diff --git a/app/Repositories/BonusRepository.php b/app/Repositories/BonusRepository.php
index 2d73285e..798e6956 100644
--- a/app/Repositories/BonusRepository.php
+++ b/app/Repositories/BonusRepository.php
@@ -254,10 +254,14 @@ class BonusRepository extends BaseRepository
 
     public function consumeToBuyTorrent($uid, $torrentId, $channel = 'Web'): bool
     {
-        $user = User::query()->findOrFail($uid);
         $torrent = Torrent::query()->findOrFail($torrentId, Torrent::$commentFields);
         $requireBonus = $torrent->price;
-        NexusDB::transaction(function () use ($user, $requireBonus, $torrent, $channel) {
+        NexusDB::transaction(function () use ($requireBonus, $torrent, $channel, $uid) {
+            $userQuery = User::query();
+            if ($requireBonus > 0) {
+                $userQuery = $userQuery->lockForUpdate();
+            }
+            $user = $userQuery->findOrFail($uid);
             $comment = nexus_trans('bonus.comment_buy_torrent', [
                 'bonus' => $requireBonus,
                 'torrent_id' => $torrent->id,
diff --git a/include/constants.php b/include/constants.php
index 9f0d96fe..2f6ca79a 100644
--- a/include/constants.php
+++ b/include/constants.php
@@ -1,6 +1,6 @@
 <?php
 defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.8.4');
-defined('RELEASE_DATE') || define('RELEASE_DATE', '2023-06-01');
+defined('RELEASE_DATE') || define('RELEASE_DATE', '2023-06-02');
 defined('IN_TRACKER') || define('IN_TRACKER', false);
 defined('PROJECTNAME') || define("PROJECTNAME","NexusPHP");
 defined('NEXUSPHPURL') || define("NEXUSPHPURL","https://nexusphp.org");
diff --git a/nexus/Install/Install.php b/nexus/Install/Install.php
index d1d344bb..93712c94 100644
--- a/nexus/Install/Install.php
+++ b/nexus/Install/Install.php
@@ -32,13 +32,11 @@ class Install
         'UID_STARTS',
     ];
 
-    protected array $requiredExtensions = ['ctype', 'curl', 'fileinfo', 'json', 'mbstring', 'openssl', 'pdo_mysql', 'tokenizer', 'xml', 'mysqli', 'bcmath', 'redis', 'gd', 'gmp', 'Zend OPcache'];
+    protected array $requiredExtensions = ['ctype', 'curl', 'fileinfo', 'json', 'mbstring', 'openssl', 'pdo_mysql', 'tokenizer', 'xml', 'mysqli', 'bcmath', 'redis', 'gd', 'gmp', 'Zend OPcache', 'pcntl', 'posix', 'sockets'];
     protected array $optionalExtensions = [
-        ['name' => 'pcntl', 'desc' => "If use Octane and 'Current' showing 0, make sure it's on php -m"],
-        ['name' => 'posix', 'desc' => "If use Octane and 'Current' showing 0, make sure it's on php -m"],
-        ['name' => 'sockets', 'desc' => "If use roadrunner for Octane, make sure 'current' shows 1"],
-        ['name' => 'swoole', 'desc' => "If use swoole for Octane, make sure 'current' shows 1"],
+//        ['name' => 'swoole', 'desc' => "If use swoole for Octane, make sure 'current' shows 1"],
     ];
+    protected array $requiredFunctions = ['symlink', 'putenv', 'proc_open', 'proc_get_status', 'exec', 'pcntl_signal', 'pcntl_alarm', 'pcntl_async_signals'];
 
     protected string $lockFile = 'install.lock';
 
@@ -165,9 +163,8 @@ class Install
             'result' => $this->yesOrNo(version_compare(PHP_VERSION, $this->minimumPhpVersion, '>=')),
         ];
 
-        $requiredFunctions = ['symlink', 'putenv', 'proc_open', 'proc_get_status', 'exec'];
         $disabledFunctions = [];
-        foreach ($requiredFunctions as $fn) {
+        foreach ($this->requiredFunctions as $fn) {
             if (!function_exists($fn)) {
                 $disabledFunctions[] = $fn;
             }
diff --git a/public/announce.php b/public/announce.php
index 2085b59c..206c3c4c 100644
--- a/public/announce.php
+++ b/public/announce.php
@@ -224,19 +224,11 @@ if (
         return intval($exists);
     });
     if (!$hasBuy) {
-        $lock = new \Nexus\Database\NexusLock("buying_torrent:$userid", 10);
-        if (!$lock->get()) {
-            $msg = "buying torrent, wait!";
-            do_log("[ANNOUNCE] user: $userid, torrent: $torrentid, $msg", 'error');
-            err($msg);
-        }
         $bonusRep = new \App\Repositories\BonusRepository();
         try {
             $bonusRep->consumeToBuyTorrent($az['id'], $torrent['id'], 'Web');
-            $lock->release();
             $redis->set($hasBuyCacheKey, 1, $hasBuyCacheTime);
         } catch (\Exception $exception) {
-            $lock->release();
             $msg = $exception->getMessage();
             do_log("[ANNOUNCE] user: $userid, torrent: $torrentid, $msg " . $exception->getTraceAsString(), 'error');
             err($msg);