Koa2时，连接redis报错，老师请问是因为Koa2升级了吗？

来源：11-5 实现session

Kulolo_

2020-12-06

全部按老师代码敲入。当引入koa-generic-session相关部分后，怎么都报这个错

assert.js:385
throw err;
^

AssertionError [ERR_ASSERTION]: app.use() requires a generator function
at Application.app.use (C:\Users\cheng\OneDrive\Code\Nodejs Code\blog-koa2\node_modules\koa\lib\application.js:106:5)
at Object. (C:\Users\cheng\OneDrive\Code\Nodejs Code\blog-koa2\app.js:37:5)
at Module._compile (internal/modules/cjs/loader.js:1085:30)
at Object.Module._extensions…js (internal/modules/cjs/loader.js:1114:10)
at Module.load (internal/modules/cjs/loader.js:950:32)
at Function.Module._load (internal/modules/cjs/loader.js:791:14)
at Module.require (internal/modules/cjs/loader.js:974:19)
at require (internal/modules/cjs/helpers.js:88:18)
at Object. (C:\Users\cheng\OneDrive\Code\Nodejs Code\blog-koa2\bin\www:7:11)
at Module._compile (internal/modules/cjs/loader.js:1085:30)
at Object.Module._extensions…js (internal/modules/cjs/loader.js:1114:10)
at Module.load (internal/modules/cjs/loader.js:950:32)
at Function.Module._load (internal/modules/cjs/loader.js:791:14)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)
at internal/main/run_main_module.js:17:47 {
generatedMessage: false,
code: ‘ERR_ASSERTION’,
actual: false,
expected: true,
operator: ‘==’
}
[nodemon] app crashed - waiting for file changes before starting…