imooc:PRIMARY> rs.reconfig(config)

{

"operationTime" : Timestamp(1539831832, 1),

"ok" : 0,

"errmsg" : "Support for replication protocol version 0 was removed in MongoDB 4.0. Downgrade to MongoDB version 3.6 and upgrade your protocol version to 1 before upgrading your MongoDB version",

"code" : 103,

"codeName" : "NewReplicaSetConfigurationIncompatible",

"$clusterTime" : {

"clusterTime" : Timestamp(1539831832, 1),

"signature" : {

"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),

"keyId" : NumberLong(0)

}

}

}

imooc:PRIMARY> 

  这个应该怎么解决