The data is sourced from the latest version of the *Chinese Proficiency Test (HSK) Syllabus* released by the Center for Language Education and Cooperation in November 2025.
Functions include:
1. Covered HSK levels: HSK 1, HSK 2, HSK 3, HSK 4, HSK 5, HSK 6, HSK 7-9
2. Based on the original exam syllabus, the vocabulary function has been enhanced to include vocabulary words, Pinyin, explanations, usage, synonyms, antonyms, and example sentences.
3. Recognition characters are displayed in the form of flashcards, with options to mark them as "known" or "unknown" for convenient memorization and knowledge management.
4. Writing characters from the exam syllabus are extracted to form a writing character database.
5. Grammar knowledge points: detailed introduction to the grammar knowledge required for each level.