This repository is a Java web application serving as an AI chatbot platform. It integrates multiple AI services including ChatGPT for conversational AI, Midjourney for AI image generation, and Stable Diffusion for additional image generation. The system uses SSE and WebSocket for real-time streaming responses and includes features such as card-key redemption, EasyPay integration, and WeChat public account引流 (traffic引流). It supports model selection across 3.5, 4.0, and other model families, with a management backend for operations.