When I remove the image of a button (by setting it to nil), it makes the text move to the bottom left of the button. Am I removing the image the wrong way or am I supposed to reposition the text after moving it? Or am I supposed to remove the text and set it back?When I remove the image of a button (by setting
阅读背景：
从按钮中删除图像会错误放置文本
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