查看代理服务器日志：
2024/01/16 15:13:46 [error] 1074287#0: *1090496 upstream prematurely closed connection while reading response header from upstream, client: 222.210.61.73, server: www.我的网站.com, request: ＂GET / HTTP/2.0＂, upstream: ＂https://源站服务器ip:443/＂, host: ＂www.我的网站.com＂, referrer: ＂https://www.111.top/＂
2024/01/16 15:13:50 [error] 1074287#0: *1090496 upstream prematurely closed connection while reading response header from upstream, client: 222.210.61.73, server: www.我的网站.com, request: ＂GET / HTTP/2.0＂, upstream: ＂源站服务器ip:443/＂, host: ＂www.我的网站.com＂, referrer: ＂https://www.111.top/＂
2024/01/16 15:13:55 [error] 1074287#0: *1090496 upstream prematurely closed connection while reading response header from upstream, client: 222.210.61.73, server: www.我的网站.com, request: ＂GET / HTTP/2.0＂, upstream: ＂源站服务器ip:443/＂, host: ＂www.我的网站.com＂, referrer: ＂https://www.111.top/＂然后去查看源站服务器日志
代理服务器ip – – [16/Jan/2024:15:13:55 +0800] ＂GET / HTTP/1.0＂ 444 0 ＂https://www.111.top/＂ ＂Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1＂
过了一会又自动好了。后面查看原因吧
