Bootstrap 4 导航栏切换按钮在单击时右移和顶部30px

我有一个引导4导航栏在我的网页上，它有一个切换按钮，这是在右侧。但当我点击它时，它会向右移动，顶部移动30像素，然后当它崩溃时，它会向后移动。这看起来很奇怪。我希望我的切换按钮显示在右侧，并且不应在单击时移动

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