Do not display picture in the gallery! (4.5.1)

The gallery why can not normal use? ? Upload pictures, but can not be displayed, but the download can see!
http://wap.haianw.asia/gallery ... t=new

Please name topics according to its content.
Do your modify gallery or it is original?
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The problem can be in your host

seg0ro, This is a program that comes with it, the latest JohnCMS4.5.1 not host problem!

No one to help me?

To solve the problem, I would like to thank you for your attention!