语言岛智能记单词绿色版怎么用啊？会用的指点一下

代码:

# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    nodev,noexec,nosuid 0       0
# / was on /dev/sda4 during installation
UUID=3b12673e-fea4-4e76-8cac-297bb8beb89f /               ext4    errors=remount-ro 0       1
# /home was on /dev/sda9 during installation
UUID=ee3d1d8c-5d00-42d3-833b-4251d087d726 /home           ext4    defaults        0       2
# swap was on /dev/sda10 during installation
#UUID=b80b9f56-ca5b-4008-872f-108912f4c04a none            swap    sw              0       0
/dev/mapper/cryptswap1 none swap sw 0 0

#ex_disk /dev/sda8
UUID=6c7e4651-81ab-4e18-aadd-466bfec3b13c /media/ex_disk  ext4
defaults       0        2

代码:

mount: mount point 0 does not exist