China National Knowledge Infrastructure (CNKI) has recently launched version 4.0 of its AI Academic Research Assistant, an advanced tool that utilizes artificial intelligence technology to support research work. This new version is based on CNKI's vast academic resources and the intelligent technology of the Huazhi model, closely integrating AI large model technology, high-quality data, and research scenarios to enhance the efficiency of critical aspects such as literature retrieval, reading, and academic writing.