Update installation guide

[liurupeng]

What type of PR is this?

/kind documentation

What this PR does / why we need it

Which issue(s) this PR fixes

Fixes #

Special notes for your reviewer

Does this PR introduce a user-facing change?

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: liurupeng

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[ahg-g]

/lgtm

[liurupeng]

/retest

[ahg-g]

@liurupeng: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
pull-lws-test-e2e-main-1-31 61ca489 link true /test pull-lws-test-e2e-main-1-31
Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

We should investigate this, it could be a bug.

[ahg-g]

@liurupeng: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:
Test name Commit Details Required Rerun command
pull-lws-test-e2e-main-1-31 61ca489 link true /test pull-lws-test-e2e-main-1-31
Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

We should investigate this, it could be a bug.

@Edwinhr716 the failed test is related to the subgroup feature, please open an issue to track this and investigate it.

[ahg-g]

Opened #222