问一个错误[nodemon]应用程序崩溃--在启动之前等待文件更改。

EN

TypeError: Cannot read property 'get' of undefined
    at Object.<anonymous> (F:\2020 technologies\node\curd_app\server\routes\router.js:11:7)
    at Module._compile (internal/modules/cjs/loader.js:1137:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10)
    at Module.load (internal/modules/cjs/loader.js:985:32)
    at Function.Module._load (internal/modules/cjs/loader.js:878:14)
    at Module.require (internal/modules/cjs/loader.js:1025:19)
    at require (internal/modules/cjs/helpers.js:72:18)
    at Object.<anonymous> (F:\2020 technologies\node\curd_app\server.js:29:13)
    at Module._compile (internal/modules/cjs/loader.js:1137:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10)
[nodemon] app crashed - waiting for file changes before starting...

route.get('/',services.homeRoutes); //this is line 11



route.get('/add-user',services.add_user)



route.get('/update-user',services.update_user)

module.exports = route

exports.homeRoutes = (req,res) => {
    res.render('index');
}

exports.add_user = (req,res) =>{
    res.render('add_user');
}

exports.update_user = (req,res) =>{
    res.render('update_user');
}