add new fields

common/models/Company.php

@@ -3,6 +3,8 @@
 namespace common\models;
 
 use Yii;
+use yii\behaviors\TimestampBehavior;
+use yii\db\Expression;
 
 /**
  * This is the model class for table "company".
@@ -27,6 +29,18 @@ class Company extends \yii\db\ActiveRecord
         return 'company';
     }
 
+    public function behaviors()
+    {
+        return [
+            [
+                'class' => TimestampBehavior::class,
+                'createdAtAttribute' => 'created_at',
+                'updatedAtAttribute' => 'updated_at',
+                'value' => new Expression('NOW()'),
+            ],
+        ];
+    }
+
     /**
      * {@inheritdoc}
      */