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感觉这个功能很没有必要。而且特别容易误触。但不知道如何关闭。
经常就是随便点击选择了一些文本，然后一移动就弹出导入窗口了。
How to close the import window caused by moving the mouse after selecting text
论坛已经有解决方案了。未来可能杰里米会搞一个隐藏设置吧。我也更新到了太微中文教程里去了。
禁用拖放机制
