Is this a bug of layout:accordion?
官方站没人在。。。还是转到国内来。。。
My code like this

And this works Good
见图一
And...When I add more menus...like this
见图二
the collapse doesn't work any more.[Can not disp items in it.Just like menu 2 in the 图二]

Is there any attribute to set so i can solve this?
Or This is a bug of layout:accordion.