Bug: fetchSubmitPage is rendered twice and incorrectly prefixed with ui.

<img width="160" height="43" alt="image" src="https://github.com/user-attachments/assets/fa71c080-c3a5-463f-b19d-ace7bfd0a036" />
<img width="1494" height="155" alt="image" src="https://github.com/user-attachments/assets/82590bd4-e48f-41ca-b87f-d0162bdcdef2" />
观察到 fetchSubmitPage 被渲染了两边，还被加了 ui. 的前缀