Xcode 8.2.1 stucked when select file

[yemingyu]

Description

macOS Sierra 10.12.3
Xcode 8.2.1
Xcode stucked when select file.

Operation

following steps may help:
1.first open signed Xcode and Command + O to open file. Xcode running normally.
2.close signed Xcode.
3.open unsigned Xcode. Xcode stucked when select file.All that can be done is forced close Xcode.
4.I have disallowed Xcode access Contacts