diff --git a/console/controllers/TestController.php b/console/controllers/TestController.php
new file mode 100644
index 0000000..3919bd6
--- /dev/null
+++ b/console/controllers/TestController.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace console\controllers;
+
+use Yii;
+use yii\console\Controller;
+use yii\helpers\Console;
+
+/**
+ * Description of RbacsetController
+ *
+ * @author blobt
+ */
+class TestController extends Controller {
+
+    public function actionIndex() {
+        //Yii::$aa->security->generateRandomString(8);
+        $security = Yii::createObject("yii\base\Security");
+        $n = 0;
+        for ($i = 1; $i < 100000; $i++) {
+            //$key = $security->generateRandomString(8);
+            $key = rand(10000000, 99999999);
+            /*$key = strtolower($key);
+            $key = str_replace(['_', '-'], 'a', $key);*/
+            $ret[$key] += 1;
+        }
+
+        $this->stdout("duplicate data:\n", Console::FG_RED);
+        foreach ($ret as $k => $v) {
+            if ($v > 1) {
+                echo "$k $v\n";
+            }
+        }
+    }
+}
diff --git a/vendor/blobt/widgets/Select2.php b/vendor/blobt/widgets/Select2.php
index 4595806..1637f33 100644
--- a/vendor/blobt/widgets/Select2.php
+++ b/vendor/blobt/widgets/Select2.php
@@ -58,7 +58,6 @@ class Select2 extends InputWidget {
      * @throws \yii\base\InvalidConfigException
      */
     public function run() {
-        d($this->id);
         $this->registerAsset();
         $this->registerSelect2Js();
         return $this->renderSelect();
diff --git a/yii b/yii
new file mode 100755
index 0000000..b93b5cf
--- /dev/null
+++ b/yii
@@ -0,0 +1,24 @@
+#!/usr/bin/env php
+<?php
+/**
+ * Yii console bootstrap file.
+ */
+
+defined('YII_DEBUG') or define('YII_DEBUG', true);
+defined('YII_ENV') or define('YII_ENV', 'dev');
+
+require __DIR__ . '/vendor/autoload.php';
+require __DIR__ . '/vendor/yiisoft/yii2/Yii.php';
+require __DIR__ . '/common/config/bootstrap.php';
+require __DIR__ . '/console/config/bootstrap.php';
+
+$config = yii\helpers\ArrayHelper::merge(
+    require __DIR__ . '/common/config/main.php',
+    require __DIR__ . '/common/config/main-local.php',
+    require __DIR__ . '/console/config/main.php',
+    require __DIR__ . '/console/config/main-local.php'
+);
+
+$application = new yii\console\Application($config);
+$exitCode = $application->run();
+exit($exitCode);