I can not log with my password nor can I change my password with root.
Others have met with the problem too.
https://ask.fedoraproject.org/question/1518/fc16-adduser-cannot-lock-etcpasswd-try-again-later
http://superuser.com/questions/296373/cannot-lock-etc-passwd-try-again-later
https://answers.launchpad.net/ubuntu/+source/shadow/+question/174969
I entered recovery mode and get the authority of root.
Then I deleted the .lock files from /etc folder (/etc/.passwd.lock, /etc/group.lock, …)
Then it works well.
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