fc5 yum升级出现错误

hbj0331

Traceback (most recent call last):
File "/usr/bin/yum", line 29, in ?
  yummain.main(sys.argv[1:])
File "/usr/share/yum-cli/yummain.py", line 80, in main
  base.getOptionsConfig(args)
File "/usr/share/yum-cli/cli.py", line 177, in getOptionsConfig
  self.doConfigSetup(fn=opts.conffile, root=root)
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 104, in doConfigSetup
  self.getReposFromConfig()
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 135, in getReposFromConfig
  parser.read(files)
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 225, in read
  IncludingConfigParser.read(self,filename)
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 126, in read
  ConfigParser.read(self,filename)
File "/usr/lib/python2.4/ConfigParser.py", line 267, in read
  self._read(fp, filename)
File "/usr/lib/python2.4/ConfigParser.py", line 490, in _read
  raise e
ConfigParser.ParsingError: File contains parsing errors: ///etc/yum.repos.d/fedora-core-ChinaTelecom.repo
    [line 4]: '/\n'
[root@localhost haibo]# yum list updates
Traceback (most recent call last):
File "/usr/bin/yum", line 29, in ?
  yummain.main(sys.argv[1:])
File "/usr/share/yum-cli/yummain.py", line 80, in main
  base.getOptionsConfig(args)
File "/usr/share/yum-cli/cli.py", line 177, in getOptionsConfig
  self.doConfigSetup(fn=opts.conffile, root=root)
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 104, in doConfigSetup
  self.getReposFromConfig()
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 135, in getReposFromConfig
  parser.read(files)
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 225, in read
  IncludingConfigParser.read(self,filename)
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 126, in read
  ConfigParser.read(self,filename)
File "/usr/lib/python2.4/ConfigParser.py", line 267, in read
  self._read(fp, filename)
File "/usr/lib/python2.4/ConfigParser.py", line 490, in _read
  raise e
ConfigParser.ParsingError: File contains parsing errors: ///etc/yum.repos.d/fedora-core-ChinaTelecom.repo
    [line 4]: '/\n'
[root@localhost jihaibo]# yum
Traceback (most recent call last):
File "/usr/bin/yum", line 29, in ?
  yummain.main(sys.argv[1:])
File "/usr/share/yum-cli/yummain.py", line 80, in main
  base.getOptionsConfig(args)
File "/usr/share/yum-cli/cli.py", line 177, in getOptionsConfig
  self.doConfigSetup(fn=opts.conffile, root=root)
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 104, in doConfigSetup
  self.getReposFromConfig()
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 135, in getReposFromConfig
  parser.read(files)
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 225, in read
  IncludingConfigParser.read(self,filename)
File "/usr/lib/python2.4/site-packages/yum/parser.py", line 126, in read
  ConfigParser.read(self,filename)
File "/usr/lib/python2.4/ConfigParser.py", line 267, in read
  self._read(fp, filename)
File "/usr/lib/python2.4/ConfigParser.py", line 490, in _read
  raise e
ConfigParser.ParsingError: File contains parsing errors: ///etc/yum.repos.d/fedora-core-ChinaTelecom.repo
    [line 4]: '/\n'

使用yum出现如上错误怎么回事？