我正在尝试使用 pureftp 在我的主机上上传我的网站 我使用 Apache netbeans IDE。 所以我的问题是当我想上传文件或保存更改时，我收到错误 500 未知错误：
220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 18:48. Server port: 21.
220-This is a private system - No anonymous login
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
USER xenotech
331 User xenotech OK. Password required
PASS ******
230 OK. Current restricted directory is /
TYPE I
200 TYPE is now 8-bit binary
CWD /public_html
250 OK. Current directory is /public_html
PWD
257 "/public_html" is your current location
CWD /public_html/Xeno_tech_telegram_bot/Send&GetData
250 OK. Current directory is /public_html/Xeno_tech_telegram_bot/Send&GetData
PASV
227 Entering Passive Mode (62,112,9,22,232,228)
STOR Get.php.new
150 Accepted data connection
NOOP
500 Unknown command
DELE Get.php.new
500 Unknown command
QUIT
426 Transfer aborted
有人可以帮忙吗？