更新ui样式，并修复已知问题 (#8)

Reviewed-on: #8

src/views/system/AuthRequiredView.vue

@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { computed } from 'vue'
-import { NButton } from 'naive-ui'
+import { NButton, NIcon } from 'naive-ui'
+import { Lock } from '@vicons/tabler'
 import { RouterLink, useRoute } from 'vue-router'
 
 const route = useRoute()
@@ -30,7 +31,7 @@ const description = computed(() => {
 <template>
   <div class="oc-system-page">
     <div class="oc-system-card">
-      <div class="text-7xl leading-none">🔐</div>
+      <NIcon size="72" class="text-sky-600"><Lock /></NIcon>
       <p class="mt-6 text-sm font-medium uppercase tracking-[0.24em] text-sky-600">401 Login Required</p>
       <h1 class="oc-page-title">{{ title }}</h1>
       <p class="oc-page-description mx-auto max-w-xl">