resttemplate

RestTemplate restTemplate = new RestTemplate();

UriComponentsBuilder builder = UriComponentsBuilder
        .fromHttpUrl("http://localhost:8088/ba/management-report/overview")
        .queryParam("time_range", "month");

// OverviewVO[] data = restTemplate.getForObject(builder.build().encode().toUri(), OverviewVO[].class);

return restTemplate.getForObject(builder.build().encode().toUri(), Map.class);