Linux svn subversion log out log in with other username

Just add this command:
--username xxxxx

Password for 'default' GNOME keyring: solution

When meet error like

Password for 'default' GNOME keyring: 

you can edit ~/.subversion/config in section [Auth] add:
password-stores = 

Password for '(null)' GNOME keyring

用svn checkout時發生以下問題,無法登入:
Password for '(null)' GNOME keyring:

解決辦法:
rm ~/.gnome2/keyrings/login.keyring

再重新輸入帳密即可