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可以修复:
#2704
#2750
#2742
旧版本中可以的原因是,之前是用的 willRecieveProps ,新版本中改成了 didUpdate,所以 dialog 在弹出瞬间的初始值其实是旧的,需要等待 didUpdate 后才会刷新过来,所以首次获取值是旧的,解决办法是,关闭态不渲染成员节点,打开以及打开动画中才渲染。