,@Eurydice I fix the problem by you proposal, I close the iCloud in System Settings, Xcode open project immediately as before. You helped me a lot， Many Thanks!

Yeah！ I have the same problem as the brother upstairs Mac book pro 16-inch, 2019(intel) OS: 13.5 Beta (22G5038d) Xcode 14.2 Can you tell me what the reson is . Thanks!