filebeat直接写数据到es，如何指定索引类型？

es版本是6.2.3，创建索引的时候指定的索引类型是query，但通过filebeat上报默认只能是doc，试了指定_type，document_type都不行，都报错说不能有2个类型：{"type":"illegal_argument_exception","reason":"Rejecting mapping update to [xxx_index] as the final mapping would have more than 1 type: [query, doc]"}