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经过多次测试发现,QQ吞图主要是判断图像哈希值,只要在图像发送前对某一个像素点修改即可避免被吞
![image](https://private-user-images.githubusercontent.com/41728500/256958247-21c53029-7121-4505-9317-7d8a21bad694.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.wfw0FL6WHcAxjTnMargmZNf5sMld5PTP4vQadB0FIfE)
已测试过在图片数据尾添加字节无法改变QQ发送图片后的哈希值,疑似QQ在图像发送前对其压缩过