[Moin-user] [Moin1.5.3]lost login and logout button?!

[Zoom.Quiet]

like us MoinMoin 1.5.3
http://wiki.woodpecker.org.cn/moin/UserPreferences

there is not logout button
and when i try in other browser can not see login button,
just register new member button ....

what happen?
is some config option, i'm not setup right?

thanx for all

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