個人理解：在控制檯看到原本admin/index.vue 自動轉成了 admin/index.vue.ts
解決辦法：
{
test: /\.vue$/,
loader: 'vue-loader',
options: {
loaders: {
css: 'vue-style-loader!css-loader',
less: 'vue-style-loader!css-loader!less-loader',
ts: [
{
loader: 'ts-loader',
options: {
appendTsSuffixTo: [/\.vue$/]
}
}
]
},
}
},