feign.FeignException: status 404 reading ***

今天写代码的时候，遇到一个问题

{"timestamp":"2019-11-18 16:09:58","status":404,"error":"Not Found","message":"No message available","path":"/ExamCriticalParamApi/getCriticalParams"}] with root cause

feign.FeignException: status 404 reading ExamCriticalParamApi#getCriticalParams(Long); content:
{"timestamp":"2019-11-18 16:09:58","status":404,"error":"Not Found","message":"No message available","path":"/ExamCriticalParamApi/getCriticalParams"}