在Apple Watch中管理Glance界面

I have made one app for iPhone in Xcode 7. Now I need to add Glance Interface to the watch app. However I have migrated all the code to Xcode 8, and in the latest version of Xcode 8, Glance Interface is not showing. I have followed some tutorial to add it manually, but in storyboard, its not showing the option to add Glance Controller.I have made one app for iPhone in Xcode 7. Now