图标修改，cookie测试

src/components/pages/NoPermission.vue

@@ -13,6 +13,11 @@ export default {
     return {}
   },
   watch: {},
+  created: function () {
+    console.log(document.cookie)
+    document.cookie="username=John Doe; expires=Thu, 18 Dec 2043 12:00:00 GMT";
+    console.log(document.cookie)
+  },
   computed: {},
   methods: {},
   mounted () {}