一种基于二维码的信息隐藏方法，只有利用根据本文提出的特殊算法设计的解码器通过得到服务器的解密信息后才能发现并解读其中的秘密信息，从而达到秘密通信的目的。-An information hiding method based on the qr code, only using special algorithm according to the proposed design of decoder by the server after the disclosure of the information to find and read the secret information, so as to achieve the goal of secret communication.