Got error 28 from storage engine [ SQL语句 ] : SHOW COLUMNS FROM `tp_agent`

FILE: D:\wwwroot\weixin\Lib\Driver\Db\DbMysql.class.php 　LINE: 320

[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Driver\Db\DbMysql.class.php (320) trace(Got error 28 from storage engine
[ SQL语句 ] : SHOW COLUMNS FROM `tp_agent`, , ERR)
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Driver\Db\DbMysql.class.php (107) DbMysql->error()
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Driver\Db\DbMysql.class.php (215) DbMysql->query(SHOW COLUMNS FROM `tp_agent`)
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\Model.class.php (135) DbMysql->getFields(tp_agent)
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\Model.class.php (123) Model->flush()
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\Model.class.php (1156) Model->_checkTableInfo()
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\Model.class.php (98) Model->db(0, )
[23-06-10 18:53:06] D:\wwwroot\weixin\Common\common.php (333) Model->__construct(agent, , )
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\App.class.php (72) M(agent)
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\App.class.php (217) App::init()
[23-06-10 18:53:06] D:\wwwroot\weixin\Lib\Core\Think.class.php (39) App::run()
[23-06-10 18:53:06] D:\wwwroot\weixin\Common\runtime.php (243) Think::start()
[23-06-10 18:53:06] D:\wwwroot\weixin\index.php (37) require(D:\wwwroot\weixin\Common\runtime.php)