无法访问云服务器上搭建的FTP

无法访问云服务器上搭建的FTP，在浏览器或者文件夹里面能正常访问云服务器上的FTP

 Timed out trying to connect!
Traceback (most recent call last):
File "E:\Program Files (x86)\ShadowBot\shadowbot-5.9.20\python\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "E:\Program Files (x86)\ShadowBot\shadowbot-5.9.20\python\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "E:\Program Files (x86)\ShadowBot\shadowbot-5.9.20\python\lib\site-packages\xbot_interpreter.py", line 67, in <module>
main()
File "E:\Program Files (x86)\ShadowBot\shadowbot-5.9.20\python\lib\site-packages\xbot_interpreter.py", line 47, in main
mod.main(args)
File "C:\Users\86187\AppData\Local\ShadowBot\users\54778179350982657\apps\f5972eca-8ea2-43a0-8351-a0cf0eba0769\xbot_robot\main.py", line 10, in main
files_result = xbot_visual.ftp.get_ftp_files(ftp=ftp_instance, _block=("main", 2, "获取全部文件"))
File "<string>", line 79, in wrapper
File "<string>", line 74, in wrapper
File "<string>", line 28, in get_ftp_files
File "<string>", line 20, in get_ftp_files
File "<string>", line 150, in _invoke
File "<string>", line 118, in execute
File "<string>", line 92, in execute
xbot.errors.UIAError: Timed out trying to connect!