nodejs KOA 框架 下载xlsx

'/direct/create/terminal/excel':async (ctx,next)=>{
    let date = get_kuang_id.date()
    let path = './src/downloads/terminal_' + date + '.xlsx'
    ctx.set('Content-Type', 'application/vnd.openxmlformats');
    ctx.set("Content-Disposition", "attachment; filename=" + "terminal.xlsx");
    let data = fs.readFileSync(path)
    ctx.body = (data);
},