[操作疑難] Openconnect VPN by OpenWrt問題

我想問有冇CHing 整過OpenConnect?
電話端已經能夠連接上OpenConnect (by Cisco anyconnect app)
但用電話上getip.com
發現顯示出來的IP並非server端IP,仍然是電話網絡IP

想請問有咩方法可以force all traffic go through OpenConnect Server?
因為我見app到冇咩可以set
OpenWrt 個Openconnect luci介面極其簡陋...

thanks!