安装ros后roscore出现问题

嗯哼

roscore
... logging to /home/xzy/.ros/log/30dad5c0-9e39-11ee-93ea-00155d5f7a69/roslaunch-嗯哼的拯救者-1799.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

Traceback (most recent call last):
File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/init.py", line 347, in main
p.start()
File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/parent.py", line 305, in start
self._start_infrastructure()
File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/parent.py", line 263, in _start_infrastructure
self._start_server()
File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/parent.py", line 212, in _start_server
self.server.start()
File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/server.py", line 386, in start
code, msg, val = ServerProxy(self.uri).get_pid()
File "/usr/lib/python2.7/xmlrpclib.py", line 1243, in call
return self.__send(self.__name, args)
File "/usr/lib/python2.7/xmlrpclib.py", line 1602, in __request
verbose=self.__verbose
File "/usr/lib/python2.7/xmlrpclib.py", line 1283, in request
return self.single_request(host, handler, request_body, verbose)
File "/usr/lib/python2.7/xmlrpclib.py", line 1303, in single_request
h = self.make_connection(host)
File "/usr/lib/python2.7/xmlrpclib.py", line 1389, in make_connection
self._connection = host, httplib.HTTPConnection(chost)
File "/usr/lib/python2.7/httplib.py", line 752, in init
self._validate_host(self.host)
File "/usr/lib/python2.7/httplib.py", line 1060, in _validate_host
raise InvalidURL(msg)
InvalidURL: URL can't contain control characters. '\xe5\x97\xaf\xe5\x93\xbc\xe7\x9a\x84\xe6\x8b\xaf\xe6\x95\x91\xe8\x80\x85' (found at least '\xe5'):

嗯哼

安装完之后想删除也删不掉 roscore也报错