Fix typos

[co63oc]

Ⅰ. Describe what this PR did

Fix typos

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 35.89%. Comparing base (6e4ade0) to head (916da3e). Report is 26 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/alibaba/higress/pull/1053?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba) ```diff @@ Coverage Diff @@ ## main #1053 +/- ## ========================================== - Coverage 35.97% 35.89% -0.08% ========================================== Files 69 69 Lines 11514 11549 +35 ========================================== + Hits 4142 4146 +4 - Misses 7056 7087 +31 Partials 316 316 ``` | [Files](https://app.codecov.io/gh/alibaba/higress/pull/1053?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba) | Coverage Δ | | |---|---|---| | [pkg/ingress/config/ingress\_config.go](https://app.codecov.io/gh/alibaba/higress/pull/1053?src=pr&el=tree&filepath=pkg%2Fingress%2Fconfig%2Fingress_config.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba#diff-cGtnL2luZ3Jlc3MvY29uZmlnL2luZ3Jlc3NfY29uZmlnLmdv) | `13.87% <0.00%> (+0.49%)` | :arrow_up: | ... and [2 files with indirect coverage changes](https://app.codecov.io/gh/alibaba/higress/pull/1053/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba)