apollo-configservice/src/main/java/com/ctrip/framework/apollo/configservice/util/InstanceConfigAuditUtil.java/InstanceConfigAuditModel/hashCode
class InstanceConfigAuditModel:    @Override
    public int hashCode() {
      return Objects.hash(appId, clusterName, dataCenter, ip, configAppId, configClusterName,
          configNamespace,
          releaseKey);
    }