老师您好！请问提示timeout咋办
warning: rpmts_HdrFromFdno: Header V3 RSA/SHA1 Signature, key ID 91fa4ad5: NOKEY
Retrieving key from https://www.mongodb.org/static/pgp/server-3.6.asc
GPG key retrieval failed: [Errno 12] Timeout on https://www.mongodb.org/static/pgp/server-3.6.asc: (28, 'connect() timed out!')
