add defaule value

common/models/Ad.php

@@ -100,17 +100,17 @@ class Ad extends \common\components\ActiveRecord
             'CREATE_ADMIN' => [
                 'label' => '创建人',
                 'type' => function($data){
-                    $value = $data['value'];
+                    $value = is_array($data) && isset($data['value']) ? $data['value'] : '';
                     $result = Admin::findOneAsArray('ID=:ID', [':ID'=>$value], 'ADMIN_NAME');
-                    return $result['ADMIN_NAME'];
+                    return !empty($result) ? $result['ADMIN_NAME'] : '';
                 },
             ],
             'UPDATE_ADMIN' => [
                 'label' => '修改人',
                 'type' => function($data){
-                    $value = $data['value'];
+                    $value = is_array($data) && isset($data['value']) ? $data['value'] : '';
                     $result = Admin::findOneAsArray('ID=:ID', [':ID'=>$value], 'ADMIN_NAME');
-                    return $result['ADMIN_NAME'];
+                    return !empty($result) ? $result['ADMIN_NAME'] : '';
                 },
             ],
             'CREATED_AT' => [