index.query.default_field 可以设置默认搜索的字段。详细参考https://stackoverflow.com/questions/10518404/in-elasticsearch-should-we-use-default-field-in-query-string-for-ngram-analyzerh
index.query.default_field 可以设置默认搜索的字段。详细参考https://stackoverflow.com/questions/10518404/in-elasticsearch-should-we-use-default-field-in-query-string-for-ngram-analyzerh