重设windows10中的sub linux系统用户密码

C:\Users\Think>lxrun /setdefaultuser root

root@HAIYOUNG:/mnt/c/Users/Think/Desktop# id
uid=0(root) gid=0(root) groups=0(root)
root@HAIYOUNG:/mnt/c/Users/Think/Desktop# passwd haiyoung
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
root@HAIYOUNG:/mnt/c/Users/Think/Desktop#

C:\Users\Think>lxrun.exe /setdefaultuser haiyoung

haiyoung@HAIYOUNG:/mnt/c/Users/Think/Desktop$ id
uid=1000(haiyoung) gid=1000(haiyoung) groups=1000(haiyoung),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev)
haiyoung@HAIYOUNG:/mnt/c/Users/Think/Desktop$ sudo apt update
sudo: unable to resolve host HAIYOUNG
[sudo] password for haiyoung:
Get:1 http://security.ubuntu.com trusty-security InRelease [65.9 kB]
Ign http://archive.ubuntu.com trusty InRelease
Get:2 http://archive.ubuntu.com trusty-updates InRelease [65.9 kB]
34% [2 InRelease 12.0 kB/65.9 kB 18%] [1 InRelease 32.5 kB/65.9 kB 49%]^Chaiyoung@HAIYOUNG:/mnt/c/Users/Think/Desktop$
haiyoung@HAIYOUNG:/mnt/c/Users/Think/Desktop$