[bug]刷取学习次数无法正常退出

# 如图

<img width="867" alt="屏幕截图 2024-10-14 190946" src="https://github.com/user-attachments/assets/3bf8b4dc-1337-4ef4-9297-ec6827b548f4">

```
2024-10-14 19:09:30.636 | ERROR | set_log:run:42 - invalid literal for int() with base 10: 'q'
19:09:30 | ERROR | 课程序号输入错误，请重新尝试
```