diff --git a/CHANGELOG.md b/CHANGELOG.md
index 291bbb1..d8c4122 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ CHANGELOG
 v1.2
 ---------------------
 * NEW: Bootstrap4 Themes support.
+* NEW: RouteAccessControl filter autoCreatePermission option in debug mode.
 
 v1.1.3
 ---------------------
diff --git a/src/Module.php b/src/Module.php
index 8c006d1..a513cbc 100755
--- a/src/Module.php
+++ b/src/Module.php
@@ -5,12 +5,10 @@
 
 class Module extends \yii\base\Module
 {
-
 	public $defaultRoute = 'permissions/index';
 
 	public function init()
 	{
 		parent::init();
 	}
-
 }
diff --git a/src/filters/RouteAccessControl.php b/src/filters/RouteAccessControl.php
index 1d22153..355692d 100755
--- a/src/filters/RouteAccessControl.php
+++ b/src/filters/RouteAccessControl.php
@@ -26,6 +26,13 @@ class RouteAccessControl extends ActionFilter
 	 */
 	public $allowRegexp = '/^(site)\//i';
 
+	/**
+	 * Creates controller/action permission automatically if they are missing in debug mode
+	 *
+	 * @var bool
+	 */
+	public $autoCreatePermissions = true;
+
 	/**
 	 * RouteAccessControl constructor.
 	 *
@@ -67,6 +74,7 @@ public function beforeAction($action)
 		) {
 			$allow = true;
 		} else {
+			$this->autoCreatePermissions($action_rule, $controller_rule);
 			$allow = Yii::$app->user->can($action_rule);
 		}
 
@@ -87,4 +95,31 @@ public function denyAccess()
 	{
 		throw new ForbiddenHttpException('You are not allowed to perform this action.');
 	}
-}
\ No newline at end of file
+
+	/**
+	 * Auto Create Permissions
+	 * in debug mode create permissions automatically and assign them to master.
+	 *
+	 * @param string $action_rule
+	 * @param string $controller_rule
+	 */
+	protected function autoCreatePermissions($action_rule, $controller_rule)
+	{
+		if (! YII_DEBUG && $this->autoCreatePermissions) {
+			return;
+		}
+		
+		$auth = \Yii::$app->authManager;
+		if (! $auth->getPermission($action_rule)) {
+			$perm = $auth->createPermission($action_rule);
+			$perm->description = 'Route ' . $action_rule;
+			$auth->add($perm);
+			
+			if (! $auth->getPermission($controller_rule)) {
+				$perm = $auth->createPermission($controller_rule);
+				$perm->description = 'Route ' . $controller_rule;
+				$auth->add($perm);
+			}
+		}
+	}
+}