代码：
oo0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO.OO00.oo.OO00.oo.OO00.oo.OO00.oo 00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.O00.oo.OOO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO00.oo.OO0.oo.OO
复制上面的代码内容发送给你的好友，他查看消息的时候就会卡死。
“oo0.oo.OOO00.”这种字符会消耗GPU绘制性能。
代码：
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复制上面的代码内容发送给你的好友，他敢复制这条消息便会卡死。
这串文本内容中含有隐藏的Unicode字符，并且是很长的一串字符（见下图）。一般的应用程序都不会显示Unicode字符，看起来就一句话 其实是字节很多的内容，通过大量的字节可以使处理字符的API发生延迟，最终造成应用程序假死。
以ANSI编码查看：
以UTF-8编码查看：
原文：https://www.cnblogs.com/aucy/p/9082245.html