diff --git a/System/Application.php b/System/Application.php
index 49f9c343..1aa1649e 100644
--- a/System/Application.php
+++ b/System/Application.php
@@ -107,26 +107,25 @@ class Application extends BaseApplication
 	 */
 	public function start(Input $argv): void
 	{
-//		try {
-//		fire(Event::SERVER_BEFORE_START);
-		if (env('debug') == 'false') {
-			$annotation = Snowflake::app()->getAttributes();
-			$annotation->read(directory('app'), 'App');
+		try {
+			fire(Event::SERVER_BEFORE_START);
+			if (env('debug') == 'false') {
+				$annotation = Snowflake::app()->getAttributes();
+				$annotation->read(directory('app'), 'App');
+			}
+			$manager = Snowflake::app()->get('console');
+			$manager->setParameters($argv);
+			$class = $manager->search();
+			response()->send($manager->execCommand($class));
+		} catch (\Throwable $exception) {
+			response()->send(implode("\n", [
+				'Msg: ' . $exception->getMessage(),
+				'Line: ' . $exception->getLine(),
+				'File: ' . $exception->getFile()
+			]));
+		} finally {
+			Timer::clearAll();
 		}
-		$manager = Snowflake::app()->get('console');
-		$manager->setParameters($argv);
-		$class = $manager->search();
-		response()->send($manager->execCommand($class));
-//		} catch (\Throwable $exception) {
-//			var_dump($exception);
-////			response()->send(implode("\n", [
-////				'Msg: ' . $exception->getMessage(),
-////				'Line: ' . $exception->getLine(),
-////				'File: ' . $exception->getFile()
-////			]));
-//		} finally {
-//			Timer::clearAll();
-//		}
 	}
 
 	/**