reward-for-typecho 启用插件报错

显示“Database Query Error”，怎么处理呀，提示信息

SQLSTATE[HY000]: General error: 1294 Invalid ON UPDATE clause for 'notify_time' column Typecho_Db_Query_Exception: SQLSTATE[HY000]: General error: 1294 Invalid ON UPDATE clause for 'notify_time' column in /www/wwwroot/xxx.com/var/Typecho/Db/Adapter/Pdo.php:105 Stack trace: #0 /www/wwwroot/xxx.com/var/Typecho/Db.php(354): Typecho_Db_Adapter_Pdo->query('CREATE TABLE t...', Object(PDO), 2, 'SELECT') #1 /www/wwwroot/xxx.com/usr/plugins/Reward/Plugin.php(36): Typecho_Db->query('CREATE TABLE t...', 2) #2 /www/wwwroot/xxx.com/var/Widget/Plugins/Edit.php(102): Reward_Plugin::activate() #3 /www/wwwroot/xxx.com/var/Widget/Plugins/Edit.php(308): Widget_Plugins_Edit->activate('Reward') #4 /www/wwwroot/xxx.com/var/Widget/Do.php(82): Widget_Plugins_Edit->action() #5 /www/wwwroot/xxx.com/var/Typecho/Widget.php(221): Widget_Do->execute() #6 /www/wwwroot/xxx.com/var/Typecho/Router.php(135): Typecho_Widget::widget('Widget_Do', NULL, Array) #7 /www/wwwroot/xxx.com/index.php(23): Typecho_Router::dispatch() #8 {main}