2. it
  3. 处理 This view is not constrained. It only has designtime positions, so it will jump to (0,0) at

处理 This view is not constrained. It only has designtime positions, so it will jump to (0,0) at

mac2024-06-04  62

处理方式：

1.点击这个小按钮，Infer  constraints

2.点击button，在右边Layout界面修改

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