import {Request, Response} from 'express'; import fetch from 'isomorphic-unfetch'; const model = 'https://gitee.com/public_sharing/ObjectDetection-YOLO/raw/master/yolov3.cfg'; export default async (req: Request, res: Response) => { const result = await fetch(model); res.setHeader('Content-Type', 'application/octet-stream'); res.setHeader('Content-Disposition', 'attachment; filename="yolov3.cfg"'); return result.arrayBuffer(); };