请问我尝试更改企业微信通讯录成员信息来触发回调，为何一次编辑资料操作，会访问回调两次甚至三次呢，将本来一次更新的 N 个字段，分为两次甚至三次更新这是什么意思呢？

$this->app->server->push(function ($message) {
    file_put_contents('root.txt', var_export($message, true), FILE_APPEND);
});
// 得到如下结果，为何一次更新操作会触发多次回调和，分为多次更新的呢？
array (
  'ToUserName' => 'xxx',
  'FromUserName' => 'sys',
  'CreateTime' => '1629287731',
  'MsgType' => 'event',
  'Event' => 'change_contact',
  'ChangeType' => 'update_user',
  'UserID' => 'liwenfeng-18234445666',
  'Email' => '333@9999.com',
)array (
  'ToUserName' => 'xxx',
  'FromUserName' => 'sys',
  'CreateTime' => '1629287731',
  'MsgType' => 'event',
  'Event' => 'change_contact',
  'ChangeType' => 'update_user',
  'UserID' => 'liwenfeng-18234445666',
  'Position' => '555',
  'Telephone' => '222',
  'Address' => '444',
)