[LLM] add port check and fix bugs

[ltd0924]

Before submitting

• Lint code. If there are lint issues, please format the code first.

# Install and register `pre-commit` in the project folder
pip install pre-commit && pre-commit install

# Process previous code files separately
pre-commit run --file XXXX.py

• Add test cases into tests folder. If there are codecov issues, please add tests cases first.

PR types

PR changes

Description

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.35%. Comparing base (7758b90) to head (78b94ce).
Report is 1 commits behind head on release/3.0-beta4-new.

❌ Your project status has failed because the head coverage (50.35%) is below the target coverage (58.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@                    Coverage Diff                    @@
##           release/3.0-beta4-new   #10153      +/-   ##
=========================================================
- Coverage                  50.35%   50.35%   -0.01%     
=========================================================
  Files                        756      756              
  Lines                     121584   121584              
=========================================================
- Hits                       61225    61223       -2     
- Misses                     60359    60361       +2     

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