ChatGPT Work has undergone a significant functional upgrade, enabling it to accurately reproduce users' writing styles. This feature has been integrated into mainstream office platforms. Upon authorization, it can automatically scan users' historical materials, extract personal expression patterns, and process them with encryption to form a writing template library. When creating content, the AI assistant can automatically match style templates, reducing the cost of manual proofreading. It employs a multi-layer neural network architecture that only extracts quantitative linguistic feature parameters without storing the original text. Internal testing shows that when continuously generating 200 paragraphs of text, the style matching accuracy rate exceeds 92%. This upgrade marks the transition of intelligent assistants from general-purpose to personalized, and it is now available for testing to enterprise users, with a full rollout expected within three months.