feat: 优化

frontend/app/web-gold/src/components/TopNav.vue

@@ -2,6 +2,7 @@
 import { computed } from 'vue'
 import { useUserStore } from '@/stores/user'
 import UserDropdown from '@/components/UserDropdown.vue'
+import BrandLogo from '@/components/BrandLogo.vue'
 
 const styles = {
   background: 'var(--color-gray-900)',
@@ -22,7 +23,7 @@ const shouldShowUser = computed(() => {
     <div>
       <div class="h-[70px] flex items-center">
         <div class="flex items-center gap-3 flex-1 pl-[30px]">
-          <!-- 左侧可放 logo 或其他内容 -->
+          <BrandLogo :size="40" />
         </div>
         <div class="flex items-center gap-4 pr-[35px]">
           <template v-if="shouldShowUser">