Refactor

modules/admin/Module.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace app\modules\admin;
+
+use Yii;
+
+/**
+ * admin module definition class
+ */
+class Module extends \yii\base\Module
+{
+    /**
+     * @inheritdoc
+     */
+    public $controllerNamespace = 'app\modules\admin\controllers';
+
+    /**
+     * @inheritdoc
+     */
+    public function init()
+    {
+        parent::init();
+
+        Yii::$app->view->params['breadcrumbs'][] = ['label' => 'Админпанель', 'url' => ['/admin/default/index']];
+    }
+}