<pre>

(dingdangmao) C:\Users\14573\Desktop\dingdangmao>python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).
March 14, 2020 - 14:15:48
Django version 3.0.4, using settings 'ddm.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Exception in thread django-main-thread:
Traceback (most recent call last):
File "D:\Python37\lib\threading.py", line 917, in _bootstrap_inner
self.run()
File "D:\Python37\lib\threading.py", line 865, in run
self._target(*self._args, **self._kwargs)
File "C:\Users\14573\Desktop\dingdangmao\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
fn(*args, **kwargs)
File "C:\Users\14573\Desktop\dingdangmao\lib\site-packages\django\core\management\commands\runserver.py", line 139, in inner_run
ipv6=self.use_ipv6, threading=threading, server_cls=self.server_cls)
File "C:\Users\14573\Desktop\dingdangmao\lib\site-packages\django\core\servers\basehttp.py", line 206, in run
httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
File "C:\Users\14573\Desktop\dingdangmao\lib\site-packages\django\core\servers\basehttp.py", line 67, in __init__
super().__init__(*args, **kwargs)
File "D:\Python37\lib\socketserver.py", line 449, in __init__
self.server_bind()
File "D:\Python37\lib\wsgiref\simple_server.py", line 50, in server_bind
HTTPServer.server_bind(self)
File "D:\Python37\lib\http\server.py", line 139, in server_bind
self.server_name = socket.getfqdn(host)
File "D:\Python37\lib\socket.py", line 676, in getfqdn
hostname, aliases, ipaddrs = gethostbyaddr(name)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd6 in position 0: invalid continuation byte

</pre>

这是我第一次运行runserver后出现的反馈，我里面还没有写app，想着能够出现你教程第一节的成功界面，但是浏览器无法进入那个本地localhost：8000，最后一行显示了错误内容，但是不知道怎么修改？希望您能给予帮助，非常感谢！