我的是集群已经建好了的。。。我在主机里面可以加新的索引，不过用postman会报错

{

    "error": {

        "root_cause": [

            {

                "type": "remote_transport_exception",

                "reason": "[node-2][172.20.0.14:9300][indices:admin/create]"

            }

        ],

        "type": "illegal_argument_exception",

        "reason": "unknown setting [index.bumber_of_replicas] did you mean [index.number_of_replicas]?"

    },

    "status": 400

}