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但要理解这里面的差异和进步，我们要先弄懂那些少则三五块、多则几十块的「防窥膜」是怎么实现防窥的。
。关于这个话题，同城约会提供了深入分析
As a final tweak, I moved from 8 bit ansi colors like \x1b[38:5:161m to 4 bit colors like \x1b[31m. This restricts our color range, but it saves something like 6 bytes per color.
（一）刻划、涂污或者以其他方式故意损坏国家保护的文物、名胜古迹的；