Automatic merge from submit-queue (batch tested with PRs 52880, 52855, 52761, 52885, 52929). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>..
Adjust the validating messages
Signed-off-by: yuexiao-wang <wang.yuexiao@zte.com.cn>
**What this PR does / why we need it**:
1. Adjust the validating messages for user understanding
2. Add error messages for easliy testing.
3. Optimize the code for switch case.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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