用于读取163相册的验证码，采用最简单的点阵相匹配的方式，只要是点阵图书写正确，可以适用于任何一种字体规则，颜色区别比较明显的图片。-Used to read 163 album Verification Code to adopt the most simple way to match the lattice, as long as it is written in the correct bitmap, you can apply to any rules of a font, color, more obvious difference between the pictures.