diff --git a/System/Application.php b/System/Application.php
index ff833eae..93d7682a 100644
--- a/System/Application.php
+++ b/System/Application.php
@@ -37,130 +37,135 @@ use Swoole\Timer;
 class Application extends BaseApplication
 {
 
-    /**
-     * @var string
-     */
-    public string $id = 'uniqueId';
+	/**
+	 * @var string
+	 */
+	public string $id = 'uniqueId';
 
 
-    public string $state = '';
+	public string $state = '';
 
 
-    /**
-     * @throws NotFindClassException
-     */
-    public function init()
-    {
-        $this->import(ConsoleProviders::class);
-        $this->import(DatabasesProviders::class);
-        $this->import(ServerProviders::class);
+	/**
+	 * @throws NotFindClassException
+	 */
+	public function init()
+	{
+		$this->import(ConsoleProviders::class);
+		$this->import(ServerProviders::class);
 
-        $this->import(CrontabProviders::class);
-    }
+		$this->import(CrontabProviders::class);
+	}
 
 
+	/**
+	 * @throws NotFindClassException
+	 */
+	public function withDatabase()
+	{
+		$this->import(DatabasesProviders::class);
+	}
 
 
-
-    /**
-     * @param Closure|array $closure
-     * @return $this
-     * @throws Exception
-     */
-    public function middleware(Closure|array $closure): static
-    {
-        $this->getRouter()->setMiddleware($closure);
-        return $this;
-    }
+	/**
+	 * @param Closure|array $closure
+	 * @return $this
+	 * @throws Exception
+	 */
+	public function middleware(Closure|array $closure): static
+	{
+		$this->getRouter()->setMiddleware($closure);
+		return $this;
+	}
 
 
-    /**
-     * @param bool $useTree
-     * @return $this
-     * @throws Exception
-     */
-    public function setUseTree(bool $useTree): static
-    {
-        $this->getRouter()->setUseTree($useTree);
-        return $this;
-    }
+	/**
+	 * @param bool $useTree
+	 * @return $this
+	 * @throws Exception
+	 */
+	public function setUseTree(bool $useTree): static
+	{
+		$this->getRouter()->setUseTree($useTree);
+		return $this;
+	}
 
 
-    /**
-     * @param string $service
-     * @return $this
-     * @throws
-     */
-    public function import(string $service): static
-    {
-        if (!class_exists($service)) {
-            throw new NotFindClassException($service);
-        }
-        $class = Kiri::getDi()->get($service);
-        if (method_exists($class, 'onImport')) {
-            $class->onImport($this);
-        }
-        return $this;
-    }
+	/**
+	 * @param string $service
+	 * @return $this
+	 * @throws
+	 */
+	public function import(string $service): static
+	{
+		if (!class_exists($service)) {
+			throw new NotFindClassException($service);
+		}
+		$class = Kiri::getDi()->get($service);
+		if (method_exists($class, 'onImport')) {
+			$class->onImport($this);
+		}
+		return $this;
+	}
 
 
 	/**
 	 * @param Kernel $kernel
 	 * @return $this
 	 */
-    public function commands(Kernel $kernel): static
-    {
-        foreach ($kernel->getCommands() as $command) {
-            $this->register($command);
-        }
-        return $this;
-    }
+	public function commands(Kernel $kernel): static
+	{
+		foreach ($kernel->getCommands() as $command) {
+			$this->register($command);
+		}
+		return $this;
+	}
 
 
-    /**
-     * @param string $command
-     * @throws
-     */
-    public function register(string $command)
-    {
-        /** @var Console $abstracts */
-        $abstracts = $this->get('console');
-        $abstracts->register($command);
-    }
+	/**
+	 * @param string $command
+	 * @throws
+	 */
+	public function register(string $command)
+	{
+		/** @var Console $abstracts */
+		$abstracts = $this->get('console');
+		$abstracts->register($command);
+	}
 
 
-    /**
-     * @param Input $argv
-     * @return void
-     * @throws Exception
-     */
-    public function start(Input $argv): void
-    {
-        try {
-            /** @var Console $manager */
-            $manager = Kiri::app()->get('console');
-            $manager->register(Runtime::class);
-	        $class = $manager->setParameters($argv)->search();
-            if (!($class instanceof Command)) {
-                scan_directory(directory('app'), 'App');
-            }
-            $data = di(Response::class)->getBuilder($manager->execCommand($class));
-        } catch (\Throwable $exception) {
-            $data = di(Response::class)->getBuilder(logger()->exception($exception));
-        } finally {
-            print_r($data);
-            Timer::clearAll();
-        }
-    }
+	/**
+	 * @param Input $argv
+	 * @return void
+	 * @throws Exception
+	 */
+	public function start(Input $argv): void
+	{
+		try {
+			/** @var Console $manager */
+			$manager = Kiri::app()->get('console');
+			$manager->register(Runtime::class);
+			$class = $manager->setParameters($argv)->search();
+			if (!($class instanceof Command)) {
+				scan_directory(directory('app'), 'App');
+			}
+			$data = di(Response::class)->getBuilder($manager->execCommand($class));
+		} catch (\Throwable $exception) {
+			$data = di(Response::class)->getBuilder(logger()->exception($exception));
+		} finally {
+			print_r($data);
+			Timer::clearAll();
+		}
+	}
 
-    /**
-     * @param $className
-     * @param null $abstracts
-     * @return stdClass
-     * @throws Exception
-     */
-    public function make($className, $abstracts = null): stdClass
-    {
-        return make($className, $abstracts);
-    }
+	/**
+	 * @param $className
+	 * @param null $abstracts
+	 * @return stdClass
+	 * @throws Exception
+	 */
+	public function make($className, $abstracts = null): stdClass
+	{
+		return make($className, $abstracts);
+	}
 }