diff --git a/app/components/admin/AdminSidebarNav.vue b/app/components/admin/AdminSidebarNav.vue
new file mode 100644
index 0000000..4c2d3c7
--- /dev/null
+++ b/app/components/admin/AdminSidebarNav.vue
@@ -0,0 +1,158 @@
+<script setup lang="ts">
+export interface NavItem {
+  label: string
+  to?: string
+  icon?: string
+  children?: NavItem[]
+}
+
+defineProps<{
+  nav: NavItem[]
+}>()
+
+const expandedMenus = ref<Set<string>>(new Set())
+
+const toggleMenu = (label: string) => {
+  if (expandedMenus.value.has(label)) {
+    expandedMenus.value.delete(label)
+  } else {
+    expandedMenus.value.add(label)
+  }
+}
+
+const isExpanded = (label: string) => expandedMenus.value.has(label)
+</script>
+
+<template>
+  <nav class="sidebar-nav">
+    <template v-for="item in nav" :key="item.label">
+      <div v-if="item.children" class="nav-group">
+        <button
+          class="sidebar-link nav-group-header"
+          :class="{ expanded: isExpanded(item.label) }"
+          @click="toggleMenu(item.label)"
+        >
+          <Icon v-if="item.icon" :name="item.icon" class="sidebar-icon" />
+          <span class="sidebar-link-label">{{ item.label }}</span>
+          <Icon class="nav-chevron" name="lucide:chevron-down" />
+        </button>
+        <div v-show="isExpanded(item.label)" class="nav-children">
+          <NuxtLink
+            v-for="child in item.children"
+            :key="child.to"
+            :to="child.to"
+            class="sidebar-link sidebar-link-child"
+            active-class="active"
+          >
+            <span class="sidebar-link-label">{{ child.label }}</span>
+          </NuxtLink>
+        </div>
+      </div>
+      <NuxtLink
+        v-else
+        :to="item.to"
+        class="sidebar-link"
+        active-class="active"
+      >
+        <Icon v-if="item.icon" :name="item.icon" class="sidebar-icon" />
+        <span class="sidebar-link-label">{{ item.label }}</span>
+      </NuxtLink>
+    </template>
+  </nav>
+</template>
+
+<style scoped>
+.sidebar-nav {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  padding: 16px 12px;
+  flex: 1;
+}
+
+.sidebar-link {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 12px;
+  border-radius: 8px;
+  text-decoration: none;
+  color: var(--color-on-dark-soft);
+  font-size: 14px;
+  font-weight: 500;
+  transition: all 0.15s ease;
+}
+
+.sidebar-link:hover {
+  background: rgba(255, 255, 255, 0.06);
+  color: var(--color-on-dark);
+}
+
+.sidebar-link.active {
+  background: var(--color-primary);
+  color: var(--color-on-primary);
+}
+
+.sidebar-icon {
+  width: 18px;
+  height: 18px;
+  flex-shrink: 0;
+  opacity: 0.7;
+}
+
+.sidebar-link:hover .sidebar-icon,
+.sidebar-link.active .sidebar-icon {
+  opacity: 1;
+}
+
+.nav-group {
+  display: flex;
+  flex-direction: column;
+}
+
+.nav-group-header {
+  width: 100%;
+  justify-content: flex-start;
+  text-align: left;
+}
+
+.nav-chevron {
+  width: 14px;
+  height: 14px;
+  margin-left: auto;
+  flex-shrink: 0;
+  opacity: 0.6;
+  transition: transform 0.2s ease;
+}
+
+.nav-group-header.expanded .nav-chevron {
+  transform: rotate(180deg);
+}
+
+.nav-children {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  padding-left: 38px;
+  margin-top: 2px;
+}
+
+.sidebar-link-child {
+  padding: 8px 12px;
+  font-size: 13px;
+}
+
+.sidebar-link-child::before {
+  content: '';
+  width: 4px;
+  height: 4px;
+  border-radius: 50%;
+  background: var(--color-on-dark-soft);
+  margin-right: 8px;
+  flex-shrink: 0;
+}
+
+.sidebar-link-child.active::before {
+  background: var(--color-on-primary);
+}
+</style>
diff --git a/app/pages/admin.vue b/app/pages/admin.vue
index b622513..1c2d1fa 100644
--- a/app/pages/admin.vue
+++ b/app/pages/admin.vue
@@ -1,28 +1,33 @@
 <script setup lang="ts">
+import type { NavItem } from '~/components/admin/AdminSidebarNav.vue'
+
 definePageMeta({
   layout: false
 })
 const { user, clear } = useAuthSession()
 
-const adminNav = [
+const adminNav: NavItem[] = [
   {
     label: '仪表盘',
     to: '/admin/dashboard',
-    icon: 'dashboard'
+    icon: 'lucide:layout-dashboard'
   },
   {
     label: '定时任务',
     to: '/admin/scheduler',
-    icon: 'schedule'
+    icon: 'lucide:clock'
+  },
+  {
+    label: '系统管理',
+    icon: 'lucide:settings',
+    children: [
+      { label: '用户管理', to: '/admin/users' },
+      { label: '角色管理', to: '/admin/roles' },
+      { label: '操作日志', to: '/admin/logs' },
+    ]
   },
 ]
 
-const iconPaths: Record<string, string> = {
-  dashboard: 'M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6',
-  schedule: 'M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z',
-  user: 'M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z',
-}
-
 const logout = async () => {
   await clear()
   navigateTo("/")
@@ -36,34 +41,17 @@ const logout = async () => {
         <div class="sidebar-header">
           <NuxtLink to="/admin/dashboard" class="brand-link">
             <span class="brand-icon">
-              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
-                <path d="M13 10V3L4 14h7v7l9-11h-7z" stroke-linecap="round" stroke-linejoin="round"/>
-              </svg>
+              <Icon name="lucide:line-chart" />
             </span>
             <span class="brand-name">管理后台</span>
           </NuxtLink>
         </div>
 
-        <nav class="sidebar-nav">
-          <NuxtLink
-            v-for="item in adminNav"
-            :key="item.to"
-            :to="item.to"
-            class="sidebar-link"
-            active-class="active"
-          >
-            <svg class="sidebar-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
-              <path :d="iconPaths[item.icon]" stroke-linecap="round" stroke-linejoin="round"/>
-            </svg>
-            <span class="sidebar-link-label">{{ item.label }}</span>
-          </NuxtLink>
-        </nav>
+        <AdminSidebarNav :nav="adminNav" />
 
         <div class="sidebar-footer">
           <NuxtLink to="/" class="home-link">
-            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
-              <path d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" stroke-linecap="round" stroke-linejoin="round"/>
-            </svg>
+            <Icon name="lucide:home" />
             返回首页
           </NuxtLink>
           <NuxtLink is="div" class="user-section" to="/admin/profile" v-if="user">
@@ -75,9 +63,7 @@ const logout = async () => {
               <span class="user-role">{{ user.role === "user" ? "普通用户" : "管理员" }}</span>
             </div>
             <button class="logout-btn" @click.stop.prevent="logout" title="退出登录">
-              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
-                <path d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" stroke-linecap="round" stroke-linejoin="round"/>
-              </svg>
+              <Icon name="lucide:log-out" />
             </button>
           </NuxtLink>
         </div>
@@ -135,7 +121,7 @@ const logout = async () => {
   justify-content: center;
 }
 
-.brand-icon svg {
+.brand-icon :deep(svg) {
   width: 18px;
   height: 18px;
   color: var(--color-on-primary);
@@ -148,49 +134,6 @@ const logout = async () => {
   letter-spacing: -0.01em;
 }
 
-.sidebar-nav {
-  display: flex;
-  flex-direction: column;
-  gap: 2px;
-  padding: 16px 12px;
-  flex: 1;
-}
-
-.sidebar-link {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  padding: 10px 12px;
-  border-radius: 8px;
-  text-decoration: none;
-  color: var(--color-on-dark-soft);
-  font-size: 14px;
-  font-weight: 500;
-  transition: all 0.15s ease;
-}
-
-.sidebar-link:hover {
-  background: rgba(255, 255, 255, 0.06);
-  color: var(--color-on-dark);
-}
-
-.sidebar-link.active {
-  background: var(--color-primary);
-  color: var(--color-on-primary);
-}
-
-.sidebar-icon {
-  width: 18px;
-  height: 18px;
-  flex-shrink: 0;
-  opacity: 0.7;
-}
-
-.sidebar-link:hover .sidebar-icon,
-.sidebar-link.active .sidebar-icon {
-  opacity: 1;
-}
-
 .sidebar-footer {
   padding: 16px 12px;
   border-top: 1px solid rgba(255, 255, 255, 0.06);
@@ -217,7 +160,7 @@ const logout = async () => {
   color: var(--color-on-dark);
 }
 
-.home-link svg {
+.home-link :deep(svg) {
   width: 16px;
   height: 16px;
 }
@@ -288,7 +231,7 @@ const logout = async () => {
   color: #c64545;
 }
 
-.logout-btn svg {
+.logout-btn :deep(svg) {
   width: 16px;
   height: 16px;
 }
diff --git a/app/pages/admin/profile/index.vue b/app/pages/admin/profile/index.vue
index 9490f3e..a4c4382 100644
--- a/app/pages/admin/profile/index.vue
+++ b/app/pages/admin/profile/index.vue
@@ -8,13 +8,9 @@ const form = reactive({
 })
 
 const saving = ref(false)
-const success = ref(false)
-const error = ref('')
 
 async function handleSave() {
   saving.value = true
-  error.value = ''
-  success.value = false
 
   try {
     await updateProfile({
@@ -22,10 +18,8 @@ async function handleSave() {
       email: form.email,
       nickname: form.nickname,
     })
-    success.value = true
-    setTimeout(() => { success.value = false }, 3000)
   } catch (err: any) {
-    error.value = err?.data?.message || err?.message || '保存失败'
+    // updateProfile 内部已有 toast，错误 toast 由 API 统一处理
   } finally {
     saving.value = false
   }
@@ -51,14 +45,12 @@ async function handleSave() {
       </div>
 
       <form class="profile-form" @submit.prevent="handleSave">
-        <div v-if="error" class="alert alert-error">{{ error }}</div>
-        <div v-if="success" class="alert alert-success">保存成功</div>
-
         <div class="form-row">
           <div class="form-group">
-            <label class="form-label">用户名</label>
+            <label class="form-label">用户名(不可修改)</label>
             <input
               v-model="form.username"
+              disabled
               type="text"
               class="form-input"
               placeholder="输入用户名"
@@ -234,22 +226,6 @@ async function handleSave() {
   gap: 16px;
 }
 
-.alert {
-  padding: 12px 16px;
-  border-radius: 8px;
-  font-size: 14px;
-}
-
-.alert-error {
-  background: rgba(198, 69, 69, 0.08);
-  color: var(--color-error);
-}
-
-.alert-success {
-  background: rgba(93, 184, 114, 0.12);
-  color: var(--color-success);
-}
-
 .form-group {
   display: flex;
   flex-direction: column;
diff --git a/bun.lock b/bun.lock
index e000a57..f055caf 100644
--- a/bun.lock
+++ b/bun.lock
@@ -6,6 +6,7 @@
       "name": "person-panel",
       "dependencies": {
         "@libsql/client": "0.17.3",
+        "@nuxt/icon": "2.2.2",
         "bcryptjs": "3.0.3",
         "cache": "workspace:*",
         "croner": "10.0.1",
@@ -34,7 +35,7 @@
         "tsconfig": "workspace:*",
         "tsx": "4.21.0",
         "typescript": "6.0.2",
-        "vue3-toastify": "^0.2.9",
+        "vue3-toastify": "0.2.9",
       },
     },
     "packages/cache": {
@@ -58,6 +59,8 @@
     },
   },
   "packages": {
+    "@antfu/install-pkg": ["@antfu/install-pkg@1.1.0", "", { "dependencies": { "package-manager-detector": "^1.3.0", "tinyexec": "^1.0.1" } }, "sha512-MGQsmw10ZyI+EJo45CdSER4zEb+p31LpDAFp2Z3gkSd1yqVZGi0Ebx++YTEMonJy4oChEMLsxZ64j8FH6sSqtQ=="],
+
     "@babel/code-frame": ["@babel/code-frame@7.29.0", "https://registry.npmmirror.com/@babel/code-frame/-/code-frame-7.29.0.tgz", { "dependencies": { "@babel/helper-validator-identifier": "^7.28.5", "js-tokens": "^4.0.0", "picocolors": "^1.1.1" } }, "sha512-9NhCeYjq9+3uxgdtp20LSiJXJvN0FeCtNGpJxuMFZ1Kv3cWUNb6DOhJwUvcVCzKGR66cw4njwM6hrJLqgOwbcw=="],
 
     "@babel/compat-data": ["@babel/compat-data@7.29.0", "https://registry.npmmirror.com/@babel/compat-data/-/compat-data-7.29.0.tgz", {}, "sha512-T1NCJqT/j9+cn8fvkt7jtwbLBfLC/1y1c7NtCeXFRgzGTsafi68MRv8yzkYSapBnFA6L3U2VSc02ciDzoAJhJg=="],
@@ -188,6 +191,14 @@
 
     "@esbuild/win32-x64": ["@esbuild/win32-x64@0.25.12", "https://registry.npmmirror.com/@esbuild/win32-x64/-/win32-x64-0.25.12.tgz", { "os": "win32", "cpu": "x64" }, "sha512-alJC0uCZpTFrSL0CCDjcgleBXPnCrEAhTBILpeAp7M/OFgoqtAetfBzX0xM00MUsVVPpVjlPuMbREqnZCXaTnA=="],
 
+    "@iconify/collections": ["@iconify/collections@1.0.689", "", { "dependencies": { "@iconify/types": "*" } }, "sha512-/XdTbQnsxfvpNvZvPCI2TGZHxem40PjUZ6IXoGA4M5QugVNN+l311l4PWyxECXOt95iFoKA8ZcHzyZVWFW9OFw=="],
+
+    "@iconify/types": ["@iconify/types@2.0.0", "", {}, "sha512-+wluvCrRhXrhyOmRDJ3q8mux9JkKy5SJ/v8ol2tu4FVjyYvtEzkc/3pK15ET6RKg4b4w4BmTk1+gsCUhf21Ykg=="],
+
+    "@iconify/utils": ["@iconify/utils@3.1.3", "", { "dependencies": { "@antfu/install-pkg": "^1.1.0", "@iconify/types": "^2.0.0", "import-meta-resolve": "^4.2.0" } }, "sha512-LPKOXPn/zV+zis1oOfGWogaXVpqUybF3ZS6SCZIsz8vg0ivVp9+fVqyYB7xq0aiST/VhUQYGO1qo6uoYSiEJqw=="],
+
+    "@iconify/vue": ["@iconify/vue@5.0.1", "", { "dependencies": { "@iconify/types": "^2.0.0" }, "peerDependencies": { "vue": ">=3.0.0" } }, "sha512-aumwwooJlFJ5H5qYWB6ZTAyM0C8hpfcSVLB9/a3qnH1GGvIJ+FEbpEs4s/HfErYe/M5qZeLjwmESR5fFm3lXEw=="],
+
     "@ioredis/commands": ["@ioredis/commands@1.5.1", "https://registry.npmmirror.com/@ioredis/commands/-/commands-1.5.1.tgz", {}, "sha512-JH8ZL/ywcJyR9MmJ5BNqZllXNZQqQbnVZOqpPQqE1vHiFgAw4NHbvE0FOduNU8IX9babitBT46571OnPTT0Zcw=="],
 
     "@isaacs/cliui": ["@isaacs/cliui@8.0.2", "https://registry.npmmirror.com/@isaacs/cliui/-/cliui-8.0.2.tgz", { "dependencies": { "string-width": "^5.1.2", "string-width-cjs": "npm:string-width@^4.2.0", "strip-ansi": "^7.0.1", "strip-ansi-cjs": "npm:strip-ansi@^6.0.1", "wrap-ansi": "^8.1.0", "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0" } }, "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA=="],
@@ -258,6 +269,8 @@
 
     "@nuxt/devtools-wizard": ["@nuxt/devtools-wizard@3.2.4", "https://registry.npmmirror.com/@nuxt/devtools-wizard/-/devtools-wizard-3.2.4.tgz", { "dependencies": { "@clack/prompts": "^1.1.0", "consola": "^3.4.2", "diff": "^8.0.3", "execa": "^8.0.1", "magicast": "^0.5.2", "pathe": "^2.0.3", "pkg-types": "^2.3.0", "semver": "^7.7.4" }, "bin": { "devtools-wizard": "cli.mjs" } }, "sha512-5tu2+Quu9XTxwtpzM8CUN0UKn/bzZIfJcoGd+at5Yy1RiUQJ4E52tRK0idW1rMSUDkbkvX3dSnu8Tpj7SAtWdQ=="],
 
+    "@nuxt/icon": ["@nuxt/icon@2.2.2", "", { "dependencies": { "@iconify/collections": "^1.0.679", "@iconify/types": "^2.0.0", "@iconify/utils": "^3.1.1", "@iconify/vue": "^5.0.0", "@nuxt/devtools-kit": "^3.2.4", "@nuxt/kit": "^4.4.4", "consola": "^3.4.2", "local-pkg": "^1.1.2", "mlly": "^1.8.2", "ohash": "^2.0.11", "pathe": "^2.0.3", "picomatch": "^4.0.4", "std-env": "^4.1.0", "tinyglobby": "^0.2.16" } }, "sha512-K9wINW21M9x5GcKF5JEXzPKAT/Kfxl/vdnEyppw54hh5qoLcdi5HmsYoTfDP9gbJ6Z1T6IdH5JxBWk72HMe1Zg=="],
+
     "@nuxt/kit": ["@nuxt/kit@4.4.5", "https://registry.npmmirror.com/@nuxt/kit/-/kit-4.4.5.tgz", { "dependencies": { "c12": "^3.3.4", "consola": "^3.4.2", "defu": "^6.1.7", "destr": "^2.0.5", "errx": "^0.1.0", "exsolve": "^1.0.8", "ignore": "^7.0.5", "jiti": "^2.6.1", "klona": "^2.0.6", "mlly": "^1.8.2", "ohash": "^2.0.11", "pathe": "^2.0.3", "pkg-types": "^2.3.1", "rc9": "^3.0.1", "scule": "^1.3.0", "semver": "^7.7.4", "tinyglobby": "^0.2.16", "ufo": "^1.6.4", "unctx": "^2.5.0", "untyped": "^2.0.0" } }, "sha512-J0BpoOomzd3iVZozYlZJ7AwAVliXRgeChZnAkQLfg8d0h/Q+aMK9kkHuhwFULASaRn5idiD4BIhOUz7/uoLbSw=="],
 
     "@nuxt/nitro-server": ["@nuxt/nitro-server@4.4.5", "https://registry.npmmirror.com/@nuxt/nitro-server/-/nitro-server-4.4.5.tgz", { "dependencies": { "@babel/plugin-syntax-typescript": "^7.28.6", "@nuxt/devalue": "^2.0.2", "@nuxt/kit": "4.4.5", "@unhead/vue": "^2.1.13", "@vue/shared": "^3.5.33", "consola": "^3.4.2", "defu": "^6.1.7", "destr": "^2.0.5", "devalue": "^5.8.0", "errx": "^0.1.0", "escape-string-regexp": "^5.0.0", "exsolve": "^1.0.8", "h3": "^1.15.11", "impound": "^1.1.5", "klona": "^2.0.6", "mocked-exports": "^0.1.1", "nitropack": "^2.13.4", "nypm": "^0.6.6", "ohash": "^2.0.11", "pathe": "^2.0.3", "rou3": "^0.8.1", "std-env": "^4.1.0", "ufo": "^1.6.4", "unctx": "^2.5.0", "unstorage": "^1.17.5", "vue": "^3.5.33", "vue-bundle-renderer": "^2.2.0", "vue-devtools-stub": "^0.1.0" }, "peerDependencies": { "@babel/plugin-proposal-decorators": "^7.25.0", "@rollup/plugin-babel": "^6.0.0 || ^7.0.0", "nuxt": "^4.4.5" }, "optionalPeers": ["@babel/plugin-proposal-decorators", "@rollup/plugin-babel"] }, "sha512-ZxmfxZbQ6Yr/DYkuGmPFtE/A1hDbbcOurlPeh/H4oHfAkv/N6W7OWg/3PGViKwckmF69jUMe/a89HAguaH+r5A=="],
@@ -970,6 +983,8 @@
 
     "image-meta": ["image-meta@0.2.2", "https://registry.npmmirror.com/image-meta/-/image-meta-0.2.2.tgz", {}, "sha512-3MOLanc3sb3LNGWQl1RlQlNWURE5g32aUphrDyFeCsxBTk08iE3VNe4CwsUZ0Qs1X+EfX0+r29Sxdpza4B+yRA=="],
 
+    "import-meta-resolve": ["import-meta-resolve@4.2.0", "", {}, "sha512-Iqv2fzaTQN28s/FwZAoFq0ZSs/7hMAHJVX+w8PZl3cY19Pxk6jFFalxQoIfW2826i/fDLXv8IiEZRIT0lDuWcg=="],
+
     "impound": ["impound@1.1.5", "https://registry.npmmirror.com/impound/-/impound-1.1.5.tgz", { "dependencies": { "@jridgewell/trace-mapping": "^0.3.31", "es-module-lexer": "^2.0.0", "pathe": "^2.0.3", "unplugin": "^3.0.0", "unplugin-utils": "^0.3.1" } }, "sha512-5AUn+QE0UofqNHu5f2Skf6Svukdg4ehOIq8O0EtqIx4jta0CDZYBPqpIHt0zrlUTiFVYlLpeH39DoikXBjPKpA=="],
 
     "inherits": ["inherits@2.0.4", "https://registry.npmmirror.com/inherits/-/inherits-2.0.4.tgz", {}, "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="],
@@ -1208,6 +1223,8 @@
 
     "package-json-from-dist": ["package-json-from-dist@1.0.1", "https://registry.npmmirror.com/package-json-from-dist/-/package-json-from-dist-1.0.1.tgz", {}, "sha512-UEZIS3/by4OC8vL3P2dTXRETpebLI2NiI5vIrjaD/5UtrkFX/tNbwjTSRAGC/+7CAo2pIcBaRgWmcBBHcsaCIw=="],
 
+    "package-manager-detector": ["package-manager-detector@1.6.0", "", {}, "sha512-61A5ThoTiDG/C8s8UMZwSorAGwMJ0ERVGj2OjoW5pAalsNOg15+iQiPzrLJ4jhZ1HJzmC2PIHT2oEiH3R5fzNA=="],
+
     "parseurl": ["parseurl@1.3.3", "https://registry.npmmirror.com/parseurl/-/parseurl-1.3.3.tgz", {}, "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="],
 
     "path-key": ["path-key@3.1.1", "https://registry.npmmirror.com/path-key/-/path-key-3.1.1.tgz", {}, "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q=="],
diff --git a/nuxt.config.ts b/nuxt.config.ts
index 1c259e0..3d663b8 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -3,6 +3,7 @@ import tailwindcss from '@tailwindcss/vite'
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
   compatibilityDate: '2025-07-15',
+
   app: {
     head: {
       link: [
@@ -12,13 +13,16 @@ export default defineNuxtConfig({
       ],
     },
   },
+
   css: ['~/assets/css/main.css'],
   devtools: { enabled: true },
+
   vite: {
     plugins: [
       tailwindcss(),
     ]
   },
+
   nitro: {
     typescript: {
       tsConfig: {
@@ -34,4 +38,10 @@ export default defineNuxtConfig({
       },
     }
   },
-})
+
+  modules: ['@nuxt/icon'],
+  icon: {
+    mode: 'css',
+    cssLayer: 'base'
+  }
+})
\ No newline at end of file
diff --git a/package.json b/package.json
index 28164ca..17d3a5d 100644
--- a/package.json
+++ b/package.json
@@ -20,9 +20,10 @@
   },
   "dependencies": {
     "@libsql/client": "0.17.3",
+    "@nuxt/icon": "2.2.2",
     "bcryptjs": "3.0.3",
-    "croner": "10.0.1",
     "cache": "workspace:*",
+    "croner": "10.0.1",
     "dotenv": "17.4.1",
     "drizzle-orm": "0.45.2",
     "drizzle-pkg": "workspace:*",
@@ -33,9 +34,9 @@
     "mime": "4.1.0",
     "multer": "2.1.1",
     "nuxt": "4.4.5",
+    "svg-captcha": "1.4.0",
     "tailwindcss": "4.3.0",
     "ufo": "1.6.3",
-    "svg-captcha": "1.4.0",
     "vue": "3.5.32",
     "vue-router": "5.0.4",
     "zod": "4.3.6"
diff --git a/packages/drizzle-pkg/db.sqlite b/packages/drizzle-pkg/db.sqlite
index 90aa2ea..3e921fd 100644
Binary files a/packages/drizzle-pkg/db.sqlite and b/packages/drizzle-pkg/db.sqlite differ
diff --git a/server/api/auth/profile.put.ts b/server/api/auth/profile.put.ts
index f017615..3adecc7 100644
--- a/server/api/auth/profile.put.ts
+++ b/server/api/auth/profile.put.ts
@@ -16,7 +16,7 @@ export default defineWrappedResponseHandler(async (event) => {
         }
 
         const body = await readBody<{
-            username?: string;
+            // username?: string;
             email?: string;
             nickname?: string;
         }>(event);
@@ -29,20 +29,20 @@ export default defineWrappedResponseHandler(async (event) => {
         }
 
         const updateData: Partial<{
-            username: string;
+            // username: string;
             email: string | null;
             nickname: string | null;
         }> = {};
 
-        if (body.username !== undefined) {
-            if (typeof body.username !== "string" || body.username.trim().length === 0) {
-                throw createError({ statusCode: 400, statusMessage: "用户名不能为空" });
-            }
-            if (body.username.length < 2 || body.username.length > 50) {
-                throw createError({ statusCode: 400, statusMessage: "用户名长度需在2-50字符之间" });
-            }
-            updateData.username = body.username.trim();
-        }
+        // if (body.username !== undefined) {
+        //     if (typeof body.username !== "string" || body.username.trim().length === 0) {
+        //         throw createError({ statusCode: 400, statusMessage: "用户名不能为空" });
+        //     }
+        //     if (body.username.length < 2 || body.username.length > 50) {
+        //         throw createError({ statusCode: 400, statusMessage: "用户名长度需在2-50字符之间" });
+        //     }
+        //     updateData.username = body.username.trim();
+        // }
 
         if (body.email !== undefined) {
             if (body.email && !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(body.email)) {
@@ -69,7 +69,7 @@ export default defineWrappedResponseHandler(async (event) => {
         const [row] = await dbGlobal
             .select({
                 id: users.id,
-                username: users.username,
+                // username: users.username,
                 email: users.email,
                 role: users.role,
                 nickname: users.nickname,