diff --git a/src/OneBot/V12/MPUtils.php b/src/OneBot/Util/MPUtils.php
similarity index 95%
rename from src/OneBot/V12/MPUtils.php
rename to src/OneBot/Util/MPUtils.php
index 92ce553..b568211 100644
--- a/src/OneBot/V12/MPUtils.php
+++ b/src/OneBot/Util/MPUtils.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace OneBot\V12;
+namespace OneBot\Util;
 
 class MPUtils
 {
diff --git a/src/OneBot/V12/Utils.php b/src/OneBot/Util/Utils.php
similarity index 52%
rename from src/OneBot/V12/Utils.php
rename to src/OneBot/Util/Utils.php
index b69b962..eb34cbb 100644
--- a/src/OneBot/V12/Utils.php
+++ b/src/OneBot/Util/Utils.php
@@ -2,10 +2,8 @@
 
 declare(strict_types=1);
 
-namespace OneBot\V12;
+namespace OneBot\Util;
 
-use OneBot\V12\Action\ActionBase;
-use OneBot\V12\Exception\OneBotFailureException;
 use PASVL\Validation\ValidatorBuilder;
 
 class Utils
@@ -43,35 +41,6 @@ public static function msgToString($message): string
         return $result;
     }
 
-    /**
-     * @throws OneBotFailureException
-     */
-    public static function getActionFuncName(ActionBase $handler, string $action)
-    {
-        if (isset(ActionBase::$core_cache[$action])) {
-            return ActionBase::$core_cache[$action];
-        }
-        if (isset(ActionBase::$ext_cache[$action])) {
-            return ActionBase::$ext_cache[$action];
-        }
-        if (substr(
-            $action,
-            0,
-            strlen(OneBot::getInstance()->getPlatform()) + 1
-        ) === (OneBot::getInstance()->getPlatform() . '.')) {
-            $func = self::separatorToCamel('ext_' . substr($action, strlen(OneBot::getInstance()->getPlatform()) + 1));
-            if (method_exists($handler, $func)) {
-                return ActionBase::$ext_cache[$action] = $func;
-            }
-        } else {
-            $func = self::separatorToCamel('on_' . $action);
-            if (method_exists($handler, $func)) {
-                return ActionBase::$core_cache[$action] = $func;
-            }
-        }
-        throw new OneBotFailureException(RetCode::UNSUPPORTED_ACTION);
-    }
-
     /**
      * 验证 $input 是否符合指定 $pattern.
      *
diff --git a/src/OneBot/V12/Action/ActionBase.php b/src/OneBot/V12/Action/ActionBase.php
index 4dd1568..16031e5 100644
--- a/src/OneBot/V12/Action/ActionBase.php
+++ b/src/OneBot/V12/Action/ActionBase.php
@@ -4,10 +4,10 @@
 
 namespace OneBot\V12\Action;
 
+use OneBot\Util\Utils;
 use OneBot\V12\Object\ActionObject;
 use OneBot\V12\OneBot;
 use OneBot\V12\RetCode;
-use OneBot\V12\Utils;
 use ReflectionClass;
 
 abstract class ActionBase
diff --git a/src/OneBot/V12/ExtendedActionInterface.php b/src/OneBot/V12/Action/ExtendedActionInterface.php
similarity index 71%
rename from src/OneBot/V12/ExtendedActionInterface.php
rename to src/OneBot/V12/Action/ExtendedActionInterface.php
index 29a4c0a..3c3d462 100644
--- a/src/OneBot/V12/ExtendedActionInterface.php
+++ b/src/OneBot/V12/Action/ExtendedActionInterface.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace OneBot\V12;
+namespace OneBot\V12\Action;
 
 interface ExtendedActionInterface
 {
diff --git a/src/OneBot/V12/Action/ReplAction.php b/src/OneBot/V12/Action/ReplAction.php
index d000794..3f51034 100644
--- a/src/OneBot/V12/Action/ReplAction.php
+++ b/src/OneBot/V12/Action/ReplAction.php
@@ -4,9 +4,13 @@
 
 namespace OneBot\V12\Action;
 
+use OneBot\Util\Utils;
 use OneBot\V12\Object\ActionObject;
-use OneBot\V12\Utils;
 
+/**
+ * Demo REPL Action Handler.
+ * Just for test.
+ */
 class ReplAction extends ActionBase
 {
     public function onSendMessage(ActionObject $action): ActionResponse
diff --git a/src/OneBot/V12/ActionHandler.php b/src/OneBot/V12/ActionHandler.php
deleted file mode 100644
index 889a455..0000000
--- a/src/OneBot/V12/ActionHandler.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace OneBot\V12;
-
-class ActionHandler
-{
-    public function sendMessage()
-    {
-    }
-}
diff --git a/src/OneBot/V12/Config/Config.php b/src/OneBot/V12/Config/Config.php
index 19806b0..e1110a0 100644
--- a/src/OneBot/V12/Config/Config.php
+++ b/src/OneBot/V12/Config/Config.php
@@ -4,8 +4,8 @@
 
 namespace OneBot\V12\Config;
 
+use OneBot\Util\Utils;
 use OneBot\V12\Exception\OneBotException;
-use OneBot\V12\Utils;
 
 class Config extends \Noodlehaus\Config implements ConfigInterface
 {
diff --git a/src/OneBot/V12/Console.php b/src/OneBot/V12/Console.php
deleted file mode 100644
index 58c6642..0000000
--- a/src/OneBot/V12/Console.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace OneBot\V12;
-
-class Console
-{
-    public static function warning($msg)
-    {
-        echo date('[H:i:s] ') . '[W] ' . $msg . PHP_EOL;
-    }
-
-    public static function success($msg)
-    {
-        echo date('[H:i:s] ') . '[S] ' . $msg . PHP_EOL;
-    }
-
-    public static function error($msg)
-    {
-        echo date('[H:i:s] ') . '[E] ' . $msg . PHP_EOL;
-    }
-}
diff --git a/src/OneBot/V12/Driver/Driver.php b/src/OneBot/V12/Driver/Driver.php
index 62a5849..8a77cc9 100644
--- a/src/OneBot/V12/Driver/Driver.php
+++ b/src/OneBot/V12/Driver/Driver.php
@@ -8,6 +8,8 @@
 use MessagePack\MessagePack;
 use OneBot\Http\Client\StreamClient;
 use OneBot\Http\Client\SwooleClient;
+use OneBot\Util\Utils;
+use OneBot\V12\Action\ActionBase;
 use OneBot\V12\Action\ActionResponse;
 use OneBot\V12\Config\ConfigInterface;
 use OneBot\V12\Exception\OneBotFailureException;
@@ -15,7 +17,6 @@
 use OneBot\V12\Object\Event\OneBotEvent;
 use OneBot\V12\OneBot;
 use OneBot\V12\RetCode;
-use OneBot\V12\Utils;
 
 abstract class Driver
 {
@@ -26,6 +27,8 @@ abstract class Driver
 
     protected $alt_client_class;
 
+    protected $_events = [];
+
     public function __construct($default_client_class = SwooleClient::class, $alt_client_class = StreamClient::class)
     {
         $this->default_client_class = $default_client_class;
@@ -83,8 +86,42 @@ protected function emitHttpRequest($raw_data, int $type = ONEBOT_JSON): ActionRe
         }
         // 解析调用action handler
         $action_handler = OneBot::getInstance()->getActionHandler();
-        $action_call_func = Utils::getActionFuncName($action_handler, $action_obj->action);
+        $action_call_func = $this->getActionFuncName($action_handler, $action_obj->action);
+        if ($action_call_func === null) {
+            return ActionResponse::create($action_obj->echo)->fail(RetCode::UNSUPPORTED_ACTION);
+        }
         $response_obj = $action_handler->{$action_call_func}($action_obj);
         return $response_obj instanceof ActionResponse ? $response_obj : ActionResponse::create($action_obj->echo)->fail(RetCode::BAD_HANDLER);
     }
+
+    /**
+     * @throws OneBotFailureException
+     * @return mixed|string
+     */
+    private function getActionFuncName(ActionBase $handler, string $action)
+    {
+        if (isset(ActionBase::$core_cache[$action])) {
+            return ActionBase::$core_cache[$action];
+        }
+
+        if (isset(ActionBase::$ext_cache[$action])) {
+            return ActionBase::$ext_cache[$action];
+        }
+        if (substr(
+            $action,
+            0,
+            strlen(OneBot::getInstance()->getPlatform()) + 1
+        ) === (OneBot::getInstance()->getPlatform() . '.')) {
+            $func = Utils::separatorToCamel('ext_' . substr($action, strlen(OneBot::getInstance()->getPlatform()) + 1));
+            if (method_exists($handler, $func)) {
+                return ActionBase::$ext_cache[$action] = $func;
+            }
+        } else {
+            $func = Utils::separatorToCamel('on_' . $action);
+            if (method_exists($handler, $func)) {
+                return ActionBase::$core_cache[$action] = $func;
+            }
+        }
+        throw new OneBotFailureException(RetCode::UNSUPPORTED_ACTION);
+    }
 }
diff --git a/src/OneBot/V12/Driver/SwooleDriver.php b/src/OneBot/V12/Driver/SwooleDriver.php
index 3bc782b..885e852 100644
--- a/src/OneBot/V12/Driver/SwooleDriver.php
+++ b/src/OneBot/V12/Driver/SwooleDriver.php
@@ -6,9 +6,9 @@
 
 use Error;
 use MessagePack\MessagePack;
+use OneBot\Util\MPUtils;
 use OneBot\V12\Action\ActionResponse;
 use OneBot\V12\Exception\OneBotFailureException;
-use OneBot\V12\MPUtils;
 use OneBot\V12\Object\Event\OneBotEvent;
 use OneBot\V12\RetCode;
 use Swoole\Http\Request;
diff --git a/src/OneBot/V12/Driver/WorkermanDriver.php b/src/OneBot/V12/Driver/WorkermanDriver.php
index fffa0c2..d17a3b7 100644
--- a/src/OneBot/V12/Driver/WorkermanDriver.php
+++ b/src/OneBot/V12/Driver/WorkermanDriver.php
@@ -6,10 +6,10 @@
 
 use Error;
 use MessagePack\MessagePack;
+use OneBot\Util\MPUtils;
 use OneBot\V12\Action\ActionResponse;
 use OneBot\V12\Driver\Workerman\Worker;
 use OneBot\V12\Exception\OneBotFailureException;
-use OneBot\V12\MPUtils;
 use OneBot\V12\Object\Event\OneBotEvent;
 use OneBot\V12\RetCode;
 use Throwable;