webdav实际能同步，但是会报错

**Describe the bug**

webdav同步服务，点击同步会报错，但是实际上配置是能被同步的

**Screenshots**
<img width="1600" height="739" alt="Image" src="https://github.com/user-attachments/assets/8fda5d8d-0715-46ea-bf5d-3ee1f5a1116e" />

**Desktop (please complete the following information):**
Windows  
Microsoft edge和chrome