联系我们 / Contact Us

如对 knowhy.net 的收录、链接或内容有建议、纠错，或发现某个链接失效、指向错误，请发送邮件至：

请在邮件中写明相关页面与链接，我们会视情况核实处理。本网站不设账号与站内私信，邮件是唯一的联系渠道。

If you have a suggestion or correction about a listing, link, or page on knowhy.net, or find a broken or wrong link, please email:

Please include the relevant page and link so we can verify it. This site has no accounts or on-site messaging; email is the only contact channel.