apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/service/ReleaseService.java/ReleaseService/batchDelete
class ReleaseService:  @Transactional
  public int batchDelete(String appId, String clusterName, String namespaceName, String operator) {
    return releaseRepository.batchDelete(appId, clusterName, namespaceName, operator);
  }