update docs

[Jintao-Huang]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @Jintao-Huang, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on enhancing the user experience by refining the documentation for command-line parameters and addressing a critical issue related to case-sensitivity in how dataset and model identifiers are processed internally. These adjustments aim to provide clearer guidance and ensure the system correctly recognizes and loads resources based on their exact identifiers.

Highlights

• Documentation Clarity: Updated and clarified descriptions for several command-line arguments in the documentation, including 'seed', 'load_data_args', and 'custom_register_path'.
• Case-Sensitivity Correction: Removed redundant or incorrect .lower() calls in the dataset and model loading/registration logic, ensuring that dataset and model IDs/paths are now matched case-sensitively for improved accuracy and robustness.

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[gemini-code-assist]

Code Review

This pull request includes updates to the documentation and a functional change to enforce case-sensitivity for model and dataset identifiers. The documentation changes in docs/source/Instruction/命令行参数.md provide clearer explanations for several command-line arguments, which is a welcome improvement. The core functional change involves removing .lower() calls in swift/llm/dataset/loader.py and swift/llm/model/register.py, making model and dataset name matching case-sensitive. This enhances correctness by preventing ambiguity between identifiers that differ only in case. However, this is a potential breaking change for users who might have relied on the previous case-insensitive behavior. It is highly recommended to document this change in the pull request description and release notes. The code modifications are consistent and cleanly implemented.