问一个关于 https 证书的 certbot 的问题

根据官网教程 https://certbot.eff.org/lets-encrypt/ubuntuxenial-nginx 安装必须软件后

执行 $ sudo certbot --nginx 后报错：

Saving debug log to /var/log/letsencrypt/letsencrypt.log An unexpected error occurred: UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 44: ordinal not in range(128) Please see the logfiles in /var/log/letsencrypt for more details. 

报错文件的内容是：

2018-03-17 13:06:34,407:DEBUG:certbot.main:certbot version: 0.21.1 2018-03-17 13:06:34,408:DEBUG:certbot.main:Arguments: [] 2018-03-17 13:06:34,408:DEBUG:certbot.main:Discovered plugins: PluginsRegistry(PluginEntryPoint#manual,PluginEntryPoint#nginx,PluginEntryPoint#null,PluginEntryPoint#standalone,PluginEntryPoint#webroot) 2018-03-17 13:06:34,417:DEBUG:certbot.log:Root logging level set at 20 2018-03-17 13:06:34,418:INFO:certbot.log:Saving debug log to /var/log/letsencrypt/letsencrypt.log 2018-03-17 13:06:34,419:DEBUG:certbot.plugins.selection:Requested authenticator None and installer None 2018-03-17 13:06:34,731:DEBUG:certbot.log:Exiting abnormally: Traceback (most recent call last): File "/usr/bin/certbot", line 11, in <module> load_entry_point('certbot==0.21.1', 'console_scripts', 'certbot')() File "/usr/lib/python3/dist-packages/certbot/main.py", line 1240, in main return config.func(config, plugins) File "/usr/lib/python3/dist-packages/certbot/main.py", line 1099, in certonly installer, auth = plug_sel.choose_configurator_plugins(config, plugins, "certonly") File "/usr/lib/python3/dist-packages/certbot/plugins/selection.py", line 194, in choose_configurator_plugins authenticator = pick_authenticator(config, req_auth, plugins) File "/usr/lib/python3/dist-packages/certbot/plugins/selection.py", line 40, in pick_authenticator config, default, plugins, question, (interfaces.IAuthenticator,)) File "/usr/lib/python3/dist-packages/certbot/plugins/selection.py", line 77, in pick_plugin verified.prepare() File "/usr/lib/python3/dist-packages/certbot/plugins/disco.py", line 248, in prepare return [plugin_ep.prepare() for plugin_ep in six.itervalues(self._plugins)] File "/usr/lib/python3/dist-packages/certbot/plugins/disco.py", line 248, in <listcomp> return [plugin_ep.prepare() for plugin_ep in six.itervalues(self._plugins)] File "/usr/lib/python3/dist-packages/certbot/plugins/disco.py", line 130, in prepare self._initialized.prepare() File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line 131, in prepare self.parser = parser.NginxParser(self.conf('server-root')) File "/usr/lib/python3/dist-packages/certbot_nginx/parser.py", line 38, in __init__ self.load() File "/usr/lib/python3/dist-packages/certbot_nginx/parser.py", line 45, in load self._parse_recursively(self.config_root) File "/usr/lib/python3/dist-packages/certbot_nginx/parser.py", line 66, in _parse_recursively self._parse_recursively(subentry[1]) File "/usr/lib/python3/dist-packages/certbot_nginx/parser.py", line 56, in _parse_recursively trees = self._parse_files(filepath) File "/usr/lib/python3/dist-packages/certbot_nginx/parser.py", line 206, in _parse_files parsed = nginxparser.load(_file) File "/usr/lib/python3/dist-packages/certbot_nginx/nginxparser.py", line 123, in load return loads(_file.read()) File "/usr/lib/python3.5/encodings/ascii.py", line 26, in decode return codecs.ascii_decode(input, self.errors)[0] UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 44: ordinal not in range(128) 

服务器是 ubuntu 16.04 nginx