DATABASE_URL=mysql+pymysql://yssjs:yssjs@localhost:13306/yuzong?charset=utf8mb4 SECRET_KEY=yuzong-jewelry-design-secret-key-2026 ALGORITHM=HS256 ACCESS_TOKEN_EXPIRE_MINUTES=1440 UPLOAD_DIR=uploads # AI 生图配置 SILICONFLOW_API_KEY= SILICONFLOW_BASE_URL=https://api.siliconflow.cn/v1 VOLCENGINE_API_KEY= VOLCENGINE_BASE_URL=https://ark.cn-beijing.volces.com/api/v3 AI_IMAGE_MODEL=flux-dev AI_IMAGE_SIZE=1024