FTP上传或下载文件时报错

使用其他FTP软件测试过了，账号权限没有问题，可以正常使用。

可以正常连接FTP并切换目录，可以创建文件夹或者删除文件，但是不能获取文件列表，不能上传或下载。

报错信息：

Error while uploading the file to the server. See InnerException for more info.
   at FluentFTP.FtpClient.UploadFileInternal(Stream fileData, String localPath, String remotePath, Boolean createRemoteDir, FtpRemoteExists existsMode, Boolean fileExists, Boolean fileExistsKnown, Action`1 progress, FtpProgress metaProgress)
   at FluentFTP.FtpClient.UploadFileFromFile(String localPath, String remotePath, Boolean createRemoteDir, FtpRemoteExists existsMode, Boolean fileExists, Boolean fileExistsKnown, FtpVerify verifyOptions, Action`1 progress, FtpProgress metaProgress)
   at FluentFTP.FtpClient.UploadFile(String localPath, String remotePath, FtpRemoteExists existsMode, Boolean createRemoteDir, FtpVerify verifyOptions, Action`1 progress)
   at GL16gEmLAf90iFetGJm.uWM2WWm4jylqNeS1POi.EDUWaYy23f(String  , String  , UploadKind  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\UIAutomation\FTP\FTPAutomation.cs:line 93
   at ShadowBot.UIAutomation.Provider.Service.FTPService.UploadFile(String id, String localFile, String remotePath, UploadKind uploadKind) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Service\FTP\FTPService.cs:line 61
   at lambda_method30(Closure , k8qxV1b4PpcJXP7kDXp , Object[] )
   at sRHMsUbjx64dIDAgAYf.dG3WUNbq4Gx7QhRR58n.<>c__DisplayClass9_0.K2baaDsiAWQ(k8qxV1b4PpcJXP7kDXp service, Object[] parameters) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInvoker.cs:line 109
   at sRHMsUbjx64dIDAgAYf.dG3WUNbq4Gx7QhRR58n.WKab68LKMw(k8qxV1b4PpcJXP7kDXp  , MLE4EeqSYAMVAZrosaQ  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInvoker.cs:line 63
   at SFTVKDbZuhy6rNZnKHe.gCq9PNbcOVEObh5k8uQ.ArvbQtVtAf(k8qxV1b4PpcJXP7kDXp  , e0LoPRqoTuxhdkArK9g  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCActionInfo.cs:line 34
   at CQg1QsjLpob751TTBib.K6IQ1Sj4JOcgUbuCwAC.t6Mje6psNF(e0LoPRqoTuxhdkArK9g  ) in D:\Work\xbot-v5-uia\src\ShadowBot.UIAutomation.Provider\Common\IPC\IPCServiceInfo.cs:line 52