Results 1 issues of FangLi

![image](https://github.com/user-attachments/assets/815bc843-bb09-4b21-be80-3d63e7eb7b75) if alpha equals 0 then, alpha will be 0 forever. Because in the code, alpha updates: ![image](https://github.com/user-attachments/assets/6f1d763a-7184-4a22-8c1c-ad2a48aae0cb) Even if f equals 1, then new alpha will be 0. I...