Too many connections

FILE: /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Db.class.php 　LINE: 162

[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Db.class.php (162) DbMysql->connect()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (94) Db->initConnect()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (213) DbMysql->query(SHOW COLUMNS FROM `diycms_site_list`)
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Model.class.php (135) DbMysql->getFields(diycms_site_list)
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Model.class.php (123) Model->flush()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Model.class.php (1175) Model->_checkTableInfo()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Model.class.php (98) Model->db(0, )
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Common/common.php (452) Model->__construct(diycms_site_list, , )
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/App.class.php (63) M(diycms_site_list)
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/App.class.php (235) App::init()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Lib/Core/Think.class.php (39) App::run()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Common/runtime.php (242) Think::start()
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/ThinkPHP.php (43) require(/mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/Common/runtime.php)
[26-07-28 15:19:07] /mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/index.php (48) require(/mnt/hgfs/gxwz2023/xhtu_Sp5Yaj/ThinkPHP/ThinkPHP.php)