在我的 Ubuntu 18.04 中，当任何窗口未最大化时，顶部面板变得完全透明。
当窗口最大化时
当窗口未最大化时
我该如何解决这个问题？
一切都好吗？
$ sudo dpkg --verify
[sudo] password for *******:
??5?????? c /etc/bash.bashrc
??5?????? c /etc/gdm3/custom.conf
??5?????? c /etc/sysctl.conf
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/btcoexist/btcoexist.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rtl8188ee.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192c/rtl8192c-common.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/rtl8192ce.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rtl8192cu.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192de/rtl8192de.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/rtl8192ee.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192se/rtl8192se.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/rtl8723ae.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723be/rtl8723be.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723com/rtl8723-common.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/rtl8821ae.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl_pci.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl_usb.ko
??5?????? /lib/modules/4.15.0-46-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
??5?????? c /etc/apparmor.d/usr.bin.webbrowser-app
??5?????? c /etc/X11/Xsession.d/99upstart
??5?????? c /etc/X11/Xsession.d/00upstart
??5?????? c /etc/xdg/autostart/print-applet.desktop
??5?????? /lib/firmware/rtlwifi/rtl8192eefw.bin
??5?????? /lib/firmware/rtlwifi/rtl8821aefw.bin
??5?????? /lib/firmware/rtlwifi/rtl8822befw.bin
??5?????? /usr/share/gnome-mahjongg/themes/postmodern.svg
我想使用 2nd ( /dev/sda5) 和 3rd ( /dev/sda6) 驱动器供我个人使用，但我做不到。而且我没有空间。我为系统留下了第一个分区（140gb），我想使用第二个（40gb）和第三个（50gb）。帮帮我我该怎么办？
第一/dev/sda5属性
第一/dev/sda5权限
第二/dev/sda6属性
第二个/dev/sda6权限
我什至准备重新安装操作系统。告诉我我现在应该做什么来防止这个问题？
cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' 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>
# / was on /dev/sda3 during installation
UUID=6a2c6bb2-3f79-4598-b24d-52743c552a8f / ext4 errors=remount-ro 0 1
# /boot/efi was on /dev/sda1 during installation
UUID=1572-BBA5 /boot/efi vfat umask=0077 0 1
# swap was on /dev/sda4 during installation
UUID=e9d72749-3544-42df-9529-b45783fbd37b none swap sw