apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/PortalSettings.java/PortalSettings/HealthCheckTask
class PortalSettings:    public HealthCheckTask(ApplicationContext context) {
      healthAPI = context.getBean(AdminServiceAPI.HealthAPI.class);
      for (Env env : allEnvs) {
        healthCheckFailedCounter.put(env, 0);
      }
    }