我尝试删除多余的骨骼但是我无法删除他，我验证了不是输入法的问题，
新建文件后验证是否是del键盘问题，反向验证后不是键盘问题是可以正常删除的，但是我在spine里无法删除任何骨骼，希望能修复注意此bug。

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    ACG 89 我很遗憾听到你遇到了麻烦。你能告诉我们你用的是哪个版本的Spine编辑器吗？如果你不介意的话，能不能通过电子邮件把Spine项目发给我们？：contact@esotericsoftware.com
    看来问题只出在骨骼上，所以你可以只发送Spine项目。请在邮件中简要地提到这个论坛主题的网址，以便我们知道背景。然后我们可以看看是什么地方出了问题。

    I'm sorry to hear you're having trouble. Could you tell us what version of the Spine editor you are using? If you don't mind, could you please send the Spine project to us via email?: contact@esotericsoftware.com
    It seems that the problem is only with the bones, so you can send just the Spine project only. Please briefly mention this forum thread URL in the email so that we know the context. Then we can have a look at what's going wrong.