关于运维。论坛系统登录时，若选中保存登录，则报错。

同时，注销也会出现同样的错误。我记录下了错误报告：

SQL Error (42S22, 1054): Unknown column 'rememberToken' in 'field list'

UPDATE et_member SET rememberToken=NULL #似乎问题出在这里，但是我具体不知道怎么解决，所以，求助于大家了……

WHERE (memberId='1')
The error occurred near /var/www/html/core/lib/ETDatabase.class.php:301

299: if (!$statement) {
300: $error = $connection->errorInfo();
301: throw new Exception("SQL Error (".$error[0].", ".$error[1]."): ".$error[2]."<br><br><pre>".$this->highlightQueryErrors($query, $error[2])."</pre>");
302: }
303:
Backtrace

ETDatabase->query() [/var/www/html/core/lib/ETSQLQuery.class.php:683]
ETSQLQuery->exec() [/var/www/html/core/lib/ETModel.class.php:82]
ETModel->update() [/var/www/html/core/models/ETMemberModel.class.php:125]
ETMemberModel->update() [/var/www/html/core/lib/ETModel.class.php:95]
ETModel->updateById() [/var/www/html/core/lib/ETSession.class.php:230]
ETSession->clearRememberToken() [/var/www/html/core/lib/ETSession.class.php:285]
ETSession->logout() [/var/www/html/core/controllers/ETUserController.class.php:122]
ETUserController->action_logout()
call_user_func_array() [/var/www/html/core/lib/ETController.class.php:181]
ETController->dispatch() [/var/www/html/core/bootstrap.php:326]
require() [/var/www/html/index.php:19]