ubuntu 18.04安装所有的软件都提示如下错误，安装不了新的软件，请各位大神们赐教，谢谢。

[田园诗人之园]

Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
libasan4-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
libatomic1-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
libcilkrts5-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
libgcc1-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
libgomp1-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
libstdc++6-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
libubsan0-armhf-cross : Depends: libc6-armhf-cross (>= 2.27) but 2.23-0ubuntu3cross1 is to be installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).

[田园诗人之园]

weihanwu@weihanwu-OptiPlex-990:/$ sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
libc6-armhf-cross libc6-dev-armhf-cross
The following packages will be upgraded:
libc6-armhf-cross libc6-dev-armhf-cross
2 upgraded, 0 newly installed, 0 to remove and 259 not upgraded.
10 not fully installed or removed.
Need to get 0 B/2,904 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 256876 files and directories currently installed.)
Preparing to unpack .../libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
Unpacking libc6-dev-armhf-cross (2.27-3ubuntu1cross1.1) over (2.23-0ubuntu3cross1) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
unable to open '/usr/arm-linux-gnueabihf/lib/Mcrt1.o.dpkg-new': No such file or directory
No apport report written because the error message indicates an issue on the local system
Preparing to unpack .../libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
Unpacking libc6-armhf-cross (2.27-3ubuntu1cross1.1) over (2.23-0ubuntu3cross1) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
unable to open '/usr/arm-linux-gnueabihf/lib/ld-2.27.so.dpkg-new': No such file or directory
No apport report written because the error message indicates an issue on the local system
Errors were encountered while processing:
/var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb
/var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

[田园诗人之园]

参考下面的链接可以解决。因为我修改过ubuntu的默认源，最终解决的方法是我修改默认源为阿里云，最终通过下面几步就可以ok了。
1，执行-f dist-upgrade
2，执行apt --fix-broken install
3，再执行apt-get update
4，最后执行apt-get upgrade