仅在一个UITabBarItem上实现SWRevealViewController

I implement SWRevealViewController with UITabbarController via storyboard. I want to display SWRevealViewController in first UITabBarItem only, in other UITabBarItem i don't want to open SWRevealViewController, that done completely. But problem is position of UITabBar is not change like viewcontroller while SWRevealViewController is appear.I implement SWRevealViewController with UITabba