XCode 9 GM候选版1在打开Storyboard时目前存在崩溃问题。
ProductBuildVersion: 9A235
UNCAUGHT EXCEPTION (NSInternalInconsistencyException): Could not find class named UIImage
UserInfo: (null)
Hints:
0: Replacement view is installing: <IBStoryboardCanvasViewController: 0x7fdf6d7f7d70 representing: (null)>