报如下错误: 原因 设置signed: true后,它就会寻找req.secret(一个秘钥字符串),进行加密 allen返回浏览器. const SESS_CONFIG = { key: 'kkb:sess', maxAge: 86400000, httpOnly: true, signed: true, }; app.use(session(SESS_CONFIG, app)); app.use(ctx => { if (ctx.path === '/favicon.ico') return