Delete Button not working about wiki-v1 HOT 6 CLOSED

~/wikijs$ git --git-dir=repo/.git --work-tree=repo add .
~/wikijs$ git --git-dir=repo/.git --work-tree=repo commit -a
~/wikijs$ git --git-dir=repo/.git --work-tree=repo push -u origin master

~/wikijs$ node wiki restart

~/wikijs$ git --git-dir=repo/.git --work-tree=repo rm new-page.md
error: the following file has changes staged in the index:
    new-page.md
(use --cached to keep the file, or -f to force removal)
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~/wikijs$ git --git-dir=repo/.git --work-tree=repo status
On branch master

No commits yet

Changes to be committed:
  (use "git rm --cached <file>..." to unstage)

        new file:   cat.md
        new file:   home.md
        new file:   new-page.md
        new file:   new-testpage.md
        new file:   table.md
        new file:   table/tr.md
        new file:   uploads/1920-px-cat-poster-1.jpg