ftp服务器上传没错误，，但ftp服务器相应目录下没有找到上传文件

Question

public void remoteUpload()throws Exception{
FTPClient f = new FTPClient();
f.connect("***.***.***.***", 21);
f.login("intf","intf");
System.out.println(f.isConnected());
f.setControlEncoding("GBK");
f.setFileType(FTPClient.BINARY_FILE_TYPE);//设置文件类型(二进制)
if(f.changeWorkingDirectory("/bjngbss/intf/bssfile/ykc/")){
System.out.println("切换目录成功！");
}else{
System.out.println("切换目录失败！");
}
File file = new File("G:\document\testUpload.log");
InputStream in = new FileInputStream(file);
f.enterLocalPassiveMode();
if(f.storeFile("testUpload.log", in)){
System.out.println("指定文件上传成功！");
}else{
System.out.println("指定文件上传失败！此目录下该用户无权上传文件！");
}
f.logout();//退出
}