配置路径之前浏览器都打开了,但是换到demo8的时候,打不开,第一次遇到这个情况

下面是我写的路径,之前的都可以打开,但是到demo8的时候就不行了,换着打开其他的,也是不行
import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
// 第二种配值书写方式
import Demo1 from '@/pages/demo1/index.vue'
import Demo2 from '@/pages/demo2/index.vue'
import Demo3 from '@/pages/demo3/index.vue'
import Demo4 from '@/pages/demo4/index.vue'
import Demo5 from '@/pages/demo5/index.vue'
import Demo6 from '@/pages/demo6/index.vue'
import Demo7 from '@/pages/demo7/index.vue'
import Demo24 from '@/pages/demo2-4/index2-4.vue'
import Demo26 from '@/pages/demo2-6/index2-6.vue'
import Demo212 from '@/pages/demo2-12/index2-12.vue'
import Demo8 from '@/pages/demo8/index.vue'
Vue.use(Router)
export default new Router({
routes: [
{
path: '/',
name: 'HelloWorld',
component: HelloWorld
},
{
path:'/demo1',
// 地址栏
name:'demo1',
// 命名
component:Demo1
},
{
path:'/demo2',
// 地址栏
name:'demo2',
// 命名
component:Demo2
},
{
path:'/demo3',
name:'demo3',
component:Demo3
},
{
path:'/demo4',
name:'demo3',
component:Demo4
},
{
path:'/demo5',
name:'demo5',
component:Demo5
},
{
path:'/demo6',
name:'demo6',
component:Demo6
},
{
path:'/demo7',
name:'demo7',
component:Demo7
},
{
path:'/demo2-4',
name:'demo2-4',
component:Demo24
},
{
path:'/demo2-6',
name:'demo2-6',
component:Demo26
},
{
path:'/demo2-12',
name:'demo2-12',
component:Demo212
},
{
path:'/demo8',
name:'demo8',
component:Demo8
}
]
})