[Weiching]

Correct, if the permalink is the default (http://domain.com/?p=123) do not have this problem.

[Weiching]

I’m sorry my English is a translation, perhaps picture can express more clearly.

http://imageshack.us/photo/my-images/834/201111081.jpg/

http://imageshack.us/photo/my-images/225/201111085.jpg/

http://imageshack.us/photo/my-images/840/201111082.jpg/

http://imageshack.us/photo/my-images/511/201111083.jpg/

http://imageshack.us/photo/my-images/220/201111084.jpg/

[Weiching]

Nobody found this problem? This seems to be a bug.