You have purchased but not yet downloaded

I tested in app purphase always have such a prompt "you have purchased but not yet downloaded," Why? How to solve it?
Yes, I created a consumable commodity
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iPhone development Cheats (Chinese version 2) pdf, get under it, not points, rare books.

Address: http://download.csdn.net/detail/wangxiangdong_sl/3621404
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Study hard, the collection
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Learning ~!
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The reply was deleted at 2012-01-12 11:34:41 moderator

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Well a very powerful