refactor: 路由代码优化和完善注释

Former-commit-id: 859d3b74927b032ad265170d6e6ffd821b3fa0d3

src/store/modules/permission.ts

@@ -46,6 +46,7 @@ const filterAsyncRoutes = (routes: RouteRecordRaw[], roles: string[]) => {
     if (hasPermission(roles, tmpRoute)) {
       if (tmpRoute.component?.toString() == 'Layout') {
         tmpRoute.component = Layout;
+        console.log();
       } else {
         const component = modules[`../../views/${tmpRoute.component}.vue`];
         if (component) {