linux ARM UKUI set_icon, but the default icon is displayed

This is the display effect
<img width="221" height="136" alt="Image" src="https://github.com/user-attachments/assets/98050076-2153-4d4a-9652-9f00f5f1f0d3" />

This is the set picture

<img width="32" height="32" alt="Image" src="https://github.com/user-attachments/assets/cc039900-0faa-4b3f-8141-08c37135dd37" />

How to solve this problem？