Click on the button to appear my project with the operation of the page, using the layer plugin layer. The open function, has been normal before, then in a test, found the pop-up page doesn't display properly, and then I looked at once, found that this page is not normal popups, but in the back of the page, not pop up in the most front, according to I try searching method, the layer. The open to the top. Layer. The open, also have no effect, I don't know how,

The correct should be this