chore: 添加注释

src/router/index.js

@@ -25,11 +25,13 @@ const address = [
 
 const routes = [
   {
+    // 主页
     path: '/',
     name: 'Main',
     component: Main,
   },
   {
+    // 重庆子页
     path: '/chongqing',
     redirect: '/city',
     component: DefaultLayout,