ELK elasticsearch 索引类型错误，又有数据，怎么办，索引复制替换

1、创建索引A
PUT my_index
2、映射索引A内容
GET my_index/_mapping
{
}
3、复制
post  _reindex
{
  "source": {
    "index": "my_index"
  },
  "dest": {
    "index": "my_index_new",
    "op_type": "create"
  }
}