Data-Copilot is an LLM-based system that bridges various data sources and users by autonomously managing data-related tasks. It can query, predict, analyze, and visualize data from Chinese financial markets including stocks, funds, economic data, and financial data. The system supports multiple LLM backends including OpenAI GPT-3.5, Azure GPT-3.5, and Qwen-72b-Chat, and transforms raw data into informative results through autonomous workflows.