fix: while cycles cause high cpu usage (#2663)

#### What type of PR is this?
/kind bug
/area core
/milestone 2.0
#### What this PR does / why we need it:
修复日志 while 循环导致 cpu 占用高的问题

#### Special notes for your reviewer:
/cc @halo-dev/sig-halo 
#### Does this PR introduce a user-facing change?

```release-note
None
```