apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/repository/NamespaceRepository.java/NamespaceRepository/batchDelete
class NamespaceRepository:  @Modifying
  @Query("update Namespace set isdeleted=1,DataChange_LastModifiedBy = ?3 where appId=?1 and clusterName=?2")
  int batchDelete(String appId, String clusterName, String operator);