No handler found for uri [/en-wikipedia] and method [POST]"}, status 400}}

[betterylb]

I use elastcsearch 5.5.2, this problem show when program create index, and I search it in google, it said "In the ElasticSearch 5.0+, they do not allow create index with POST method". Maybe it is because the program use POST to create index.How can I fix this problem？