Elasticsearch 添加索引返回406

curl -XPUT localhost:9200/cu-XPUT localhost:9200/customer/_doc/1?pretty -d '{"name":"hedeqiang"}'

{
  "error" : "Content-Type header [application/x-www-form-urlencoded] is not supported",
  "status" : 406
}

curl -H "Content-Type: application/json" -XPUT localhost:9200/customer/_doc/1?pretty -d '{"name":"hedeqiang"}'

{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 1,
  "result" : "created",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 0,
  "_primary_term" : 1
}