建议支持隧道连接

隧道连接是数据库安全必备的功能之一

<img width="652" height="739" alt="Image" src="https://github.com/user-attachments/assets/e4697b6b-9f3a-4161-8b2a-639230ad1627" />

<img width="795" height="787" alt="Image" src="https://github.com/user-attachments/assets/de65ae78-1d53-4005-b0e6-17f6f9246b66" />
