curl -H "Content-Type:application/json" -XPOST -u elastic 'http://ljxwtl.cn:9200/_xpack/security/user/elastic/_password' -d '{ "password" : "123456" }'

curl -H "Content-Type:application/json" -XPOST -u elastic 'http://ljxwtl.cn:9200/_xpack/security/user/elastic/_password' -d '{ "password" : "123456" }'