{"message":"异步图片生成API服务","version":"1.0.0","endpoints":{"提交单个任务":"POST /api/image/generate","批量提交任务":"POST /api/image/generate/batch","查询任务状态":"GET /api/task/{task_id}","获取任务列表":"GET /api/tasks","删除任务":"DELETE /api/task/{task_id}"}}