在IOS里嵌套HTML5的页面，退出的时候会报错，这个会有什么影响，要如何调整？
This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. This will cause an exception in a future release
光阴似箭催人老，日月如移越少年。
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光阴似箭催人老，日月如移越少年。