Docker Elasticsearch head报错，查不出数据创建不了索引

错误信息

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

1.进入head容器 docker exec -it head bash

2.进入_site目录 cd _site

3.编辑vendor.js文件 vim vendor.js

4.修改内容，一共两处

①. 6886行   contentType: "application/x-www-form-urlencoded

改成

contentType: "application/json;charset=UTF-8"

②. 7574行 var inspectData = s.contentType === "application/x-www-form-urlencoded" &&

改成

var inspectData = s.contentType === "application/json;charset=UTF-8" &&