Repair method for win10 subsystem WSL if the passwords of root and other users are forgotten

1、 First modify root User's password ：

1、 Open as administrator PowerShell ;
2、 Enter the command wsl.exe --user root ;
3、 command passwd root modify root User password .

2、 Change the password of other users ：

1、 Get into Ubuntu, Open a terminal , Input sudo su To root user . Be careful , Must be converted to root user ！！！
2、sudo passwd user(user Is the corresponding user name )
3、 Enter the new password , Confirm the password .
4、 Password changed successfully , restart , Enter a new password to enter Ubuntu

Reference link ：win10 Subsystem WSL If root And other users' passwords - Halo3224 - Blog Garden