[Hot Fix]Fix bugs for check_port

[TangJiakai]

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name: Pull Request about: Create a pull request

Description

Modify the faulty logic of the original check_port function.

Checklist

Please check the following items before code is ready to be reviewed.

• [ ] Code has passed all tests
• [ ] Docstrings have been added/updated in Google Style
• [ ] Documentation has been updated
• [ ] Code is ready for review