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我正在使用 Xcode 9.2 并在状态栏上方看到这条不需要的黑线。我已经在模拟器和设备上对其进行了测试,但遇到了同样的问题。并非所有屏幕都会发生这种情况,而只有少数屏幕会发生这种情况。任何帮助,将不胜感激。