新手问下SSL失败，日志如下

goblin

2018-01-13 21:15:56,678EBUG:certbot.main:certbot version: 0.20.0
2018-01-13 21:15:56,678EBUG:certbot.main:Arguments: ['--disable-hook-validation', '--renew-hook', '/etc/init.d/nginx reload']
2018-01-13 21:15:56,679EBUG:certbot.mainiscovered plugins: PluginsRegistry(PluginEntryPoint#apache,PluginEntryPoint#manual,PluginEntryPoint#nginx,PluginEntryPoint#null,PluginEntryPoint#standalone,PluginEntryPoint#webroot)
2018-01-13 21:15:56,703EBUG:certbot.log:Root logging level set at 20
2018-01-13 21:15:56,703:INFO:certbot.log:Saving debug log to /var/log/letsencrypt/letsencrypt.log
2018-01-13 21:15:56,704EBUG:certbot.renewal:no renewal failures

如何解决啊

licess

没有具体错误信息没法说，按前面的提示提供letsencrypt.log