Warning: mysqli::mysqli() [mysqli.mysqli]: [2002] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。 (trying to connect via tcp://39.109.11.247:3306) in D:\vhostroot\LocalUser\thebestoolcom\www\framework\engine\db\mysqli.php on line 41

Warning: mysqli::mysqli() [mysqli.mysqli]: (HY000/2002): 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。 in D:\vhostroot\LocalUser\thebestoolcom\www\framework\engine\db\mysqli.php on line 41

Warning: db_mysqli::debug() [db-mysqli.debug]: Couldn't fetch mysqli in D:\vhostroot\LocalUser\thebestoolcom\www\framework\engine\db\mysqli.php on line 451

Warning: db_mysqli::debug() [db-mysqli.debug]: Couldn't fetch mysqli in D:\vhostroot\LocalUser\thebestoolcom\www\framework\engine\db\mysqli.php on line 452
数据库连接失败，错误ID：2002，错误信息：
Warning: mysqli::close() [mysqli.close]: Couldn't fetch mysqli in D:\vhostroot\LocalUser\thebestoolcom\www\framework\engine\db\mysqli.php on line 95