Update README.md

[wuhuizuo]

What problem does this PR solve?

Issue Number: close #531999

Problem Summary:

What is changed and how it works?

Proposal: xxx

What's Changed:

How it Works:

Check List

Tests

• [ ] Unit test
• [ ] Integration test
• [ ] Manual test (add detailed scripts or steps below)
• [ ] No code

Side effects

• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [ ] Breaking backward compatibility

Documentation

• [ ] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Changes MySQL compatibility

Release note

Please add a release note, or a 'None' if it is not needed.

[ghost]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• zuo-bot-1

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment. After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review. Reviewer can cancel approval by submitting a request changes review.

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@zuo-bot-1: You can't add the do-not-merge/needs-triage-completed label, please rerun the check with /run-check-issue-triage-complete.

In response to removing label named do-not-merge/needs-triage-completed. Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

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@zuo-bot-1: You can't add the do-not-merge/needs-triage-completed label, please rerun the check with /run-check-issue-triage-complete.

In response to removing label named do-not-merge/needs-triage-completed. Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[ghost]

@zuo-bot-1: You can't add the do-not-merge/needs-triage-completed label, please rerun the check with /run-check-issue-triage-complete.

In response to removing label named do-not-merge/needs-triage-completed. Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[ghost]

@wuhuizuo: You can't add the do-not-merge/needs-triage-completed label, please rerun the check with /run-check-issue-triage-complete.

In response to removing label named do-not-merge/needs-triage-completed. Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/auto-cc

[wuhuizuo]

/autocc

[ghost]

@zuo-bot-1: You can't add the do-not-merge/needs-triage-completed label, please rerun the check with /run-check-issue-triage-complete.

In response to removing label named do-not-merge/needs-triage-completed. Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[ghost]

@zuo-bot-1: You can't add the do-not-merge/needs-triage-completed label, please rerun the check with /run-check-issue-triage-complete.

In response to removing label named do-not-merge/needs-triage-completed. Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/cc zuo-bot-1

[wuhuizuo]

/merge

[wuhuizuo]

/autocc

[wuhuizuo]

/auto-cc

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/merge

[ghost]

@wuhuizuo: Your PR was out of date, I have automatically updated it for you.

Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/auto-cc

[wuhuizuo]

/auto-cc

[wuhuizuo]

/hold

[wuhuizuo]

/label xxx

[ghost]

@wuhuizuo: The label(s) xxx cannot be applied. These labels are supported: help wanted, good first issue, wontfix, high-performance, invalid, question, duplicate, documentation.

In response to [this](https://github.com/ti-community-infra/test-dev/pull/534#issuecomment-1361262255): >/label xxx Instructions for interacting with me using PR comments are available [here](https://prow.tidb.net/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/unhold

[wuhuizuo]

/merge

[wuhuizuo]

/merge

[wuhuizuo]

/merge

[wuhuizuo]

/cancel-merge

[wuhuizuo]

/merge cancel

[wuhuizuo]

/unmerge

[wuhuizuo]

/merge-cancel

[wuhuizuo]

/merge

[wuhuizuo]

/merge

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/retest

[wuhuizuo]

/test check-issue-triage-complete

[ti-chi-bot-dev[bot]]

@wuhuizuo: The specified target(s) for /test were not found. The following commands are available to trigger required jobs:

• /test nest_prow_debug
• /test pull-test-dev-validate-labels-yaml

Use /test all to run the following jobs that were automatically triggered:

• pingcap-qe/ee-ops/prow_debug

In response to [this](https://github.com/ti-community-infra/test-dev/pull/534#issuecomment-1362472969): >/test check-issue-triage-complete Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/test prow_debug

[ti-chi-bot-dev[bot]]

@wuhuizuo: The specified target(s) for /test were not found. The following commands are available to trigger required jobs:

• /test nest_prow_debug
• /test pull-test-dev-validate-labels-yaml

Use /test all to run the following jobs that were automatically triggered:

• pingcap-qe/ee-ops/prow_debug

In response to [this](https://github.com/ti-community-infra/test-dev/pull/534#issuecomment-1362477001): >/test prow_debug Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/test pingcap-qe/ee-ops/prow_debug

[ti-chi-bot-dev[bot]]

@wuhuizuo: The specified target(s) for /test were not found. The following commands are available to trigger required jobs:

• /test nest_prow_debug
• /test pull-test-dev-validate-labels-yaml

Use /test all to run the following jobs that were automatically triggered:

• pingcap-qe/ee-ops/prow_debug

In response to [this](https://github.com/ti-community-infra/test-dev/pull/534#issuecomment-1362477212): >/test pingcap-qe/ee-ops/prow_debug > Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/test nest_prow_debug

[ghost]

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

Test name	Commit	Details	Required	Rerun command
prow_debug	b6cba9e93c67e75764b17998de64c2a0c58f8a83	link	true	/test prow_debug
nest_prow_debug	55795e91d9f6d2e026e353c9d4358142e20a76fc	link	true	/test nest_prow_debug

Full PR test history.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).

[ti-chi-bot-dev[bot]]

@wuhuizuo: 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
nest_prow_debug	55795e91d9f6d2e026e353c9d4358142e20a76fc	link	true	/test nest_prow_debug

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).