nginx 502
chrome 控制台显示
www.v2ex.com/:1 GET https://www.v2ex.com/ 502 ()
www.v2ex.com/:1 The SSL certificate used to load resources from https://www.v2ex.com will be distrusted in M70. Once distrusted, users will be prevented from loading these resources. See https://g.co/chrome/symantecpkicerts for more information. Navigated to https://www.v2ex.com/
已经禁用了所有浏览器插件。