fixed #121;

lib/Tools/Helper.php

@@ -438,7 +438,7 @@ class Helper
     public static function getYtdlConfig($uid = null): array
     {
         $config = [
-            'binary' => self::getSettings("ncd_yt_binary", null, Settings::TYPE['SYSTEM']),
+            'binary' => self::getAdminSettings("ncd_yt_binary"),
             'downloadDir' => Helper::getRealDownloadDir(),
             'settings' => self::newSettings()->getYtdl(),
         ];

lib/Ytdl/Ytdl.php

@@ -29,7 +29,7 @@ class Ytdl
     public function init(array $options)
     {
         extract($options);
-        if (isset($binary) && $this->isExecutable($binary)) {
+        if (isset($binary) && @is_executable($binary)) {
             $this->bin = $binary;
         } else {
             $this->bin = __DIR__ . "/../../bin/yt-dlp"; //Helper::findBinaryPath('ytdl', __DIR__ . "/../../bin/yt-dlp");