fix: ns selector may not work

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 23.61%. Comparing base (677cd12) to head (b287173).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #646 +/- ## ======================================= Coverage 23.61% 23.61% ======================================= Files 62 62 Lines 6491 6491 ======================================= Hits 1533 1533 Misses 4714 4714 Partials 244 244 ``` | [Flag](https://app.codecov.io/gh/AliyunContainerService/terway/pull/646/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AliyunContainerService) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/AliyunContainerService/terway/pull/646/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AliyunContainerService) | `23.61% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AliyunContainerService#carryforward-flags-in-the-pull-request-comment) to find out more.

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