Unable to access services through web during installation/deployment

[yuanminhui]

Describe the bug

Following the deployment guide, I stumbled over two steps that require/check the communication with the deployed services on k8s:

2.2 安装 Jupyterhub
...

# 将 jupyterhub 服务暴露出来，使浏览器可以直接访问.拿到 token 之后，就可以关掉这个端口转发。
kubectl -n bioos port-forward --address 0.0.0.0 service/hub 8081:8081

打开浏览器访问：http://服务器IP/jupyterhub, 申请新 token.

2.4 安装 Bioos 服务
...

# 端口转发：
kubectl -n ingress-nginx port-forward --address 0.0.0.0 service/ingress-nginx-controller 8888:80

...
打开浏览器访问 http://服务器IP/workspace，至此完成 bioos 安装.

To Reproduce

Follow the deployment guide at https://bio-os.gitbook.io/userguide/bu-shu/getting-set-up/bu-shu-bioos or https://github.com/Bio-OS/helm-charts/blob/main/README.md.

Expected behavior

Successful installation and interaction with k8s backend services.

Screenshots

Error status of bioos access is the same with jupyterhub access.