @return  array<string, string>
      */
     public static function feedsStatus(): array
     {
@@ -67,7 +67,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,int>
+     * @return  array<string, int>
      */
     public static function postsStatus(): array
     {
@@ -78,7 +78,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,int>
+     * @return  array<string, int>
      */
     public static function updateInterval(): array
     {
@@ -93,7 +93,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,int>
+     * @return  array<string, int>
      */
     public static function tagCase(): array
     {
@@ -106,7 +106,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,int>
+     * @return  array<string, int>
      */
     public static function pubUpdate(): array
     {
@@ -119,7 +119,7 @@ class Combo
     }
 
     /**
-     * @return  array<string,string>
+     * @return  array<string, string>
      */
     public static function postCategories(): array
     {
@@ -127,17 +127,16 @@ class Combo
 
         try {
             $categories = App::blog()->getCategories(['post_type' => 'post']);
-            if (!is_null($categories)) {
-                while ($categories->fetch()) {
-                    $level     = is_numeric($categories->f('level')) ? (int) $categories->f('level') : 1;
-                    $cat_title = is_string($categories->f('cat_title')) ? $categories->f('cat_title') : '';
-                    $cat_id    = is_numeric($categories->f('cat_id')) ? (string) $categories->f('cat_id') : '';
 
-                    $combo[
-                        str_repeat('&nbsp;&nbsp;', $level - 1) .
-                        '&bull; ' . Html::escapeHTML($cat_title)
-                    ] = $cat_id;
-                }
+            while ($categories->fetch()) {
+                $level     = is_numeric($categories->f('level')) ? (int) $categories->f('level') : 1;
+                $cat_title = is_string($categories->f('cat_title')) ? $categories->f('cat_title') : '';
+                $cat_id    = is_numeric($categories->f('cat_id')) ? (string) $categories->f('cat_id') : '';
+
+                $combo[
+                    str_repeat('&nbsp;&nbsp;', $level - 1) .
+                    '&bull; ' . Html::escapeHTML($cat_title)
+                ] = $cat_id;
             }
         } catch (Exception $e) {
         }
diff --git a/src/Config.php b/src/Config.php
index c6d440e..084a5a3 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -76,7 +76,7 @@ class Config extends Process
             Notices::addSuccessNotice(
                 __('Configuration has been successfully updated.')
             );
-            App::bakcend()->url()->redirect('admin.plugins', [
+            App::backend()->url()->redirect('admin.plugins', [
                 'module' => My::id(),
                 'conf'   => '1',
                 'redir'  => !(App::backend()->__get('list') instanceof ModulesList) ? '' : App::backend()->__get('list')->getRedir(),
@@ -99,9 +99,8 @@ class Config extends Process
 
         $msg = [];
         if (!is_writable(App::config()->cacheRoot())) {
-            $msg[] = (new Para())
-                ->class('error')
-                ->text(__('Dotclear cache is not writable or not well configured!'));
+            $msg[] = (new Text('p', __('Dotclear cache is not writable or not well configured!')))
+                ->class('error');
         }
         if ($s->pub_active) {
             $msg[] = (new Para())
diff --git a/src/FeedsActions.php b/src/FeedsActions.php
index 6fa4025..5172e9a 100644
--- a/src/FeedsActions.php
+++ b/src/FeedsActions.php
@@ -97,8 +97,8 @@ class FeedsActions extends Actions
 
             $feeds = ZoneclearFeedServer::instance()->getFeeds($params);
             while ($feeds->fetch()) {
-                $row                     = new FeedRow($feeds);
-                $this->entries[$row->id] = $row->name;
+                $row                              = new FeedRow($feeds);
+                $this->entries[(string) $row->id] = $row->name;
             }
             $this->rs = $feeds;
         } else {
diff --git a/src/FeedsDefaultActions.php b/src/FeedsDefaultActions.php
index f6287cd..757564e 100644
--- a/src/FeedsDefaultActions.php
+++ b/src/FeedsDefaultActions.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\zoneclearFeedServer;
 
 use ArrayObject;
+use Dotclear\App;
 use Dotclear\Core\Backend\{
     Notices,
     Page
@@ -72,6 +73,8 @@ class FeedsDefaultActions
 
     /**
      * Enable / disable feeds.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doEnableFeed(FeedsActions $ap, ArrayObject $post): void
     {
@@ -85,7 +88,7 @@ class FeedsDefaultActions
         }
 
         foreach ($ids as $id) {
-            $ap->zcfs->enableFeed($id, $enable);
+            $ap->zcfs->enableFeed((int) $id, $enable);
         }
 
         Notices::addSuccessNotice(sprintf(
@@ -108,6 +111,8 @@ class FeedsDefaultActions
 
     /**
      * Delete feeds posts.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doDeletePost(FeedsActions $ap, ArrayObject $post): void
     {
@@ -153,6 +158,8 @@ class FeedsDefaultActions
 
     /**
      * Delete feeds.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doDeleteFeed(FeedsActions $ap, ArrayObject $post): void
     {
@@ -165,7 +172,7 @@ class FeedsDefaultActions
         }
 
         foreach ($ids as $id) {
-            $ap->zcfs->deleteFeed($id);
+            $ap->zcfs->deleteFeed((int) $id);
         }
 
         Notices::addSuccessNotice(sprintf(
@@ -181,6 +188,8 @@ class FeedsDefaultActions
 
     /**
      * Update feeds properties.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doUpdateFeed(FeedsActions $ap, ArrayObject $post): void
     {
@@ -193,7 +202,7 @@ class FeedsDefaultActions
         }
 
         foreach ($ids as $id) {
-            $ap->zcfs->checkFeedsUpdate($id, true);
+            $ap->zcfs->checkFeedsUpdate((int) $id, true);
         }
 
         Notices::addSuccessNotice(sprintf(
@@ -205,6 +214,8 @@ class FeedsDefaultActions
 
     /**
      * Reset feeds update timer.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doResetUpdate(FeedsActions $ap, ArrayObject $post): void
     {
@@ -220,7 +231,7 @@ class FeedsDefaultActions
         foreach ($ids as $id) {
             $cur->clean();
             $cur->setField('feed_upd_last', 0);
-            $ap->zcfs->updateFeed($id, $cur);
+            $ap->zcfs->updateFeed((int) $id, $cur);
             //$ap->zcfs->checkFeedsUpdate($id, true);
         }
 
@@ -233,6 +244,8 @@ class FeedsDefaultActions
 
     /**
      * Change feeds categories.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doChangeCategory(FeedsActions $ap, ArrayObject $post): void
     {
@@ -251,7 +264,7 @@ class FeedsDefaultActions
             foreach ($ids as $id) {
                 $cur->clean();
                 $cur->setField('cat_id', $cat_id == 0 ? null : $cat_id);
-                $ap->zcfs->updateFeed($id, $cur);
+                $ap->zcfs->updateFeed((int) $id, $cur);
             }
 
             Notices::addSuccessNotice(sprintf(
@@ -299,6 +312,8 @@ class FeedsDefaultActions
 
     /**
      * Change feeds update interval.
+     *
+     * @param   ArrayObject<string, mixed>  $post
      */
     public static function doChangeInterval(FeedsActions $ap, ArrayObject $post): void
     {
@@ -317,7 +332,7 @@ class FeedsDefaultActions
             foreach ($ids as $id) {
                 $cur->clean();
                 $cur->setField('feed_upd_int', $upd_int);
-                $ap->zcfs->updateFeed($id, $cur);
+                $ap->zcfs->updateFeed((int) $id, $cur);
             }
 
             Notices::addSuccessNotice(sprintf(
diff --git a/src/Manage.php b/src/Manage.php
index 4db155d..0109a21 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -182,7 +182,7 @@ class Manage extends Process
                                         (new Label(__('Selected feeds action:'), Label::OUTSIDE_LABEL_BEFORE))
                                             ->for('action'),
                                         (new Select('action'))
-                                            ->items($feeds_actions_page->getCombo()),
+                                            ->items($feeds_actions_page->getCombo() ?? []),
                                         (new Submit('feeds-action'))
                                             ->value(__('ok')),
                                         ... My::hiddenFields($feeds_filter->values(true)),
diff --git a/src/ManageFeed.php b/src/ManageFeed.php
index 2cfbb0b..1689573 100644
--- a/src/ManageFeed.php
+++ b/src/ManageFeed.php
@@ -417,7 +417,7 @@ class ManageFeed extends Process
                                         (new Label(__('Selected entries action:'), Label::OUTSIDE_LABEL_BEFORE))
                                             ->for('action'),
                                         (new Select('action'))
-                                            ->items($posts_actions_page->getCombo()),
+                                            ->items($posts_actions_page->getCombo() ?? []),
                                         (new Submit('feed-action'))
                                             ->value(__('ok')),
                                         ... My::hiddenFields($post_filter->values()),
diff --git a/src/ManageFeedVars.php b/src/ManageFeedVars.php
index c0ecb52..11d504a 100644
--- a/src/ManageFeedVars.php
+++ b/src/ManageFeedVars.php
@@ -76,7 +76,7 @@ class ManageFeedVars
             $feed = $z->getFeeds(['feed_id' => $_REQUEST['feed_id']]);
 
             if ($feed->isEmpty()) {
-                Ap::error()->add(__('This feed does not exist.'));
+                App::error()->add(__('This feed does not exist.'));
                 $can_view_page = false;
             } else {
                 $row           = new FeedRow($feed);
diff --git a/src/PostsFilter.php b/src/PostsFilter.php
index 49da00a..82505a1 100644
--- a/src/PostsFilter.php
+++ b/src/PostsFilter.php
@@ -56,7 +56,7 @@ class PostsFilter extends Filters
 
         try {
             $users = App::blog()->getPostsUsers();
-            if (is_null($users) || $users->isEmpty()) {
+            if ($users->isEmpty()) {
                 return null;
             }
         } catch (Exception $e) {
@@ -89,7 +89,7 @@ class PostsFilter extends Filters
 
         try {
             $categories = App::blog()->getCategories();
-            if (is_null($categories) || $categories->isEmpty()) {
+            if ($categories->isEmpty()) {
                 return null;
             }
         } catch (Exception $e) {
@@ -143,7 +143,7 @@ class PostsFilter extends Filters
 
         try {
             $dates = App::blog()->getDates(['type' => 'month']);
-            if (is_null($dates) || $dates->isEmpty()) {
+            if ($dates->isEmpty()) {
                 return null;
             }
         } catch (Exception $e) {
diff --git a/src/Settings.php b/src/Settings.php
index cae44a7..bf45693 100644
--- a/src/Settings.php
+++ b/src/Settings.php
@@ -30,10 +30,10 @@ class Settings
 
     public readonly int $tag_case;
 
-    /** @var    array<int,string> */
+    /** @var    array<int, string> */
     public readonly array $post_full_tpl;
 
-    /** @var    array<int,string> */
+    /** @var    array<int, string> */
     public readonly array $post_title_redir;
 
     public readonly string $user;
@@ -90,7 +90,7 @@ class Settings
     {
         $s = My::settings();
 
-        if (!is_null($s) && property_exists($this, $key) && settype($value, gettype($this->{$key})) === true) {
+        if (property_exists($this, $key) && settype($value, gettype($this->{$key})) === true) {
             $s->put($key, $value, gettype($this->{$key}));
 
             return true;
diff --git a/src/Template.php b/src/Template.php
index dd70890..45c7b14 100644
--- a/src/Template.php
+++ b/src/Template.php
@@ -19,6 +19,9 @@ use Dotclear\Helper\L10n;
  */
 class Template
 {
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function Feeds(ArrayObject $a, string $c): string
     {
         $lastn = -1;
@@ -84,6 +87,9 @@ class Template
         'App::frontend()->context()->feeds = null; App::frontend()->context()->feeds_params = null; ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedIf(ArrayObject $a, string $c): string
     {
         $if = [];
@@ -144,6 +150,9 @@ class Template
             '<?php if(' . implode(' ' . $operator . ' ', $if) . ') : ?>' . $c . '<?php endif; ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedIfFirst(ArrayObject $a): string
     {
         $ret = Html::escapeHTML(isset($a['return']) && is_string($a['return']) ? $a['return'] : 'first');
@@ -153,6 +162,9 @@ class Template
         "echo '" . addslashes($ret) . "'; } ?>";
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedIfOdd(ArrayObject $a): string
     {
         $ret = Html::escapeHTML(isset($a['return']) && is_string($a['return']) ? $a['return'] : 'odd');
@@ -162,41 +174,65 @@ class Template
         "echo '" . addslashes($ret) . "'; } ?>";
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedDesc(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->feed_desc');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedOwner(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->feed_owner');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedCategory(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->cat_title');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedCategoryID(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->cat_id');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedCategoryURL(ArrayObject $a): string
     {
         return self::getValue($a, 'App::blog()->url().App::url()->getBase(\'category\').\'/\'.Html::sanitizeURL(App::frontend()->context()->feeds->cat_url)');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedCategoryShortURL(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->cat_url');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedID(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->feed_id');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedLang(ArrayObject $a): string
     {
         return empty($a['full']) ?
@@ -208,31 +244,49 @@ class Template
             '<?php ; } unset($langs); ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedName(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->feed_name');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedSiteURL(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->feed_url');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedFeedURL(ArrayObject $a): string
     {
         return self::getValue($a, 'App::frontend()->context()->feeds->feed_feed');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedsHeader(ArrayObject $a, string $c): string
     {
         return '<?php if (App::frontend()->context()->feeds->isStart()) : ?>' . $c . '<?php endif; ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedsFooter(ArrayObject $a, string $c): string
     {
         return '<?php if (App::frontend()->context()->feeds->isEnd()) : ?>' . $c . '<?php endif; ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedsCount(ArrayObject $a): string
     {
         $none = isset($a['none']) && is_string($a['none']) ? addslashes($a['none']) : 'no sources';
@@ -250,6 +304,9 @@ class Template
         '} unset($fcount); ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedsEntriesCount(ArrayObject $a): string
     {
         $none = isset($a['none']) && is_string($a['none']) ? addslashes($a['none']) : 'no entries';
@@ -274,6 +331,9 @@ class Template
         '} unset($allfeeds,$fcount); ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     public static function FeedEntriesCount(ArrayObject $a): string
     {
         $none = isset($a['none']) && is_string($a['none']) ? addslashes($a['none']) : 'no entries';
@@ -292,8 +352,11 @@ class Template
         '} unset($fcount); ?>';
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $a
+     */
     protected static function getValue(ArrayObject $a, string $v): string
     {
-        return '<?php echo ' . sprintf(App::fontend()->template()->getFilters($a), $v) . '; ?>';
+        return '<?php echo ' . sprintf(App::frontend()->template()->getFilters($a), $v) . '; ?>';
     }
 }
diff --git a/src/UrlHandler.php b/src/UrlHandler.php
index 0d1cf48..99d4187 100644
--- a/src/UrlHandler.php
+++ b/src/UrlHandler.php
@@ -70,7 +70,7 @@ class UrlHandler extends Url
 
             # Server js
         } elseif ($args == '/zcfsupd.js' && 3 == $s->bhv_pub_upd) {
-            App::frontend()->template()->setPath(App::frontend()->template()->getPath(), My::path() . '/default-templates');
+            App::frontend()->template()->appendPath(My::path() . '/default-templates');
             self::serveDocument(
                 'zcfsupd.js',
                 'text/javascript',
@@ -84,13 +84,11 @@ class UrlHandler extends Url
             if (!is_string($theme)) {
                 self::p404();
             }
-            $tplset = App::themes()->getDefine($theme)->get('tplset');
-            $path   = My::path() . '/default-templates/';
-            if (!empty($tplset) && is_dir($path . $tplset)) {
-                App::frontend()->template()->setPath(App::frontend()->template()->getPath(), $path . $tplset);
-            } else {
-                App::frontend()->template()->setPath(App::frontend()->template()->getPath(), $path . App::config()->defaultTplset());
+            $tplset = App::themes()->getDefine(App::blog()->settings()->get('system')->get('theme'))->get('tplset');
+            if (empty($tplset) || !is_dir(implode(DIRECTORY_SEPARATOR, [My::path(), 'default-templates', $tplset]))) {
+                $tplset = App::config()->defaultTplset();
             }
+            App::frontend()->template()->appendPath(implode(DIRECTORY_SEPARATOR, [My::path(), 'default-templates', $tplset]));
             self::serveDocument('zcfeeds.html');
         }
         # Unknow
diff --git a/src/ZoneclearFeedServer.php b/src/ZoneclearFeedServer.php
index 35be4aa..d097b8d 100644
--- a/src/ZoneclearFeedServer.php
+++ b/src/ZoneclearFeedServer.php
@@ -38,7 +38,7 @@ use Exception;
 class ZoneclearFeedServer
 {
     /**
-     * .
+     * Net HTTP timeout.
      *
      * @var     int     NET_HTTP_TIMEOUT
      */
@@ -66,7 +66,7 @@ class ZoneclearFeedServer
     private static $instance;
 
     /**
-     * .
+     * Settings.
      *
      * @var     Settings    $settings
      */
@@ -289,8 +289,8 @@ class ZoneclearFeedServer
     /**
      * Get related posts.
      *
-     * @param   array<string,int|string|array>  $params         The query params
-     * @param   bool                            $count_only     Return only result count
+     * @param   array<string, mixed>    $params         The query params
+     * @param   bool                    $count_only     Return only result count
      *
      * @return  MetaRecord  The record instance
      */
@@ -315,16 +315,14 @@ class ZoneclearFeedServer
 
         unset($params['feed_id']);
 
-        $rs = App::blog()->getPosts($params, $count_only, $sql);
-
-        return is_null($rs) ? MetaRecord::newFromArray([]) : $rs;
+        return App::blog()->getPosts($params, $count_only, $sql);
     }
 
     /**
      * Get feed record.
      *
-     * @param   array<string,int|string|array>  $params         The query params
-     * @param   bool                            $count_only     Return only result count
+     * @param   array<string, mixed>    $params         The query params
+     * @param   bool                    $count_only     Return only result count
      *
      * @return  MetaRecord  The record instance
      */
@@ -773,7 +771,7 @@ class ZoneclearFeedServer
         # Enable
         if ($enable) {
             // backup current user
-            if (!is_null(App::auth()->userID()) && !is_string(App::auth()->userID())) {
+            if (!App::auth()->userID()) {
                 throw new Exception('Unable to backup user');
             }
             $this->user = App::auth()->userID();