安装完 GitLab 无法新建项目

新建项目提示：

The form contains the following error:

Failed to create repository via gitlab-shell

#sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production 

System information
System:         Ubuntu 14.04
Current User:   git
Using RVM:      no
Ruby Version:   2.3.3p222
Gem Version:    2.5.2
Bundler Version:1.14.6
Rake Version:   10.5.0
Sidekiq Version:4.1.2

GitLab information
Version:        8.9.5
Revision:       fatal: Not a git repository (or any of the parent directories): .git
Directory:      /home/git/gitlab
DB Adapter:     mysql2
URL:            http://80.grac6cc1.demo.xunda-bj.goodrain.net
HTTP Clone URL: http://80.grac6cc1.demo.xunda-bj.goodrain.net/some-group/some-project.git
SSH Clone URL:  [email protected]:some-group/some-project.git
Using LDAP:     no
Using Omniauth: no

GitLab Shell
Version:        3.2.0
Repositories:   /data/repositories
Hooks:          /home/git/gitlab-shell/hooks/
Git:            /usr/bin/git

# sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production 

Checking GitLab Shell ...

GitLab Shell version >= 3.0.0 ? ... OK (3.2.0)
Repo base directory exists? ... yes
Repo base directory is a symlink? ... no
Repo base owned by git:git? ... yes
Repo base access is drwxrws---? ... yes
hooks directories in repos are links: ... can't check, you have no projects
Running /home/git/gitlab-shell/bin/check
Check GitLab API access: OK
Check directories and files: 
        /home/git/.ssh/authorized_keys: OK
Send ping to redis server: gitlab-shell self-check successful

Checking GitLab Shell ... Finished

Checking Sidekiq ...

Running? ... yes
Number of Sidekiq processes ... 1

Checking Sidekiq ... Finished

Checking Reply by email ...

Reply by email is disabled in config/gitlab.yml

Checking Reply by email ... Finished

Checking LDAP ...

LDAP is disabled in config/gitlab.yml

Checking LDAP ... Finished

Checking GitLab ...

Git configured with autocrlf=input? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config outdated? ... no
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory setup correctly? ... skipped (no tmp uploads folder yet)
Init script exists? ... yes
Init script up-to-date? ... yes
projects have namespace: ... can't check, you have no projects
Redis version >= 2.8.0? ... yes
Ruby version >= 2.1.0 ? ... yes (2.3.3)
Your git bin path is "/usr/bin/git"
Git version >= 2.7.3 ? ... yes (2.11.0)
Active users: 1

我看了 git-shell.log 权限也都正确。