diff --git a/benchmarks/experimental/index.js b/benchmarks/experimental/index.js
index 84a3198..6166d07 100644
--- a/benchmarks/experimental/index.js
+++ b/benchmarks/experimental/index.js
@@ -1,3 +1,4 @@
+
 // support async await by babel
 require('babel/register')({
   optional: ['asyncToGenerator']
diff --git a/lib/application.js b/lib/application.js
index e046726..4f46fe6 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -1,3 +1,4 @@
+
 /**
  * Module dependencies.
  */
diff --git a/test/experimental/index.js b/test/experimental/index.js
index 276085f..5bbf087 100644
--- a/test/experimental/index.js
+++ b/test/experimental/index.js
@@ -1,3 +1,4 @@
+
 require('babel/register')({
   optional: ['asyncToGenerator']
 });