Remove commented-out DataFrame column selection in vectorize function for cleaner code

Convert single dictionary to list of dictionaries in vectorize function for consistent DataFrame creation

Refactor logging in multiple files to replace print statements with logging calls for better traceability

Refactor error handling and improve logging in utils.py; update vectorization process in vectorizer.py; adjust variable naming in eastmoney.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

Update vectorizer.py

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