<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
		</dependency>

@ConditionalOnProperty(name = "app.host.abcurl")
@FeignClient(value = "demo-service", url = "${app.host.abcurl}" ,fallback = DemoServiceFallbackImpl .class)
public interface DemoService {
    @GetMapping("/v1/api/getCateData")
    ApiResponse<Page<Object>> getCateData(@RequestParam Map<String,String> params);
    @GetMapping("/v1/api/getProductData")
    ApiResponse<Page<Detail>> getProductData(@RequestParam Map<String,String> params);
}

@Slf4j
@Component
public class DemoServiceFallbackImpl implements DemoService {
    @Override
    public ApiResponse<Page<Object>> getCateData (Map<String, String> params) {
        log.warn("DemoServiceFallbackImpl getCateData fail");
        return null;
    }
    @Override
    public ApiResponse<Page<Detail>> getProductData(Map<String, String> params) {
        log.warn("DemoServiceFallbackImpl getProductData fail");
        return null;
    }
}

feign:
  httpclient:
    enabled: true
  hystrix:
    enabled: true
hystrix:
  command:
    default:
      execution:
        timeout:
          enabled: true
        isolation:
          thread:
            timeoutInMilliseconds: 1000 //該配置需要比ribbon超時時間長
      circuitBreaker:
        requestVolumeThreshold: 1000
  threadpool:
    default:
      coreSize: 60
      maxQueueSize: 200
      queueSizeRejectionThreshold: 200
ribbon:
  ReadTimeout: 500
  ConnectTimeout: 500
  ExecTimeout: 500
  MaxAutoRetries: 1 //最好設置超時重試