diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1d547a2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+results.txt
diff --git a/koaserver.js b/koaserver.js
index 5d42e0f..426ef93 100644
--- a/koaserver.js
+++ b/koaserver.js
@@ -1,9 +1,9 @@
-var koa = require('koa');
-var app = koa();
+const Koa = require('koa');
+const app = new Koa();
 
-app.use(function *(){
-	this.set('Connection', 'close');
-  this.body = 'Hello World!';
+app.use(ctx => {
+	ctx.set('Connection', 'close');
+  ctx.body = 'Hello World';
 });
 
-app.listen(8000);
\ No newline at end of file
+app.listen(8000);