apt-get 出错，清大家看看

liuzwei

root@linux share]# apt-get install multiget
Reading Package Lists... Error!
E: Error occured while processing nmap (CollectFileProvides)
E: Problem with MergeFileProvides /var/lib/apt/lists/download.fedora.redhat.com_pub_fedora_linux_core_updates_5_x86%5f64_repodata_primary.xml
E: The package lists or status file could not be parsed or opened.


应该如何修复