EAS客户端无法正常更新

现客户碰到EAS客户端无法正常更新，excel文件无法下载，请问如何解决？

File: deploy/client/ctrlhome/client/filesmap/customer/商机级别对照.xlsFile: deploy/client/ctrlhome/client/filesmap/receive/款项名称(代收代付).xlsFile: deploy/client/ctrlhome/client/filesmap/contract/销售方式.xlsFile: deploy/client/ctrlhome/client/filesmap/receive/款项名称(房款).xlsFile: deploy/client/ctrlhome/client/filesmap/customer/项目对照.xlsFile: deploy/client/ctrlhome/client/filesmap/customer/系统用户.xlsFile: deploy/client/ctrlhome/client/filesmap/customer/证件类型.xlsFile: deploy/client/ctrlhome/client/filesmap/customer/交付方式对照.xls Error:java.io.IOException: Server returned HTTP response code: 403 for URL: 处理建议:暂无具体处理建议