diff --git a/web/src/components/layout/ShellLayout.vue b/web/src/components/layout/ShellLayout.vue
index 0706cad..c7ff140 100644
--- a/web/src/components/layout/ShellLayout.vue
+++ b/web/src/components/layout/ShellLayout.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, ref } from 'vue'
-import { useRouter } from 'vue-router'
+import { useRoute, useRouter } from 'vue-router'
 import { PhList } from '@phosphor-icons/vue'
 import { useAuthStore } from '@/stores/auth'
 import { fmtMoney } from '@/lib/format'
@@ -9,14 +9,52 @@ import ThemeToggle from '@/components/ui/ThemeToggle.vue'
 interface NavItem {
   to: string
   label: string
+  jump?: boolean // 跨区跳转（如 进入管理 / 返回控制台），不做激活态
 }
-defineProps<{ sections: { title: string; items: NavItem[] }[] }>()
 
 const auth = useAuthStore()
+const route = useRoute()
 const router = useRouter()
 const balance = computed(() => fmtMoney(auth.user?.balance ?? 0))
 const sidebarOpen = ref(false)
 
+// 按所在分区显示对应菜单：用户控制台 / 管理后台，二者不混排
+const isAdminSection = computed(() => route.path.startsWith('/admin'))
+
+const sections = computed(() => {
+  if (isAdminSection.value) {
+    return [
+      {
+        title: '管理后台',
+        items: [
+          { to: '/admin/overview', label: '总览' },
+          { to: '/admin/channels', label: '渠道管理' },
+          { to: '/admin/models', label: '模型定价' },
+          { to: '/admin/users', label: '用户管理' },
+          { to: '/admin/usage', label: '用量统计' },
+          { to: '/admin/config', label: '系统配置' },
+        ],
+      },
+      { title: '用户', items: [{ to: '/console/dashboard', label: '返回控制台', jump: true }] },
+    ]
+  }
+  const user: { title: string; items: NavItem[] }[] = [
+    {
+      title: '管理',
+      items: [
+        { to: '/console/dashboard', label: '仪表盘' },
+        { to: '/console/keys', label: 'API 密钥' },
+        { to: '/console/usage', label: '用量明细' },
+        { to: '/console/settings', label: '账户设置' },
+      ],
+    },
+  ]
+  if (auth.isAdmin) {
+    user[0].items.push({ to: '/admin/overview', label: '管理', jump: true })
+  }
+  return user
+})
+
 function navTo() {
   sidebarOpen.value = false
 }
@@ -55,14 +93,20 @@ async function logout() {
             v-for="n in sec.items"
             :key="n.to"
             :to="n.to"
-            class="mb-0.5 flex items-center rounded-md px-2 py-1.5 text-sm text-muted transition hover:bg-surface2 hover:text-ink"
-            active-class="bg-surface2 text-ink"
+            class="mb-0.5 flex items-center justify-between rounded-md px-2 py-1.5 text-sm text-muted transition hover:bg-surface2 hover:text-ink"
+            :class="n.jump ? 'text-xs' : ''"
+            :active-class="n.jump ? '' : 'bg-surface2 text-ink'"
             @click="navTo"
           >
-            {{ n.label }}
+            <span>{{ n.label }}</span>
+            <span v-if="n.jump" class="opacity-60" aria-hidden="true">→</span>
           </router-link>
         </template>
       </nav>
+
+      <div class="border-t border-edge px-3 py-3">
+        <p class="px-2 font-mono text-[11px] text-muted">{{ auth.user?.username }}</p>
+      </div>
     </aside>
 
     <div class="flex min-h-[100dvh] flex-1 flex-col md:ml-56">
diff --git a/web/src/router/index.ts b/web/src/router/index.ts
index c01a69c..e551352 100644
--- a/web/src/router/index.ts
+++ b/web/src/router/index.ts
@@ -1,6 +1,8 @@
 import { createRouter, createWebHistory } from 'vue-router'
 import { useAuthStore } from '@/stores/auth'
 
+const ShellLayout = () => import('@/components/layout/ShellLayout.vue')
+
 export const router = createRouter({
   history: createWebHistory(),
   routes: [
@@ -9,18 +11,19 @@ export const router = createRouter({
     { path: '/register', name: 'register', component: () => import('@/views/RegisterView.vue'), meta: { guest: true } },
     {
       path: '/console',
-      component: () => import('@/views/console/ConsoleLayout.vue'),
+      component: ShellLayout,
       meta: { auth: true },
       children: [
         { path: '', redirect: '/console/dashboard' },
         { path: 'dashboard', name: 'dashboard', component: () => import('@/views/console/DashboardView.vue') },
         { path: 'keys', name: 'keys', component: () => import('@/views/console/KeysView.vue') },
         { path: 'usage', name: 'usage', component: () => import('@/views/console/UsageView.vue') },
+        { path: 'settings', name: 'settings', component: () => import('@/views/console/SettingsView.vue') },
       ],
     },
     {
       path: '/admin',
-      component: () => import('@/views/admin/AdminLayout.vue'),
+      component: ShellLayout,
       meta: { auth: true, admin: true },
       children: [
         { path: '', redirect: '/admin/overview' },
@@ -28,6 +31,7 @@ export const router = createRouter({
         { path: 'channels', name: 'admin-channels', component: () => import('@/views/admin/ChannelsView.vue') },
         { path: 'models', name: 'admin-models', component: () => import('@/views/admin/ModelsView.vue') },
         { path: 'users', name: 'admin-users', component: () => import('@/views/admin/UsersView.vue') },
+        { path: 'usage', name: 'admin-usage', component: () => import('@/views/admin/UsageView.vue') },
         { path: 'config', name: 'admin-config', component: () => import('@/views/admin/ConfigView.vue') },
       ],
     },
diff --git a/web/src/views/admin/AdminLayout.vue b/web/src/views/admin/AdminLayout.vue
deleted file mode 100644
index 7be6f6e..0000000
--- a/web/src/views/admin/AdminLayout.vue
+++ /dev/null
@@ -1,32 +0,0 @@
-<script setup lang="ts">
-import { computed } from 'vue'
-import { useAuthStore } from '@/stores/auth'
-import ShellLayout from '@/components/layout/ShellLayout.vue'
-
-const auth = useAuthStore()
-const sections = computed(() => {
-  const s: { title: string; items: { to: string; label: string }[] }[] = [
-    { title: '管理', items: [
-      { to: '/admin/overview', label: '运营总览' },
-      { to: '/admin/channels', label: '渠道' },
-      { to: '/admin/models', label: '模型与定价' },
-      { to: '/admin/users', label: '用户' },
-      { to: '/admin/config', label: '系统配置' },
-    ] },
-  ]
-  if (auth.user) {
-    s.push({ title: '控制台', items: [
-      { to: '/console/dashboard', label: '仪表盘' },
-      { to: '/console/keys', label: 'API Keys' },
-      { to: '/console/usage', label: '用量' },
-    ] })
-  }
-  return s
-})
-</script>
-
-<template>
-  <ShellLayout :sections="sections">
-    <router-view />
-  </ShellLayout>
-</template>
diff --git a/web/src/views/admin/UsageView.vue b/web/src/views/admin/UsageView.vue
new file mode 100644
index 0000000..3074148
--- /dev/null
+++ b/web/src/views/admin/UsageView.vue
@@ -0,0 +1,104 @@
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import { http, errMsg } from '@/api/client'
+import { useToastStore } from '@/stores/toast'
+import { protocolName } from '@/lib/protocol'
+import { fmtCost, fmtTime } from '@/lib/format'
+import Badge from '@/components/ui/Badge.vue'
+import Button from '@/components/ui/Button.vue'
+import type { UsageLog } from '@/types'
+
+const toast = useToastStore()
+const logs = ref<UsageLog[]>([])
+const total = ref(0)
+const page = ref(1)
+const modelFilter = ref('')
+const pageSize = 15
+
+async function load() {
+  try {
+    const { data } = await http.get(
+      `/admin/usage?page=${page.value}&page_size=${pageSize}${modelFilter.value ? '&model=' + modelFilter.value : ''}`,
+    )
+    logs.value = data.data.items
+    total.value = data.data.total
+  } catch (e) {
+    toast.err(errMsg(e))
+  }
+}
+
+function search() {
+  page.value = 1
+  load()
+}
+
+function goPage(p: number) {
+  page.value = p
+  load()
+}
+
+onMounted(load)
+</script>
+
+<template>
+  <div class="mx-auto max-w-6xl">
+    <div class="mb-6 flex items-center justify-between">
+      <div>
+        <h1 class="text-lg font-semibold">用量统计</h1>
+        <p class="text-sm text-muted">全局请求明细与成本</p>
+      </div>
+      <div class="flex gap-2">
+        <input
+          v-model="modelFilter"
+          placeholder="按模型过滤"
+          class="h-10 w-48 rounded-md border border-edge2 bg-surface px-3 font-mono text-xs outline-none focus:border-accent"
+          @keyup.enter="search"
+        />
+        <Button variant="ghost" @click="search">搜索</Button>
+      </div>
+    </div>
+
+    <div class="card">
+      <div class="overflow-x-auto">
+        <table class="w-full text-sm">
+          <thead>
+            <tr class="border-b border-edge text-left text-xs text-muted">
+              <th scope="col" class="px-4 py-2.5 font-medium">用户</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">模型</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">API 格式</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">Token 入/出</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">成本</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">耗时</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">状态</th>
+              <th scope="col" class="px-4 py-2.5 font-medium">时间</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="l in logs" :key="l.id" class="table-row">
+              <td class="px-4 py-2.5 text-xs text-ink">{{ l.user }}</td>
+              <td class="px-4 py-2.5 font-mono text-xs text-ink">{{ l.model }}</td>
+              <td class="px-4 py-2.5 font-mono text-xs text-muted">{{ protocolName(l.protocol) }}</td>
+              <td class="px-4 py-2.5 mono-num text-xs text-muted">{{ l.input_tokens }}/{{ l.output_tokens }}</td>
+              <td class="px-4 py-2.5 mono-num text-xs text-ink">{{ fmtCost(l.cost) }}</td>
+              <td class="px-4 py-2.5 mono-num text-xs text-muted">{{ l.latency_ms }}ms</td>
+              <td class="px-4 py-2.5">
+                <Badge :variant="l.status === 'success' ? 'ok' : 'err'">{{ l.status }}</Badge>
+              </td>
+              <td class="px-4 py-2.5 font-mono text-xs text-muted">{{ fmtTime(l.created_at) }}</td>
+            </tr>
+            <tr v-if="logs.length === 0">
+              <td colspan="8" class="px-4 py-10 text-center text-sm text-muted">暂无请求记录</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+      <div class="flex items-center justify-between border-t border-edge px-4 py-3">
+        <span class="font-mono text-xs text-muted">共 {{ total }} 条</span>
+        <div class="flex gap-2">
+          <Button size="sm" variant="ghost" :disabled="page <= 1" @click="goPage(page - 1)">上一页</Button>
+          <Button size="sm" variant="ghost" :disabled="page * pageSize >= total" @click="goPage(page + 1)">下一页</Button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
diff --git a/web/src/views/console/ConsoleLayout.vue b/web/src/views/console/ConsoleLayout.vue
deleted file mode 100644
index a4d5e2b..0000000
--- a/web/src/views/console/ConsoleLayout.vue
+++ /dev/null
@@ -1,38 +0,0 @@
-<script setup lang="ts">
-import { computed } from 'vue'
-import { useAuthStore } from '@/stores/auth'
-import ShellLayout from '@/components/layout/ShellLayout.vue'
-
-const auth = useAuthStore()
-const sections = computed(() => {
-  const s: { title: string; items: { to: string; label: string }[] }[] = [
-    {
-      title: '控制台',
-      items: [
-        { to: '/console/dashboard', label: '仪表盘' },
-        { to: '/console/keys', label: 'API Keys' },
-        { to: '/console/usage', label: '用量' },
-      ],
-    },
-  ]
-  if (auth.isAdmin) {
-    s.push({
-      title: '管理',
-      items: [
-        { to: '/admin/overview', label: '运营总览' },
-        { to: '/admin/channels', label: '渠道' },
-        { to: '/admin/models', label: '模型与定价' },
-        { to: '/admin/users', label: '用户' },
-        { to: '/admin/config', label: '系统配置' },
-      ],
-    })
-  }
-  return s
-})
-</script>
-
-<template>
-  <ShellLayout :sections="sections">
-    <router-view />
-  </ShellLayout>
-</template>