图像识别正确率低

### Contact Details

_No response_

### What happened?

图像识别正确率低，很多场景甚至白底黑字都会识别错误

<img width="978" height="768" alt="Image" src="https://github.com/user-attachments/assets/5eb0af7a-02a8-492a-a0c2-bfccf07fa9ee" />

### Platform

Windows Desktop

### Version

2.11.3