diff --git a/config/bootstrap.php b/config/bootstrap.php
index fb7cf28..95d2e87 100644
--- a/config/bootstrap.php
+++ b/config/bootstrap.php
@@ -13,10 +13,5 @@
  */
 
 return [
-    support\bootstrap\Container::class,
     support\bootstrap\Session::class,
-    support\bootstrap\db\Laravel::class,
-    support\bootstrap\Redis::class,
-    support\bootstrap\Log::class,
-    support\bootstrap\Translation::class,
 ];
diff --git a/start.php b/start.php
index 5e63f8c..1b43366 100644
--- a/start.php
+++ b/start.php
@@ -10,8 +10,8 @@
 use Webman\Middleware;
 use Dotenv\Dotenv;
 use support\Request;
-use support\bootstrap\Log;
-use support\bootstrap\Container;
+use support\Log;
+use support\Container;
 
 ini_set('display_errors', 'on');
 error_reporting(E_ALL);
@@ -130,9 +130,6 @@
             Config::reload(config_path(), ['route']);
 
             $bootstrap = $config['bootstrap'] ?? config('bootstrap', []);
-            if (!in_array(support\bootstrap\Log::class, $bootstrap)) {
-                $bootstrap[] = support\bootstrap\Log::class;
-            }
             foreach ($bootstrap as $class_name) {
                 /** @var \Webman\Bootstrap $class_name */
                 $class_name::start($worker);
diff --git a/support/Cache.php b/support/Cache.php
new file mode 100644
index 0000000..8d5898e
--- /dev/null
+++ b/support/Cache.php
@@ -0,0 +1,49 @@
+<?php
+namespace support;
+
+use Symfony\Component\Cache\Adapter\RedisAdapter;
+use Symfony\Component\Cache\Psr16Cache;
+
+/**
+ * Class Cache
+ * @package support\bootstrap
+ *
+ * Strings methods
+ * @method static mixed get($key, $default = null)
+ * @method static bool set($key, $value, $ttl = null)
+ * @method static bool delete($key)
+ * @method static bool clear()
+ * @method static iterable getMultiple($keys, $default = null)
+ * @method static bool setMultiple($values, $ttl = null)
+ * @method static bool deleteMultiple($keys)
+ * @method static bool has($key)
+ */
+class Cache
+{
+    /**
+     * @var Psr16Cache
+     */
+    public static $_instance = null;
+
+    /**
+     * @return Psr16Cache
+     */
+    public static function instance()
+    {
+        if (!static::$_instance) {
+            $adapter = new RedisAdapter(Redis::connection()->client());
+            self::$_instance = new Psr16Cache($adapter);
+        }
+        return static::$_instance;
+    }
+
+    /**
+     * @param $name
+     * @param $arguments
+     * @return mixed
+     */
+    public static function __callStatic($name, $arguments)
+    {
+        return static::instance()->{$name}(... $arguments);
+    }
+}
diff --git a/support/bootstrap/Container.php b/support/Container.php
similarity index 71%
rename from support/bootstrap/Container.php
rename to support/Container.php
index 4af86d3..de5fd6c 100644
--- a/support/bootstrap/Container.php
+++ b/support/Container.php
@@ -11,10 +11,8 @@
  * @link      http://www.workerman.net/
  * @license   http://www.opensource.org/licenses/mit-license.php MIT License
  */
-namespace support\bootstrap;
+namespace support;
 
-use Workerman\Worker;
-use Webman\Bootstrap;
 use Psr\Container\ContainerInterface;
 
 /**
@@ -24,7 +22,7 @@
  * @method static mixed make($name, array $parameters)
  * @method static bool has($name)
  */
-class Container implements Bootstrap
+class Container
 {
     /**
      * @var ContainerInterface
@@ -32,12 +30,14 @@ class Container implements Bootstrap
     protected static $_instance = null;
 
     /**
-     * @param Worker $worker
-     * @return void
+     * @return ContainerInterface
      */
-    public static function start($worker)
+    public static function instance()
     {
-        static::$_instance = include config_path() . '/container.php';
+        if (!static::$_instance) {
+            static::$_instance = include config_path() . '/container.php';
+        }
+        return static::$_instance;
     }
 
     /**
@@ -47,15 +47,6 @@ public static function start($worker)
      */
     public static function __callStatic($name, $arguments)
     {
-        return static::$_instance->{$name}(... $arguments);
-    }
-
-    /**
-     * instance
-     * @return
-     */
-    public static function instance()
-    {
-        return static::$_instance;
+        return static::instance()->{$name}(... $arguments);
     }
 }
\ No newline at end of file
diff --git a/support/Db.php b/support/Db.php
index 8592832..1c6de3c 100644
--- a/support/Db.php
+++ b/support/Db.php
@@ -14,6 +14,11 @@
 namespace support;
 
 use Illuminate\Database\Capsule\Manager;
+use Illuminate\Database\Capsule\Manager as Capsule;
+use Illuminate\Events\Dispatcher;
+use Illuminate\Container\Container;
+use Jenssegers\Mongodb\Connection;
+use Workerman\Timer;
 
 /**
  * Class Db
@@ -21,5 +26,92 @@
  */
 class Db extends Manager
 {
+    /**
+     * @return void
+     */
+    public static function setInstance()
+    {
+        $capsule = new Capsule;
+        $configs = config('database');
+        if (empty($configs)) {
+            return;
+        }
 
+        $capsule->getDatabaseManager()->extend('mongodb', function ($config, $name) {
+            $config['name'] = $name;
+            return new Connection($config);
+        });
+
+        $default_config = $configs['connections'][$configs['default']];
+        $capsule->addConnection($default_config);
+
+        foreach ($configs['connections'] as $name => $config) {
+            $capsule->addConnection($config, $name);
+        }
+
+        if (class_exists('\Illuminate\Events\Dispatcher')) {
+            $capsule->setEventDispatcher(new Dispatcher(new Container));
+        }
+
+        $capsule->setAsGlobal();
+
+        $capsule->bootEloquent();
+
+        // Heartbeat
+        $connections = config('database.connections');
+        if (!$connections) {
+            return;
+        }
+        Timer::add(55, function () use ($connections) {
+            foreach ($connections as $key => $item) {
+                if ($item['driver'] == 'mysql') {
+                    Db::connection($key)->select('select 1');
+                }
+            }
+        });
+    }
+
+    /**
+     * Get a connection instance from the global manager.
+     *
+     * @param  string|null  $connection
+     * @return \Illuminate\Database\Connection
+     */
+    public static function connection($connection = null)
+    {
+        if (!static::$instance) {
+            static::setInstance();
+        }
+        return static::$instance->getConnection($connection);
+    }
+
+    /**
+     * Get a fluent query builder instance.
+     *
+     * @param  \Closure|\Illuminate\Database\Query\Builder|string  $table
+     * @param  string|null  $as
+     * @param  string|null  $connection
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public static function table($table, $as = null, $connection = null)
+    {
+        if (!static::$instance) {
+            static::setInstance();
+        }
+        return static::$instance->connection($connection)->table($table, $as);
+    }
+
+    /**
+     * Get a schema builder instance.
+     *
+     * @param  string|null  $connection
+     * @return \Illuminate\Database\Schema\Builder
+     */
+    public static function schema($connection = null)
+    {
+        if (!static::$instance) {
+            static::setInstance();
+        }
+        return static::$instance->connection($connection)->getSchemaBuilder();
+    }
 }
\ No newline at end of file
diff --git a/support/bootstrap/Log.php b/support/Log.php
similarity index 61%
rename from support/bootstrap/Log.php
rename to support/Log.php
index 0bb0472..627c012 100644
--- a/support/bootstrap/Log.php
+++ b/support/Log.php
@@ -11,9 +11,8 @@
  * @link      http://www.workerman.net/
  * @license   http://www.opensource.org/licenses/mit-license.php MIT License
  */
-namespace support\bootstrap;
+namespace support;
 
-use Webman\Bootstrap;
 use Monolog\Logger;
 
 /**
@@ -30,40 +29,34 @@
  * @method static void alert($message, array $context = [])
  * @method static void emergency($message, array $context = [])
  */
-class Log implements Bootstrap {
-
+class Log
+{
     /**
      * @var array
      */
     protected static $_instance = [];
 
     /**
-     * @param \Workerman\Worker $worker
-     * @return void
+     * @param string $name
+     * @return Logger
      */
-    public static function start($worker)
+    public static function channel($name = 'default')
     {
-        $configs = config('log', []);
-        foreach ($configs as $channel => $config) {
-            $logger = static::$_instance[$channel] = new Logger($channel);
-            foreach ($config['handlers'] as $handler_config) {
-                $handler = new $handler_config['class'](... \array_values($handler_config['constructor']));
-                if (isset($handler_config['formatter'])) {
-                    $formatter = new $handler_config['formatter']['class'](... \array_values($handler_config['formatter']['constructor']));
-                    $handler->setFormatter($formatter);
+        if (!static::$_instance) {
+            $configs = config('log', []);
+            foreach ($configs as $channel => $config) {
+                $logger = static::$_instance[$channel] = new Logger($channel);
+                foreach ($config['handlers'] as $handler_config) {
+                    $handler = new $handler_config['class'](... \array_values($handler_config['constructor']));
+                    if (isset($handler_config['formatter'])) {
+                        $formatter = new $handler_config['formatter']['class'](... \array_values($handler_config['formatter']['constructor']));
+                        $handler->setFormatter($formatter);
+                    }
+                    $logger->pushHandler($handler);
                 }
-                $logger->pushHandler($handler);
             }
         }
-    }
-
-    /**
-     * @param string $name
-     * @return Logger;
-     */
-    public static function channel($name = 'default')
-    {
-        return static::$_instance[$name] ?? null;
+        return static::$_instance[$name];
     }
 
 
diff --git a/support/bootstrap/Redis.php b/support/Redis.php
similarity index 94%
rename from support/bootstrap/Redis.php
rename to support/Redis.php
index f420a82..7627a00 100644
--- a/support/bootstrap/Redis.php
+++ b/support/Redis.php
@@ -11,9 +11,8 @@
  * @link      http://www.workerman.net/
  * @license   http://www.opensource.org/licenses/mit-license.php MIT License
  */
-namespace support\bootstrap;
+namespace support;
 
-use Webman\Bootstrap;
 use Illuminate\Redis\RedisManager;
 
 /**
@@ -198,24 +197,24 @@
  * @method static mixed getPersistentID()
  * @method static mixed getAuth()
  */
-class Redis implements Bootstrap {
+class Redis
+{
 
     /**
      * @var RedisManager
      */
-    protected static $_manager = null;
+    protected static $_instance = null;
 
     /**
-     * @param \Workerman\Worker $worker
-     * @return void
+     * @return RedisManager
      */
-    public static function start($worker)
+    public static function instance()
     {
-        if (!class_exists('\Illuminate\Redis\RedisManager')) {
-            return;
+        if (!static::$_instance) {
+            $config = config('redis');
+            static::$_instance = new RedisManager('', 'phpredis', $config);
         }
-        $config = config('redis');
-        static::$_manager = new RedisManager('', 'phpredis', $config);
+        return static::$_instance;
     }
 
     /**
@@ -223,7 +222,7 @@ public static function start($worker)
      * @return \Illuminate\Redis\Connections\Connection
      */
     public static function connection($name = 'default') {
-        return static::$_manager->connection($name);
+        return static::instance()->connection($name);
     }
 
     /**
@@ -233,6 +232,6 @@ public static function connection($name = 'default') {
      */
     public static function __callStatic($name, $arguments)
     {
-        return static::$_manager->connection('default')->{$name}(... $arguments);
+        return static::instance()->connection('default')->{$name}(... $arguments);
     }
 }
diff --git a/support/Translation.php b/support/Translation.php
new file mode 100644
index 0000000..3fdaffb
--- /dev/null
+++ b/support/Translation.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * This file is part of webman.
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the MIT-LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @author    walkor<walkor@workerman.net>
+ * @copyright walkor<walkor@workerman.net>
+ * @link      http://www.workerman.net/
+ * @license   http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+namespace support;
+
+use Symfony\Component\Translation\Translator;
+use Symfony\Component\Translation\Loader\PhpFileLoader;
+use Webman\Exception\NotFoundException;
+
+/**
+ * Class Translation
+ * @package support\bootstrap
+ * @method static string trans(?string $id, array $parameters = [], string $domain = null, string $locale = null)
+ * @method static void setLocale(string $locale)
+ * @method static string getLocale()
+ */
+class Translation
+{
+
+    /**
+     * @var Translator
+     */
+    protected static $_instance;
+
+    /**
+     * @return Translator
+     * @throws NotFoundException
+     */
+    public static function instance()
+    {
+        if (!static::$_instance) {
+            $config = config('translation', []);
+            if (!$translations_path = realpath($config['path'])) {
+                throw new NotFoundException("File {$config['path']} not found");
+            }
+
+            static::$_instance = $translator = new Translator($config['locale']);
+            $translator->setFallbackLocales($config['fallback_locale']);
+
+            $classes = [
+                'Symfony\Component\Translation\Loader\PhpFileLoader' => [
+                    'extension' => '.php',
+                    'format' => 'phpfile'
+                ],
+                'Symfony\Component\Translation\Loader\PoFileLoader' => [
+                    'extension' => '.po',
+                    'format' => 'pofile'
+                ]
+            ];
+
+            foreach ($classes as $class => $opts)
+            {
+                $translator->addLoader($opts['format'], new $class);
+                foreach (glob($translations_path . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . '*' . $opts['extension']) as $file) {
+                    $domain = basename($file, $opts['extension']);
+                    $dir_name = pathinfo($file, PATHINFO_DIRNAME);
+                    $locale = substr(strrchr($dir_name, DIRECTORY_SEPARATOR), 1);
+                    if ($domain && $locale) {
+                        $translator->addResource($opts['format'], $file, $locale, $domain);
+                    }
+                }
+            }
+        }
+        return static::$_instance;
+    }
+
+    /**
+     * @param $name
+     * @param $arguments
+     * @return mixed
+     */
+    public static function __callStatic($name, $arguments)
+    {
+        return static::instance()->{$name}(... $arguments);
+    }
+}
diff --git a/support/bootstrap/Translation.php b/support/bootstrap/Translation.php
deleted file mode 100644
index be8ece8..0000000
--- a/support/bootstrap/Translation.php
+++ /dev/null
@@ -1,85 +0,0 @@
-<?php
-/**
- * This file is part of webman.
- *
- * Licensed under The MIT License
- * For full copyright and license information, please see the MIT-LICENSE.txt
- * Redistributions of files must retain the above copyright notice.
- *
- * @author    walkor<walkor@workerman.net>
- * @copyright walkor<walkor@workerman.net>
- * @link      http://www.workerman.net/
- * @license   http://www.opensource.org/licenses/mit-license.php MIT License
- */
-namespace support\bootstrap;
-
-use Webman\Bootstrap;
-use Symfony\Component\Translation\Translator;
-use Symfony\Component\Translation\Loader\PhpFileLoader;
-
-/**
- * Class Translation
- * @package support\bootstrap
- * @method static string trans(?string $id, array $parameters = [], string $domain = null, string $locale = null)
- * @method static void setLocale(string $locale)
- * @method static string getLocale()
- */
-class Translation implements Bootstrap {
-
-    /**
-     * @var array
-     */
-    protected static $_translator = [];
-
-    /**
-     * @param \Workerman\Worker $worker
-     * @return void
-     */
-    public static function start($worker)
-    {
-        if (!class_exists('\Symfony\Component\Translation\Translator')) {
-            return;
-        }
-        $config = config('translation', []);
-        if (!$translations_path = realpath($config['path'])) {
-            return;
-        }
-
-        static::$_translator = $translator = new Translator($config['locale']);
-        $translator->setFallbackLocales($config['fallback_locale']);
-
-        $classes = [
-            'Symfony\Component\Translation\Loader\PhpFileLoader' => [
-                'extension' => '.php',
-                'format' => 'phpfile'
-            ],
-            'Symfony\Component\Translation\Loader\PoFileLoader' => [
-                'extension' => '.po',
-                'format' => 'pofile'
-            ]
-        ];
-
-        foreach ($classes as $class => $opts)
-        {
-            $translator->addLoader($opts['format'], new $class);
-            foreach (glob($translations_path . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . '*' . $opts['extension']) as $file) {
-                $domain = basename($file, $opts['extension']);
-                $dir_name = pathinfo($file, PATHINFO_DIRNAME);
-                $locale = substr(strrchr($dir_name, DIRECTORY_SEPARATOR), 1);
-                if ($domain && $locale) {
-                    $translator->addResource($opts['format'], $file, $locale, $domain);
-                }
-            }
-        }
-    }
-
-    /**
-     * @param $name
-     * @param $arguments
-     * @return mixed
-     */
-    public static function __callStatic($name, $arguments)
-    {
-        return static::$_translator->{$name}(... $arguments);
-    }
-}
diff --git a/support/bootstrap/db/Laravel.php b/support/bootstrap/db/Laravel.php
deleted file mode 100644
index 7cc5923..0000000
--- a/support/bootstrap/db/Laravel.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/**
- * This file is part of webman.
- *
- * Licensed under The MIT License
- * For full copyright and license information, please see the MIT-LICENSE.txt
- * Redistributions of files must retain the above copyright notice.
- *
- * @author    walkor<walkor@workerman.net>
- * @copyright walkor<walkor@workerman.net>
- * @link      http://www.workerman.net/
- * @license   http://www.opensource.org/licenses/mit-license.php MIT License
- */
-namespace support\bootstrap\db;
-
-use Webman\Bootstrap;
-use Illuminate\Database\Capsule\Manager as Capsule;
-use Illuminate\Events\Dispatcher;
-use Illuminate\Container\Container;
-use Jenssegers\Mongodb\Connection;
-use Workerman\Timer;
-use Workerman\Worker;
-use support\Db;
-
-/**
- * Class Laravel
- * @package support\bootstrap\db
- */
-class Laravel implements Bootstrap
-{
-    /**
-     * @param Worker $worker
-     *
-     * @return void
-     */
-    public static function start($worker)
-    {
-        if (!class_exists('\Illuminate\Database\Capsule\Manager')) {
-            return;
-        }
-        $capsule = new Capsule;
-        $configs = config('database');
-        if (empty($configs)) {
-            return;
-        }
-
-        $capsule->getDatabaseManager()->extend('mongodb', function($config, $name) {
-            $config['name'] = $name;
-            return new Connection($config);
-        });
-
-        $default_config = $configs['connections'][$configs['default']];
-        $capsule->addConnection($default_config);
-
-        foreach ($configs['connections'] as $name => $config) {
-            $capsule->addConnection($config, $name);
-        }
-
-        if (class_exists('\Illuminate\Events\Dispatcher')) {
-            $capsule->setEventDispatcher(new Dispatcher(new Container));
-        }
-
-        $capsule->setAsGlobal();
-
-        $capsule->bootEloquent();
-
-        $connections = config('database.connections');
-        if (!$connections) {
-            return;
-        }
-        Timer::add(55, function () use ($connections){
-            foreach ($connections as $key => $item) {
-                Db::connection($key)->select('select 1 limit 1');
-            }
-        });
-    }
-}
diff --git a/support/helpers.php b/support/helpers.php
index ccf8557..26aa172 100644
--- a/support/helpers.php
+++ b/support/helpers.php
@@ -14,11 +14,10 @@
 
 use support\Request;
 use support\Response;
-use support\bootstrap\Translation;
+use support\Translation;
 use Webman\App;
 use Webman\Config;
 use Webman\Route;
-use Webman\Exception\ClassNotFoundException;
 
 define('BASE_PATH', realpath(__DIR__ . '/../'));