如题。
不会不是/etc/samba/smb.conf 哪个参数设置有问题？哪位大神帮忙审阅一下？

[global]
workgroup = WORKGROUP
server string = %h server (Samba, Ubuntu)
client min protocol = NT1
server min protocol = NT1
log file = /var/log/samba/log.%m
max log size = 1000
logging = file
panic action = /usr/share/samba/panic-action %d
server role = standalone server
obey pam restrictions = yes
unix password sync = yes
passwd program = /usr/bin/passwd %u
passwd chat = Enter\snew\s\spassword:* %n\n Retype\snew\s\spassword:* %n\n password\supdated\ssuccessfully .
pam password change = yes
map to guest = bad user
display charset = utf-8
unix charset = utf-8
dos charset = UTF-8

[printers]
comment = All Printers
browseable = no
path = /var/spool/samba
printable = yes
guest ok = no
read only = yes
create mask = 0700
[print$]
comment = Printer Drivers
path = /var/lib/samba/printers
browseable = yes
read only = yes
guest ok = no
[downloads]
path = /mnt/sda1/usb-share
read only = no
guest ok = yes
create mask = 0777
directory mask = 0777
browseable = yes
[usb-shares]
path = /mnt/sda1/usb-share
read only = no
guest ok = yes
create mask = 0777
directory mask = 0777
browseable = yes