Minnie

Results 2 issues of Minnie

![浅色+](https://user-images.githubusercontent.com/53244212/183622011-8841372d-b070-4888-b7af-1df267c3bb0e.png) ![黄码](https://user-images.githubusercontent.com/53244212/183622036-225ac5d4-a068-4571-a3e1-732720355de2.png) ![红码](https://user-images.githubusercontent.com/53244212/183622077-48e1e1af-e896-4666-8ae2-ef9dcd425479.png) The first two light-colored codes cannot be recognized. Is there a solution? (前两个颜色浅的码识别不了,有办法解决吗?)

![image](https://user-images.githubusercontent.com/53244212/153179363-343aa9c3-05e9-42c9-888f-dd6ab38559b5.png)