diff --git a/output/swoole/aliases.php b/output/swoole/aliases.php
index f43ddb48..2853fb15 100644
--- a/output/swoole/aliases.php
+++ b/output/swoole/aliases.php
@@ -20,7 +20,6 @@ class_alias(Swoole\Coroutine\System::class, Co\System::class);
 
 class_alias(Swoole\Atomic::class, swoole_atomic::class);
 class_alias(Swoole\Atomic\Long::class, swoole_atomic_long::class);
-class_alias(Swoole\Buffer::class, swoole_buffer::class);
 class_alias(Swoole\Client::class, swoole_client::class);
 class_alias(Swoole\Connection\Iterator::class, swoole_connection_iterator::class);
 class_alias(Swoole\Coroutine::class, co::class);
diff --git a/output/swoole/constants.php b/output/swoole/constants.php
index cc9e15c9..f12e53f4 100644
--- a/output/swoole/constants.php
+++ b/output/swoole/constants.php
@@ -1,10 +1,10 @@
 <?php
 
-define('SWOOLE_VERSION', '4.4.18');
-define('SWOOLE_VERSION_ID', 40418);
+define('SWOOLE_VERSION', '4.5.0');
+define('SWOOLE_VERSION_ID', 40500);
 define('SWOOLE_MAJOR_VERSION', 4);
-define('SWOOLE_MINOR_VERSION', 4);
-define('SWOOLE_RELEASE_VERSION', 18);
+define('SWOOLE_MINOR_VERSION', 5);
+define('SWOOLE_RELEASE_VERSION', 0);
 define('SWOOLE_EXTRA_VERSION', '');
 define('SWOOLE_DEBUG', '');
 define('SWOOLE_HAVE_COMPRESSION', '1');
@@ -37,9 +37,6 @@
 define('SWOOLE_SSLv3_METHOD', 1);
 define('SWOOLE_SSLv3_SERVER_METHOD', 2);
 define('SWOOLE_SSLv3_CLIENT_METHOD', 3);
-define('SWOOLE_SSLv23_METHOD', 0);
-define('SWOOLE_SSLv23_SERVER_METHOD', 4);
-define('SWOOLE_SSLv23_CLIENT_METHOD', 5);
 define('SWOOLE_TLSv1_METHOD', 6);
 define('SWOOLE_TLSv1_SERVER_METHOD', 7);
 define('SWOOLE_TLSv1_CLIENT_METHOD', 8);
@@ -49,9 +46,14 @@
 define('SWOOLE_TLSv1_2_METHOD', 12);
 define('SWOOLE_TLSv1_2_SERVER_METHOD', 13);
 define('SWOOLE_TLSv1_2_CLIENT_METHOD', 14);
-define('SWOOLE_DTLSv1_METHOD', 15);
-define('SWOOLE_DTLSv1_SERVER_METHOD', 16);
-define('SWOOLE_DTLSv1_CLIENT_METHOD', 17);
+define('SWOOLE_DTLS_SERVER_METHOD', 16);
+define('SWOOLE_DTLS_CLIENT_METHOD', 15);
+define('SWOOLE_SSLv23_METHOD', 0);
+define('SWOOLE_SSLv23_SERVER_METHOD', 4);
+define('SWOOLE_SSLv23_CLIENT_METHOD', 5);
+define('SWOOLE_TLS_METHOD', 0);
+define('SWOOLE_TLS_SERVER_METHOD', 4);
+define('SWOOLE_TLS_CLIENT_METHOD', 5);
 define('SWOOLE_EVENT_READ', 512);
 define('SWOOLE_EVENT_WRITE', 1024);
 define('SWOOLE_STRERROR_SYSTEM', 0);
@@ -81,15 +83,16 @@
 define('SWOOLE_ERROR_SESSION_NOT_EXIST', 1005);
 define('SWOOLE_ERROR_SESSION_INVALID_ID', 1006);
 define('SWOOLE_ERROR_SESSION_DISCARD_TIMEOUT_DATA', 1007);
-define('SWOOLE_ERROR_OUTPUT_BUFFER_OVERFLOW', 1008);
-define('SWOOLE_ERROR_OUTPUT_SEND_YIELD', 1009);
-define('SWOOLE_ERROR_SSL_NOT_READY', 1010);
-define('SWOOLE_ERROR_SSL_CANNOT_USE_SENFILE', 1011);
-define('SWOOLE_ERROR_SSL_EMPTY_PEER_CERTIFICATE', 1012);
-define('SWOOLE_ERROR_SSL_VEFIRY_FAILED', 1013);
-define('SWOOLE_ERROR_SSL_BAD_CLIENT', 1014);
-define('SWOOLE_ERROR_SSL_BAD_PROTOCOL', 1015);
-define('SWOOLE_ERROR_SSL_RESET', 1016);
+define('SWOOLE_ERROR_SESSION_DISCARD_DATA', 1008);
+define('SWOOLE_ERROR_OUTPUT_BUFFER_OVERFLOW', 1009);
+define('SWOOLE_ERROR_OUTPUT_SEND_YIELD', 1010);
+define('SWOOLE_ERROR_SSL_NOT_READY', 1011);
+define('SWOOLE_ERROR_SSL_CANNOT_USE_SENFILE', 1012);
+define('SWOOLE_ERROR_SSL_EMPTY_PEER_CERTIFICATE', 1013);
+define('SWOOLE_ERROR_SSL_VERIFY_FAILED', 1014);
+define('SWOOLE_ERROR_SSL_BAD_CLIENT', 1015);
+define('SWOOLE_ERROR_SSL_BAD_PROTOCOL', 1016);
+define('SWOOLE_ERROR_SSL_RESET', 1017);
 define('SWOOLE_ERROR_PACKAGE_LENGTH_TOO_LARGE', 1201);
 define('SWOOLE_ERROR_PACKAGE_LENGTH_NOT_FOUND', 1202);
 define('SWOOLE_ERROR_DATA_LENGTH_TOO_LARGE', 1203);
@@ -309,6 +312,8 @@
 define('SWOOLE_TASK_COROUTINE', 32);
 define('SWOOLE_TASK_PEEK', 64);
 define('SWOOLE_TASK_NOREPLY', 128);
+define('SWOOLE_WORKER_BUSY', 1);
+define('SWOOLE_WORKER_IDLE', 2);
 define('SWOOLE_WEBSOCKET_STATUS_CONNECTION', 1);
 define('SWOOLE_WEBSOCKET_STATUS_HANDSHAKE', 2);
 define('SWOOLE_WEBSOCKET_STATUS_ACTIVE', 3);
diff --git a/output/swoole/functions.php b/output/swoole/functions.php
index 98876917..846693e1 100644
--- a/output/swoole/functions.php
+++ b/output/swoole/functions.php
@@ -94,12 +94,44 @@ function swoole_errno(){}
  */
 function swoole_hashcode($data, $type = null){}
 
+/**
+ * @param $suffix[required]
+ * @param $mime_type[required]
+ * @return mixed
+ */
+function swoole_mime_type_add($suffix, $mime_type){}
+
+/**
+ * @param $suffix[required]
+ * @param $mime_type[required]
+ * @return mixed
+ */
+function swoole_mime_type_set($suffix, $mime_type){}
+
+/**
+ * @param $suffix[required]
+ * @return mixed
+ */
+function swoole_mime_type_delete($suffix){}
+
+/**
+ * @param $filename[required]
+ * @return mixed
+ */
+function swoole_mime_type_get($filename){}
+
 /**
  * @param $filename[required]
  * @return mixed
  */
 function swoole_get_mime_type($filename){}
 
+/**
+ * @param $filename[required]
+ * @return mixed
+ */
+function swoole_mime_type_exists($filename){}
+
 /**
  * @return mixed
  */
diff --git a/output/swoole/namespace/Buffer.php b/output/swoole/namespace/Buffer.php
deleted file mode 100644
index b04422b8..00000000
--- a/output/swoole/namespace/Buffer.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-
-namespace Swoole;
-
-class Buffer
-{
-
-    public $capacity = 128;
-
-    public $length = 0;
-
-    public function __construct($size = null)
-    {
-    }
-
-    public function __destruct()
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function __toString()
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function substr($offset, $length = null, $remove = null)
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function write($offset, $data)
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function read($offset, $length)
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function append($data)
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function expand($size)
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function recycle()
-    {
-    }
-
-    /**
-     * @return mixed
-     */
-    public function clear()
-    {
-    }
-
-
-}
diff --git a/output/swoole/namespace/Coroutine.php b/output/swoole/namespace/Coroutine.php
index 999f6a3d..b0a8e505 100644
--- a/output/swoole/namespace/Coroutine.php
+++ b/output/swoole/namespace/Coroutine.php
@@ -96,6 +96,13 @@ public static function getBackTrace($cid = null, $options = null, $limit = null)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public static function getElapsed($cid = null)
+    {
+    }
+
     /**
      * @return mixed
      */
@@ -201,5 +208,33 @@ public static function statvfs($path)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public static function wait($timeout = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public static function waitPid($pid, $timeout = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public static function waitSignal($signo, $timeout = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public static function waitEvent($fd, $events = null, $timeout = null)
+    {
+    }
+
 
 }
diff --git a/output/swoole/namespace/Coroutine/Http/Client.php b/output/swoole/namespace/Coroutine/Http/Client.php
index ba7c2442..3bf09361 100644
--- a/output/swoole/namespace/Coroutine/Http/Client.php
+++ b/output/swoole/namespace/Coroutine/Http/Client.php
@@ -126,6 +126,20 @@ public function execute($path)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function getpeername()
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getsockname()
+    {
+    }
+
     /**
      * @return mixed
      */
@@ -182,6 +196,13 @@ public function getHeaderOut()
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function getPeerCert()
+    {
+    }
+
     /**
      * @return mixed
      */
diff --git a/output/swoole/namespace/Coroutine/Http2/Client.php b/output/swoole/namespace/Coroutine/Http2/Client.php
index 282bb252..b970a4ae 100644
--- a/output/swoole/namespace/Coroutine/Http2/Client.php
+++ b/output/swoole/namespace/Coroutine/Http2/Client.php
@@ -80,6 +80,13 @@ public function recv($timeout = null)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function read($timeout = null)
+    {
+    }
+
     /**
      * @return mixed
      */
diff --git a/output/swoole/namespace/Coroutine/Socket.php b/output/swoole/namespace/Coroutine/Socket.php
index cb0b8b0c..0c9e246e 100644
--- a/output/swoole/namespace/Coroutine/Socket.php
+++ b/output/swoole/namespace/Coroutine/Socket.php
@@ -43,6 +43,20 @@ public function connect($host, $port = null, $timeout = null)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function checkLiveness()
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public function peek($length = null)
+    {
+    }
+
     /**
      * @return mixed
      */
@@ -120,6 +134,13 @@ public function setOption($level, $opt_name, $opt_value)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function sslHandshake()
+    {
+    }
+
     /**
      * @return mixed
      */
diff --git a/output/swoole/namespace/Coroutine/System.php b/output/swoole/namespace/Coroutine/System.php
index 2ca36f81..a110c654 100644
--- a/output/swoole/namespace/Coroutine/System.php
+++ b/output/swoole/namespace/Coroutine/System.php
@@ -82,5 +82,33 @@ public static function statvfs($path)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public static function wait($timeout = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public static function waitPid($pid, $timeout = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public static function waitSignal($signo, $timeout = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public static function waitEvent($fd, $events = null, $timeout = null)
+    {
+    }
+
 
 }
diff --git a/output/swoole/namespace/Http/Request.php b/output/swoole/namespace/Http/Request.php
index f9536a0e..cfb1d444 100644
--- a/output/swoole/namespace/Http/Request.php
+++ b/output/swoole/namespace/Http/Request.php
@@ -30,6 +30,13 @@ public function rawContent()
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function getContent()
+    {
+    }
+
     /**
      * @return mixed
      */
diff --git a/output/swoole/namespace/Http/Response.php b/output/swoole/namespace/Http/Response.php
index e6c4d047..a06b1638 100644
--- a/output/swoole/namespace/Http/Response.php
+++ b/output/swoole/namespace/Http/Response.php
@@ -123,7 +123,7 @@ public function detach()
     /**
      * @return mixed
      */
-    public static function create($fd)
+    public static function create($server, $fd = null)
     {
     }
 
diff --git a/output/swoole/namespace/Runtime.php b/output/swoole/namespace/Runtime.php
index 3d101c92..9019df3b 100644
--- a/output/swoole/namespace/Runtime.php
+++ b/output/swoole/namespace/Runtime.php
@@ -8,21 +8,21 @@ class Runtime
     /**
      * @return mixed
      */
-    public static function enableStrictMode()
+    public static function enableCoroutine($enable = null, $flags = null)
     {
     }
 
     /**
      * @return mixed
      */
-    public static function enableCoroutine($enable = null, $flags = null)
+    public static function getHookFlags()
     {
     }
 
     /**
      * @return mixed
      */
-    public static function getHookFlags()
+    public static function setHookFlags($flags)
     {
     }
 
diff --git a/output/swoole/namespace/Server.php b/output/swoole/namespace/Server.php
index c43d96b9..343b4a80 100644
--- a/output/swoole/namespace/Server.php
+++ b/output/swoole/namespace/Server.php
@@ -13,6 +13,10 @@ class Server
 
     private $onWorkerStop = null;
 
+    private $onBeforeReload = null;
+
+    private $onAfterReload = null;
+
     private $onWorkerExit = null;
 
     private $onWorkerError = null;
@@ -262,6 +266,41 @@ public function getClientList($start_fd, $find_count = null)
     {
     }
 
+    /**
+     * @return mixed
+     */
+    public function getWorkerId()
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getWorkerPid()
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getWorkerStatus($worker_id = null)
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getManagerPid()
+    {
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getMasterPid()
+    {
+    }
+
     /**
      * @return mixed
      */