diff --git a/src/Linna/DI/DIResolver.php b/src/Linna/DI/DIResolver.php
index 7c50eda1..8a9c14df 100644
--- a/src/Linna/DI/DIResolver.php
+++ b/src/Linna/DI/DIResolver.php
@@ -61,13 +61,13 @@ public function rules(array $rules)
     public function resolve(string $class, array $rules = [])
     {
         $this->rules = array_merge($this->rules, $rules);
-        
-        $class = (strpos($class, '\\') !== 0) ? '\\' . $class : $class;
-        
+
+        $class = (strpos($class, '\\') !== 0) ? '\\'.$class : $class;
+
         $this->buildTree($class);
-        
+
         $this->buildObjects();
-        
+
         return $this->cache[$class] ?? null;
     }
 
@@ -153,7 +153,7 @@ private function buildTree(string $class)
     private function buildObjects()
     {
         //deep dependency level, start to array end for not use array_reverse
-        for($i = count($this->dependencyTree) - 1; $i >= 0; $i--) {
+        for ($i = count($this->dependencyTree) - 1; $i >= 0; $i--) {
 
             //class
             foreach ($this->dependencyTree[$i] as $class => $dependency) {
diff --git a/src/Linna/Http/FrontController.php b/src/Linna/Http/FrontController.php
index 210fcd3d..40271f84 100644
--- a/src/Linna/Http/FrontController.php
+++ b/src/Linna/Http/FrontController.php
@@ -39,17 +39,17 @@ class FrontController
      * @var object Contain controller object
      */
     private $route;
-    
+
     /**
      * @var string Contain Controller and View action name
      */
     private $routeAction;
-    
+
     /**
      * @var array Paremeter passed to Controller
      */
     private $routeParam;
-    
+
     /**
      * Constructor.
      *
@@ -61,10 +61,10 @@ class FrontController
     public function __construct(RouteInterface $route, Model $model, View $view, Controller $controller)
     {
         $this->route = $route;
-        
+
         $this->routeAction = $route->getAction();
         $this->routeParam = $route->getParam();
-        
+
         $this->model = $model;
         $this->view = $view;
         $this->controller = $controller;
@@ -80,22 +80,22 @@ public function run()
 
         //run action before controller
         $this->beforeAfterControllerAction('before');
-        
+
         //run controller
         $this->runController();
 
         //run action after controller
         $this->beforeAfterControllerAction('after');
-        
+
         //notify model changes to view
         $this->model->notify();
 
         //run view
         $this->runView();
     }
-    
+
     /**
-     * Run action before or after controller execution
+     * Run action before or after controller execution.
      */
     private function beforeAfterControllerAction(string $when)
     {
@@ -103,15 +103,14 @@ private function beforeAfterControllerAction(string $when)
         if (method_exists($this->controller, $when)) {
             $this->controller->before();
         }
-        
+
         $actionMethod = $when.ucfirst($this->routeAction);
-        
-        if (method_exists($this->controller, $actionMethod) && $actionMethod !== $when)
-        {
+
+        if (method_exists($this->controller, $actionMethod) && $actionMethod !== $when) {
             call_user_func([$this->controller, $actionMethod]);
         }
     }
-        
+
     /**
      * Run controller.
      */
@@ -124,6 +123,7 @@ private function runController()
         //action - call controller passing params
         if (count($routeParam) > 0 && $routeAction !== '') {
             call_user_func_array([$this->controller, $routeAction], $routeParam);
+
             return;
         }
 
diff --git a/tests/FOO/FOOController.php b/tests/FOO/FOOController.php
index 0ffe0ef4..7d74a2e7 100644
--- a/tests/FOO/FOOController.php
+++ b/tests/FOO/FOOController.php
@@ -19,12 +19,12 @@ public function __construct(FOOModel $model)
     {
         parent::__construct($model);
     }
-    
+
     public function modifyData()
     {
         $this->model->modifyData();
     }
-    
+
     public function modifyDataFromParam($passedData)
     {
         $this->model->modifyDataFromParam($passedData);
diff --git a/tests/FOO/FOOControllerBeforeAfter.php b/tests/FOO/FOOControllerBeforeAfter.php
index 47c5ae7c..8311aa1e 100644
--- a/tests/FOO/FOOControllerBeforeAfter.php
+++ b/tests/FOO/FOOControllerBeforeAfter.php
@@ -24,7 +24,7 @@ public function beforeModifyDataTimed()
     {
         $this->model->addToData('before');
     }
-    
+
     public function modifyDataTimed()
     {
         $this->model->modifyDataTimed();
@@ -34,7 +34,7 @@ public function afterModifyDataTimed()
     {
         $this->model->addToData('after');
     }
-    
+
     public function before()
     {
         //do nothing
diff --git a/tests/FOO/FOOModel.php b/tests/FOO/FOOModel.php
index 424c776b..55615add 100644
--- a/tests/FOO/FOOModel.php
+++ b/tests/FOO/FOOModel.php
@@ -22,20 +22,20 @@ public function __construct()
 
     public function addToData(string $when)
     {
-        if (!isset($this->getUpdate['data']))
-        {
+        if (!isset($this->getUpdate['data'])) {
             $this->getUpdate = ['data' => 100];
+
             return;
         }
-        
+
         $this->getUpdate['data'] += 3;
     }
-    
+
     public function modifyDataTimed()
     {
         $this->getUpdate['data'] += 20;
     }
-    
+
     public function modifyData()
     {
         $this->getUpdate = ['data' => 1234];
diff --git a/tests/FOO/FOOView.php b/tests/FOO/FOOView.php
index 148cfa74..2bcfbb64 100644
--- a/tests/FOO/FOOView.php
+++ b/tests/FOO/FOOView.php
@@ -33,7 +33,7 @@ public function modifyData()
     {
         //$this->template = $this->htmlTemplate;
     }
-    
+
     public function modifyDataTimed()
     {
         //$this->template = $this->htmlTemplate;
diff --git a/tests/Http/FrontControllerTest.php b/tests/Http/FrontControllerTest.php
index cecfb0f3..9dd43c27 100644
--- a/tests/Http/FrontControllerTest.php
+++ b/tests/Http/FrontControllerTest.php
@@ -23,7 +23,7 @@ class FrontControllerTest extends TestCase
     protected $routes;
 
     protected $router;
-    
+
     public function setUp()
     {
         $routes = [];
@@ -37,7 +37,7 @@ public function setUp()
             'controller' => 'FOOController',
             'action'     => '',
         ];
-        
+
         $routes[] = [
             'name'       => 'Foo',
             'method'     => 'GET',
@@ -47,7 +47,7 @@ public function setUp()
             'controller' => 'FOOController',
             'action'     => '',
         ];
-        
+
         $routes[] = [
             'name'       => 'Foo',
             'method'     => 'GET',
@@ -57,8 +57,8 @@ public function setUp()
             'controller' => 'FOOController',
             'action'     => '',
         ];
-        
-         $routes[] = [
+
+        $routes[] = [
             'name'       => 'Foo',
             'method'     => 'GET',
             'url'        => '/Foo/(modifyDataTimed)',
@@ -67,7 +67,7 @@ public function setUp()
             'controller' => 'FOOControllerBeforeAfter',
             'action'     => '',
         ];
-         
+
         //start router
         $this->router = new Router($routes, [
             'basePath'    => '/',
@@ -193,8 +193,8 @@ public function testModelDetach()
         $this->assertInstanceOf(stdClass::class, $test);
         $this->assertEquals(false, isset($test->data));
     }
-    
-     /**
+
+    /**
      * @depends testNewFrontController
      */
     public function testRunFrontControllerWithActions()
@@ -217,9 +217,9 @@ public function testRunFrontControllerWithActions()
         $FrontController->response();
 
         $test = json_decode(ob_get_contents());
-        
+
         var_dump($test);
-        
+
         ob_end_clean();
 
         $this->assertInstanceOf(stdClass::class, $test);