用EZFTP.ocx下载txt文档到本地，请帮忙看看

           EZFTP.RemoteAddress = "192.145.0.114"
           EZFTP.userName = "1234"
           EZFTP.Password = "1234"
                 
           EZFTP.DisConnect
           EZFTP.Connect
            
           EZFTP.RemoteFile ="ChanGuan\aaa.txt"
           EZFTP.LocalFile = "C:\Temp"
             
           EZFTP.GetFile       ’报错：Unable to get file
           EZFTP.DisConnectPutFile是可以的，为什么GetFile就报错：Unable to get file