diff --git a/app/helpers.php b/app/helpers.php
index e715f2ab..60f37bcd 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -305,11 +305,6 @@ if (! function_exists('runtime_check')) {
 
     function runtime_check(array $requirements)
     {
-        // check php version
-        if (version_compare(PHP_VERSION, $requirements['php'], '<')) {
-            exit("[Error] Blessing Skin Server needs PHP version >= {$requirements['php']}, you are now using ".PHP_VERSION);
-        }
-
         foreach ($requirements['extensions'] as $extension) {
             if (!extension_loaded($extension)) {
                 exit("[Error] You have not installed the $extension extension");
diff --git a/bootstrap/autoload.php b/bootstrap/autoload.php
index c54c842d..38301379 100644
--- a/bootstrap/autoload.php
+++ b/bootstrap/autoload.php
@@ -2,8 +2,6 @@
 
 define('LARAVEL_START', microtime(true));
 
-ini_set('display_errors', 'on');
-
 /*
 |--------------------------------------------------------------------------
 | Register The Composer Auto Loader
diff --git a/gulpfile.js b/gulpfile.js
index c60414ea..9f1f1fce 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -2,7 +2,7 @@
 * @Author: prpr
 * @Date:   2016-07-21 13:38:26
 * @Last Modified by:   printempw
-* @Last Modified time: 2016-12-10 20:22:13
+* @Last Modified time: 2016-12-17 20:36:36
 */
 
 var gulp     = require('gulp'),
@@ -100,6 +100,7 @@ gulp.task('zip', function() {
     del([
         'storage/logs/*',
         'storage/debugbar/*',
+        'storage/update_cache/*',
         'storage/yaml-translation/*',
         'storage/framework/cache/*',
         'storage/framework/sessions/*',
diff --git a/index.php b/index.php
index 1de66879..5dcb0767 100755
--- a/index.php
+++ b/index.php
@@ -7,13 +7,19 @@
  * @author   printempw <h@prinzeugen.net>
  */
 
+@ini_set('display_errors', 'on');
+
+// check PHP version
+if (version_compare(PHP_VERSION, '5.5.9', '<')) {
+    exit('[Error] Blessing Skin Server needs PHP version >= 5.5.9, you are now using '.PHP_VERSION);
+}
+
 require __DIR__.'/bootstrap/autoload.php';
 
 // check the runtime environment
-runtime_check([
-    'php' => '5.5.9',
-    'extensions' => ['pdo_mysql', 'openssl', 'gd']
-]);
+runtime_check(array(
+    'extensions' => array('pdo_mysql', 'openssl', 'gd')
+));
 
 // handle the request
 require __DIR__.'/bootstrap/handler.php';