警告：Scene is unreachable due to lack of entry points and does not have an identifier for runtime access via-instantiate ViewControllerWithIdentifier.
消除方法：给storyboard id 赋值
原文链接：https://www.f2er.com/swift/321620.html
警告：Scene is unreachable due to lack of entry points and does not have an identifier for runtime access via-instantiate ViewControllerWithIdentifier.
消除方法：给storyboard id 赋值
原文链接：https://www.f2er.com/swift/321620.html
