diff --git a/common/models/NetworkPhoneT.php b/common/models/NetworkPhoneT.php
index 9bf2fbe..148b953 100644
--- a/common/models/NetworkPhoneT.php
+++ b/common/models/NetworkPhoneT.php
@@ -47,11 +47,11 @@ class NetworkPhoneT extends \yii\db\ActiveRecord
         return [
             [['id'], 'required'],
             [['id', 'ts', 'call_duration', 'bill_duration'], 'integer'],
-            [['corp_key'], 'string', 'max' => 225],
+            [['corp_key', 'extend'], 'string', 'max' => 225],
             [['sign', 'begin_time', 'connect_time', 'alerting_time', 'release_time', 'call_result', 'record_file_url'], 'string', 'max' => 255],
             [['recorder_id'], 'string', 'max' => 128],
             [['caller', 'called', 'caller_show', 'called_show', 'caller_area', 'called_area'], 'string', 'max' => 32],
-            [['call_cost', 'extend'], 'string', 'max' => 10],
+            [['call_cost'], 'string', 'max' => 10],
             [['id'], 'unique'],
         ];
     }