[Bug]添加helm仓库报错

**Kubernetes 版本**
k8s 1.30

**Bug 描述**
添加helm仓库无响应

**Bug 重现步骤(有截图更好)**

<img width="2524" height="984" alt="Image" src="https://github.com/user-attachments/assets/d37e9d6d-48a2-4ef4-afaf-f8eb09387b21" />