I created a new git repo on my phabricator, but it still shows 'Update Error'

RAW ERROR
Error updating working copy: Command failed with error #128!
COMMAND
git log --format='%H%x01%P%x01%ct' --all --

STDOUT
(empty)

STDERR
fatal: bad default revision 'HEAD'

Reproduction Steps is very simple
Step 1, create a test repo named bbb{F1712244}

Step 2, activate the repo{F1712245}

Step 3,click status{F1712248}

version info
phabricator 922822bd2dc3df8a59881b435de74752eced49e8 (Thu, Jun 30)
arcanist 4d4d16f25985f133501f20fdddd183e525f00341 (Wed, Jun 29)
phutil e9e79fd8d7f51c483063d810fdef9750edd27cec (Wed, Jun 29)

Someone had the same problem? Please tell me your solution, thank you very much!