修改路由文件

在 src/router/index.js

import Vue from "vue";
import VueRouter from "vue-router";
import Layout from "@/views/layout/IndexView";

Vue.use(VueRouter);

const routes = [
  {
    path: "/sign_in",
    component: () => import("@/views/auth/SignIn"),
    meta: { title: "登录" },
  },
  // 无权限访问
  {
    path: "/401", 
    component: () => import("@/views/error-page/Page401View"),
    meta: { title: "401" },
  },
  {
    path: "/",
    component: Layout,
    chil...