Scrivener can not open the Project created by Scrivener 3 on mac

I have upgraded to Scrivener 3 for my mac , But I found that the Project I had created in Scrivener 3 on mac os can not be opened by the windows version (, how to do? I wand the two version can be used for the same Project at diffent computer .

I know reason , I have install the Scrivener 3 beta 34 for windows .