是什么导致这种情况发生？ NSUserDefaults无法在watchkit项目中共享IOS和Watch之间的数据

I could get the data from the IOS,but watch. If I save data by watchkit extension, IOS couldn't get the data.So it's so strange. And I have added the Group and create the profile. following is my Snippet:I could get the data from the IOS,but watch. If