diff --git a/Gruntfile.js b/Gruntfile.js
index 4b97a48..38931a3 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -24,7 +24,7 @@ module.exports = grunt => {
 
   //----------------------------------------------------------------------------------------
   // Check if a new version of grunt-config is available and print an update notification to prompt the user to update.
-  const notifier = updateNotifier( { pkg: GRUNT_CONFIG_PACKAGE, updateCheckInterval: 0 } );
+  const notifier = updateNotifier( { pkg: GRUNT_CONFIG_PACKAGE, updateCheckInterval: 1000 * 60 * 60 } );
   if ( notifier.update && notifier.update.latest !== GRUNT_CONFIG_PACKAGE.version ) notifier.notify( { defer: false } );
 
   /**
diff --git a/src/Builder.js b/src/Builder.js
new file mode 100644
index 0000000..b144428
--- /dev/null
+++ b/src/Builder.js
@@ -0,0 +1,23 @@
+// Copyright © 2020 Brandon Li. All rights reserved.
+
+/**
+ * Build encapsulation that minifies, mangles, requirejs optimizes?, ...etc.
+ *
+ * @author Brandon Li <brandon.li820@gmail.com>
+ */
+
+module.exports = ( () => {
+  'use strict';
+
+  // modules
+  const terser = require( 'terser' );
+  const path = require( 'path' );
+  const Util = require( './Util' );
+
+  class Builder {
+
+
+  }
+
+  return Builder;
+} )();
\ No newline at end of file