fix main

src/main.ts

@@ -11,10 +11,10 @@ const mixer: Mixer = new Mixer();
 const server = createServer(mixer.http_handler);
 
 // 2. bind 404 error
-server.on('error', (err: Error, sock: Socket) => {
+server.on('clientError', (err: Error, sock: Socket) => {
 	sock.end('HTTP/1.1 400 Bad Request\r\n\r\n');
 });
 
 // 3. listen on given port
 server.listen(8000);
-console.log('+ Listen :8080')
+console.log('+ listen 8080')