diff --git a/apps/controllers/TorrentController.php b/apps/controllers/TorrentController.php
index 7bcbce8..edc6e04 100644
--- a/apps/controllers/TorrentController.php
+++ b/apps/controllers/TorrentController.php
@@ -49,8 +49,7 @@ public function actionDownload()
             return $this->render('action/action_fail');
         }
 
-        $downloader->setRespHeaders();
-        return $downloader->getDownloadDict();
+        return $downloader->sendFileContentToClient();
     }
 
     public function actionComments()
diff --git a/apps/models/form/News/EditForm.php b/apps/models/form/News/EditForm.php
index 238de16..c650b31 100644
--- a/apps/models/form/News/EditForm.php
+++ b/apps/models/form/News/EditForm.php
@@ -37,7 +37,7 @@ public static function inputRules()
     public function flush()
     {
         $userid = app()->site->getCurUser()->getId();
-        if ($this->id == 0) { // This is new news
+        if ((int) $this->id == 0) { // This is new news
             app()->pdo->createCommand('INSERT INTO news (user_id,create_at,title,body,notify,force_read) VALUES (:uid,CURRENT_TIMESTAMP,:title,:body,:notify,:fread);')->bindParams([
                 'uid' => $userid, 'title' => $this->title, 'body' => $this->body,
                 'notify' => $this->notify, 'fread' => $this->force_read
diff --git a/apps/models/form/News/SearchForm.php b/apps/models/form/News/SearchForm.php
index 24a65f6..7c97574 100644
--- a/apps/models/form/News/SearchForm.php
+++ b/apps/models/form/News/SearchForm.php
@@ -19,7 +19,7 @@ class SearchForm extends Pager
 
     public static function defaultData()
     {
-        return parent::defaultData() + [
+        return [
             'query' => 'title',
             'search' => ''
         ];
@@ -37,11 +37,6 @@ public static function inputRules()
         ];
     }
 
-    public static function callbackRules()
-    {
-        return ['checkPager'];
-    }
-
     public function getRemoteTotal(): int
     {
         $search = $this->getData('search');
diff --git a/apps/models/form/Torrent/DownloadForm.php b/apps/models/form/Torrent/DownloadForm.php
index e6d90a5..1ffd442 100644
--- a/apps/models/form/Torrent/DownloadForm.php
+++ b/apps/models/form/Torrent/DownloadForm.php
@@ -8,12 +8,17 @@
 
 namespace apps\models\form\Torrent;
 
+use apps\models\form\Traits\FileDownloadTrait;
 use Rid\Bencode\Bencode;
 
 class DownloadForm extends StructureForm
 {
+    use FileDownloadTrait;
+
     public $https;
 
+    protected static $SEND_FILE_CONTENT_TYPE = 'application/x-bittorrent';
+
     public static function inputRules()
     {
         return [
@@ -22,18 +27,12 @@ public static function inputRules()
         ];
     }
 
-    public function setRespHeaders() {
-        $filename = '[' . config('base.site_name') . ']' . $this->torrent->getTorrentName() . '.torrent';
-
-        app()->response->setHeader('Content-Type', 'application/x-bittorrent');
-        if (strpos(app()->request->header('user-agent'), 'IE')) {
-            app()->response->setHeader('Content-Disposition', 'attachment; filename=' . str_replace('+', '%20', rawurlencode($filename)));
-        } else {
-            app()->response->setHeader('Content-Disposition', "attachment; filename=\"$filename\" ; charset=utf-8");
-        }
+    protected function getSendFileName(): string
+    {
+        return '[' . config('base.site_name') . ']' . $this->torrent->getTorrentName() . '.torrent';
     }
 
-    public function getDownloadDict() {
+    public function getSendFileContent() {
         $dict = $this->getTorrentFileContentDict();
 
         $scheme = 'http://';
diff --git a/apps/models/form/Traits/FileDownloadTrait.php b/apps/models/form/Traits/FileDownloadTrait.php
new file mode 100644
index 0000000..6b8768f
--- /dev/null
+++ b/apps/models/form/Traits/FileDownloadTrait.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Rhilip
+ * Date: 8/7/2019
+ * Time: 10:07 PM
+ */
+
+namespace apps\models\form\Traits;
+
+
+trait FileDownloadTrait
+{
+
+    protected function getSendFileName(): string
+    {
+        return static::$SEND_FILE_NAME ?? 'file';
+    }
+
+    protected function getContentType(): string
+    {
+        return static::$SEND_FILE_CONTENT_TYPE ?? 'application/octet-stream';
+    }
+
+    final private function setRespHeaders()
+    {
+        $filename = $this->getSendFileName();
+        app()->response->setHeader('Content-Type', $this->getContentType());
+
+        if (strpos(app()->request->header('user-agent'), 'IE')) {
+            app()->response->setHeader('Content-Disposition', 'attachment; filename=' . str_replace('+', '%20', rawurlencode($filename)));
+        } else {
+            app()->response->setHeader('Content-Disposition', "attachment; filename=\"$filename\" ; charset=utf-8");
+        }
+    }
+
+    abstract protected function getSendFileContent();
+
+    public function sendFileContentToClient()
+    {
+        $this->setRespHeaders();
+        return $this->getSendFileContent();
+    }
+}