修复 默认首页

src/layout/default/index.vue

         this.$router.push({
           name: 'login',
           query: {
-            from: this.$route.name,
+            from: 'indexWelcome', // this.$route.name
           }
         })
       })

src/router.js

 router.beforeEach((to, from, next) => {
   NProgress.start()
 
+  console.log(to)
   const toLogin = { name: 'login', query: { from: to.name } }
   const toIndex = { name: 'index' }
   const to403 = { name: 'norights' }

src/views/Login.vue

     submit() {
       this.login({ username: this.formdata.username, password: md5(this.formdata.password) }).then(() => {
         this.$router.push({ name: this.fromRoute })
-        // 默认进入欢迎语页面
-        this.$router.push({ name: 'indexWelcome' })
       }).catch((err) => {
         this.$message({
           showClose: true,