GPG key retrieval failed: [Errno 14] HTTP Error 404: Not Found

在yum install时报错，如下：

warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID e8562897

GPG key retrieval failed: [Errno 14] HTTP Error 404: Not Found

报这个错是因为修改了yum源的原因，需要重新import GPG-KEY，

rpm -import