[Theme: tanzaku] single post problem..

Hi,
I’m using this tankazu theme, i found one problem to be solved.

i have used [more] tag on the post. so it makes only a two lines which i want to be shown. but when i click one post, i can see the single post and the grid-item is shown underneath.

here i have a problem that [more] tag is not working in single post.

please help me!!

http://leesanghyeok.com/finaltest

this is my website is working on now.

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http://ww.wp.xz.cn/extend/themes/tanzaku/