第三级菜单导航在bootstrap 3 rtl中

I use bootstrap 3 in my site and it's rtl direction. I want to have third level menu nav in my site I try to use SmartMenus Bootstrap Addon (Navbar) It works very well if it (ltr) but as my site is rtl the (SmartMenus Bootstrap Addon) broken, it does not work as it ought to be. How can I use SmartMenus rtl without causeing any problems. OR if any one know any better solution. Thank youI use bootstrap 3 in my site and it's rtl direc