diff --git a/frontend/package.json b/frontend/package.json
index a86f5f7..a906e28 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -19,7 +19,8 @@
     "vue": "^3.5.41",
     "vue-echarts": "^8.1.0",
     "vue-i18n": "^11.4.12",
-    "vue-router": "^4.6.4"
+    "vue-router": "^4.6.4",
+    "vuedraggable": "^4.1.0"
   },
   "devDependencies": {
     "@types/node": "^24.13.3",
diff --git a/frontend/src/api/setting.ts b/frontend/src/api/setting.ts
index a47d50c..077e783 100644
--- a/frontend/src/api/setting.ts
+++ b/frontend/src/api/setting.ts
@@ -40,3 +40,19 @@ export function getPaginationPrefs() {
 export function updatePaginationPrefs(data: { options: number[]; defaultSize: number }) {
   return request.put('/setting/pagination-prefs', data)
 }
+
+/** 导航菜单项配置：key 为导航项标识，visible 控制其在侧边栏的显隐，数组顺序即展示顺序 */
+export interface NavMenuItem {
+  key: string
+  visible: boolean
+}
+
+/** 查询当前用户配置的侧边导航菜单偏好（顺序与显隐） */
+export function getNavMenu() {
+  return request.get('/setting/nav-menu')
+}
+
+/** 更新当前用户配置的侧边导航菜单偏好 */
+export function updateNavMenu(items: NavMenuItem[]) {
+  return request.put('/setting/nav-menu', { items })
+}
diff --git a/frontend/src/components/NavMenuConfigPanel.vue b/frontend/src/components/NavMenuConfigPanel.vue
new file mode 100644
index 0000000..8829fa6
--- /dev/null
+++ b/frontend/src/components/NavMenuConfigPanel.vue
@@ -0,0 +1,170 @@
+<script setup lang="ts">
+// 导航设置面板：配置左侧导航的展示顺序与显隐，拖拽排序、修改后自动保存
+import { ref, computed, onMounted, watch, nextTick } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { NCard, NSpace, NIcon, NText, NSwitch, NButton, useMessage } from 'naive-ui'
+import { MenuOutline, RefreshOutline, ReorderTwoOutline } from '@vicons/ionicons5'
+import VueDraggable from 'vuedraggable'
+import type { NavMenuItem } from '../api/setting'
+import { navEntries, loadNavMenu, saveNavMenu, buildDefaultNavEntries, type NavEntry } from '../composables/useNavMenu'
+import { aiEnabled, ensureAiEnabledLoaded } from '../composables/useAiEnabled'
+
+const { t } = useI18n()
+const message = useMessage()
+
+/** 当前可编辑的导航项：AI 未启用时不展示依赖 AI 的导航项（遵循 AI 元素显隐约定） */
+const editableItems = computed(() => navEntries.value.filter((item) => !item.aiDependent || aiEnabled.value))
+
+/** 面板内编辑副本，顺序即保存后的展示顺序 */
+const draft = ref<NavEntry[]>([])
+
+/** 初始加载完成前不触发自动保存 */
+let ready = false
+/** 重置等程序化改动期间跳过自动保存，避免重复提交 */
+let syncing = false
+/** 自动保存防抖计时器 */
+let saveTimer: ReturnType<typeof setTimeout> | null = null
+/** 保存请求序号，用于丢弃过期响应 */
+let saveSeq = 0
+
+/** 当前草稿中处于可见状态的项数量 */
+const visibleCount = computed(() => draft.value.filter((item) => item.visible).length)
+
+/** 是否允许切换该导航项的显隐：可见项在仅剩一个时禁止关闭，保证至少保留一个可见项 */
+function canToggle(item: NavEntry): boolean {
+  return !item.visible || visibleCount.value > 1
+}
+
+/** 防抖调度自动保存 */
+function scheduleSave() {
+  if (saveTimer) clearTimeout(saveTimer)
+  saveTimer = setTimeout(() => {
+    saveTimer = null
+    void doSave()
+  }, 600)
+}
+
+/** 提交保存，返回是否成功 */
+async function doSave(): Promise<boolean> {
+  const items: NavMenuItem[] = draft.value.map((item) => ({ key: item.key, visible: item.visible }))
+  const seq = ++saveSeq
+  try {
+    await saveNavMenu(items)
+    return true
+  } catch (e: any) {
+    // 已有更新的保存请求时，忽略本次失败提示
+    if (seq !== saveSeq) return true
+    message.error(e?.message || t('nav.saveFailed'))
+    return false
+  }
+}
+
+/** 恢复默认顺序与显隐并保存 */
+async function handleReset() {
+  syncing = true
+  const defaults = buildDefaultNavEntries().filter((item) => !item.aiDependent || aiEnabled.value)
+  draft.value = defaults
+  await nextTick()
+  syncing = false
+  if (await doSave()) {
+    message.success(t('nav.resetSuccess'))
+  }
+}
+
+// 拖拽或开关变更后自动保存
+watch(draft, () => {
+  if (!ready || syncing) return
+  scheduleSave()
+}, { deep: true })
+
+// AI 启用状态变化（如在本页保存 AI 配置）时，重建草稿以纳入/移除「智能查数」项，不触发自动保存
+watch(aiEnabled, async () => {
+  if (!ready) return
+  syncing = true
+  draft.value = editableItems.value.map((item) => ({ ...item }))
+  await nextTick()
+  syncing = false
+})
+
+onMounted(async () => {
+  // 先确保 AI 启用状态就绪，避免初始化草稿时漏掉「智能查数」项
+  await ensureAiEnabledLoaded()
+  try {
+    await loadNavMenu()
+  } catch (e) {
+    message.error(t('nav.loadFailed'))
+  }
+  draft.value = editableItems.value.map((item) => ({ ...item }))
+  await nextTick()
+  ready = true
+})
+</script>
+
+<template>
+  <NCard :bordered="false" class="config-card">
+    <template #header>
+      <NSpace align="center" :size="8">
+        <NIcon :component="MenuOutline" />
+        <span>{{ t('settings.navSection') }}</span>
+      </NSpace>
+    </template>
+
+    <NText depth="3" style="font-size: 12px; display: block; margin-bottom: 12px;">{{ t('nav.hint') }}</NText>
+
+    <VueDraggable v-model="draft" :animation="150" handle=".nav-drag-handle" item-key="key" class="nav-list">
+      <template #item="{ element }">
+        <div class="nav-row">
+          <NIcon class="nav-drag-handle" :component="ReorderTwoOutline" size="18" />
+          <NIcon :component="element.icon" size="18" />
+          <span class="nav-label">{{ t(element.labelKey) }}</span>
+          <NSpace align="center" :size="8">
+            <NText depth="3" style="font-size: 12px;">{{ element.visible ? t('nav.show') : t('nav.hide') }}</NText>
+            <NSwitch
+              :value="element.visible"
+              :disabled="!canToggle(element)"
+              @update:value="(value: boolean) => (element.visible = value)"
+            />
+          </NSpace>
+        </div>
+      </template>
+    </VueDraggable>
+
+    <NSpace justify="end" style="margin-top: 12px;">
+      <NButton size="small" @click="handleReset">
+        <template #icon>
+          <NIcon :component="RefreshOutline" />
+        </template>
+        {{ t('nav.resetDefault') }}
+      </NButton>
+    </NSpace>
+  </NCard>
+</template>
+
+<style scoped>
+.nav-list {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+.nav-row {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 12px;
+  background: #fafafc;
+  border: 1px solid #efeff5;
+  border-radius: 8px;
+}
+.nav-drag-handle {
+  color: #b5b8bd;
+  cursor: grab;
+}
+.nav-drag-handle:active {
+  cursor: grabbing;
+}
+.nav-label {
+  flex: 1;
+  color: #333;
+  font-size: 13px;
+}
+</style>
diff --git a/frontend/src/composables/useNavMenu.ts b/frontend/src/composables/useNavMenu.ts
new file mode 100644
index 0000000..d0e42b8
--- /dev/null
+++ b/frontend/src/composables/useNavMenu.ts
@@ -0,0 +1,103 @@
+// 侧边导航菜单配置共享状态：从后端读取用户级顺序与显隐配置，与本地默认清单合并后供主布局与设置页共用
+import { ref } from 'vue'
+import type { NavItemDef } from '../utils/navItems'
+import { NAV_ITEMS } from '../utils/navItems'
+import type { NavMenuItem } from '../api/setting'
+import { getNavMenu, updateNavMenu } from '../api/setting'
+
+/** 合并后的导航项：在默认定义基础上附带用户配置的可见性 */
+export interface NavEntry extends NavItemDef {
+  /** 用户配置的可见性（仅移除菜单入口，不影响路由访问） */
+  visible: boolean
+}
+
+/** 按默认清单生成全部可见的导航项 */
+export function buildDefaultNavEntries(): NavEntry[] {
+  return NAV_ITEMS.map((def) => ({ ...def, visible: def.defaultVisible }))
+}
+
+// 模块级单例，供主布局与设置页响应式共享
+export const navEntries = ref<NavEntry[]>(buildDefaultNavEntries())
+let loaded = false
+
+/**
+ * 将后端配置与本地默认清单合并：
+ * - 过滤未知或重复的 key，按后端顺序保留；
+ * - 后端未记录的导航项按默认顺序插入到其默认前驱项之后，保持默认相对位置与可见性。
+ *
+ * @param raw 后端返回的菜单项列表
+ * @returns 合并后的导航项列表
+ */
+function mergeFromServer(raw: NavMenuItem[] | null | undefined): NavEntry[] {
+  const defMap = new Map(NAV_ITEMS.map((def) => [def.key, def]))
+  const result: NavEntry[] = []
+  const seen = new Set<string>()
+  const list = Array.isArray(raw) ? raw : []
+  for (const item of list) {
+    if (!item || typeof item.key !== 'string') continue
+    const def = defMap.get(item.key)
+    if (!def || seen.has(item.key)) continue
+    seen.add(item.key)
+    result.push({ ...def, visible: item.visible !== false })
+  }
+  // 补全后端未记录的导航项，插入到默认顺序中前面最近的已存在项之后
+  for (let i = 0; i < NAV_ITEMS.length; i++) {
+    const def = NAV_ITEMS[i]
+    if (seen.has(def.key)) continue
+    let insertAt = 0
+    for (let j = i - 1; j >= 0; j--) {
+      const idx = result.findIndex((entry) => entry.key === NAV_ITEMS[j].key)
+      if (idx >= 0) {
+        insertAt = idx + 1
+        break
+      }
+    }
+    seen.add(def.key)
+    result.splice(insertAt, 0, { ...def, visible: def.defaultVisible })
+  }
+  return result
+}
+
+/**
+ * 从后端加载导航菜单偏好；force 为 true 时强制刷新（登录进入布局或设置页保存后调用）。
+ * 加载失败时保持默认（全部按默认顺序可见），不阻塞布局渲染。
+ *
+ * @param force 是否强制重新加载
+ * @returns 合并后的导航项列表
+ */
+export async function loadNavMenu(force = false): Promise<NavEntry[]> {
+  if (loaded && !force) return navEntries.value
+  try {
+    const res: any = await getNavMenu()
+    navEntries.value = mergeFromServer(res?.data?.items)
+    loaded = true
+  } catch (e) {
+    // 加载失败保持默认配置
+  }
+  return navEntries.value
+}
+
+/**
+ * 保存导航菜单偏好，并以后端返回结果刷新共享状态。
+ *
+ * @param items 待保存的菜单项（顺序即展示顺序）
+ * @returns 保存后的导航项列表
+ */
+export async function saveNavMenu(items: NavMenuItem[]): Promise<NavEntry[]> {
+  const res: any = await updateNavMenu(items)
+  navEntries.value = mergeFromServer(res?.data?.items)
+  loaded = true
+  return navEntries.value
+}
+
+/**
+ * 获取共享的导航项列表，首次调用时异步加载。
+ *
+ * @returns 导航项列表 ref
+ */
+export function useNavMenu() {
+  if (!loaded) {
+    void loadNavMenu()
+  }
+  return { navEntries }
+}
diff --git a/frontend/src/locales/messages.ts b/frontend/src/locales/messages.ts
index da3e937..814cd45 100644
--- a/frontend/src/locales/messages.ts
+++ b/frontend/src/locales/messages.ts
@@ -144,6 +144,7 @@ export default {
     registrationSection: { zh: '注册设置', en: 'Registration', ja: '登録設定' },
     billSourceStatsSection: { zh: '账单来源统计默认值', en: 'Bill Source Stats Defaults', ja: '請求元の集計既定値' },
     displaySection: { zh: '外观设置', en: 'Appearance', ja: '外観設定' },
+    navSection: { zh: '导航设置', en: 'Navigation', ja: 'ナビゲーション設定' },
     notificationSection: { zh: '定时通知', en: 'Scheduled Notifications', ja: '定期通知' },
   },
 
@@ -202,6 +203,19 @@ export default {
     pageSizeFailed: { zh: '保存每页条数选项失败', en: 'Failed to save page size options', ja: '1ページ件数オプションの保存に失敗しました' },
   },
 
+  // 导航设置
+  nav: {
+    hint: { zh: '调整左侧导航的显示顺序与显隐；拖动手柄可排序，隐藏后仅移除菜单入口，页面仍可通过地址访问', en: 'Adjust the order and visibility of the left navigation. Drag the handle to reorder; hidden items are removed from the menu but remain accessible by URL', ja: '左側ナビゲーションの並び順と表示・非表示を調整します。ハンドルをドラッグして並べ替えでき、非表示にしても URL からアクセスできます' },
+    dragHint: { zh: '拖动手柄调整顺序', en: 'Drag the handle to reorder', ja: 'ハンドルをドラッグして並べ替え' },
+    show: { zh: '显示', en: 'Show', ja: '表示' },
+    hide: { zh: '隐藏', en: 'Hide', ja: '非表示' },
+    resetDefault: { zh: '恢复默认', en: 'Reset to default', ja: '既定に戻す' },
+    resetSuccess: { zh: '已恢复默认导航设置', en: 'Navigation reset to default', ja: 'ナビゲーションを既定に戻しました' },
+    loadFailed: { zh: '加载导航设置失败', en: 'Failed to load navigation settings', ja: 'ナビゲーション設定の読み込みに失敗しました' },
+    saveFailed: { zh: '保存导航设置失败', en: 'Failed to save navigation settings', ja: 'ナビゲーション設定の保存に失敗しました' },
+    hideLastForbidden: { zh: '至少保留一个可见导航', en: 'Keep at least one navigation item visible', ja: 'ナビゲーションを1つ以上表示してください' },
+  },
+
   // 注册设置
   registration: {
     statusOn: { zh: '已开启', en: 'Enabled', ja: '有効' },
diff --git a/frontend/src/utils/navItems.ts b/frontend/src/utils/navItems.ts
new file mode 100644
index 0000000..dfd51cb
--- /dev/null
+++ b/frontend/src/utils/navItems.ts
@@ -0,0 +1,30 @@
+// 侧边导航清单（单一数据源）：定义各导航项的标识、文案、图标与默认显隐/顺序，供主布局与设置页共用
+import { markRaw, type Component } from 'vue'
+import {
+  BarChartOutline, ListOutline, FolderOpenOutline, PricetagsOutline, OptionsOutline, MailOutline, SparklesOutline,
+} from '@vicons/ionicons5'
+
+/** 导航项定义 */
+export interface NavItemDef {
+  /** 导航项标识，同时作为菜单 key 与路由 path 首段 */
+  key: string
+  /** 显示文案的 i18n key */
+  labelKey: string
+  /** 菜单图标组件 */
+  icon: Component
+  /** 是否依赖 AI 启用状态：为 true 时仅在 AI 启用后展示 */
+  aiDependent: boolean
+  /** 默认是否可见 */
+  defaultVisible: boolean
+}
+
+/** 默认导航项清单，数组顺序即默认展示顺序；图标用 markRaw 避免被响应式包装 */
+export const NAV_ITEMS: NavItemDef[] = [
+  { key: 'dashboard', labelKey: 'layout.dashboard', icon: markRaw(BarChartOutline), aiDependent: false, defaultVisible: true },
+  { key: 'smart-query', labelKey: 'layout.sqlQuery', icon: markRaw(SparklesOutline), aiDependent: true, defaultVisible: true },
+  { key: 'transactions', labelKey: 'layout.transactions', icon: markRaw(ListOutline), aiDependent: false, defaultVisible: true },
+  { key: 'categories', labelKey: 'layout.categories', icon: markRaw(FolderOpenOutline), aiDependent: false, defaultVisible: true },
+  { key: 'tags', labelKey: 'layout.tags', icon: markRaw(PricetagsOutline), aiDependent: false, defaultVisible: true },
+  { key: 'rules', labelKey: 'layout.rules', icon: markRaw(OptionsOutline), aiDependent: false, defaultVisible: true },
+  { key: 'email-bills', labelKey: 'layout.emailBills', icon: markRaw(MailOutline), aiDependent: false, defaultVisible: true },
+]
diff --git a/frontend/src/views/Layout.vue b/frontend/src/views/Layout.vue
index 50bd9ee..1a7418a 100644
--- a/frontend/src/views/Layout.vue
+++ b/frontend/src/views/Layout.vue
@@ -5,13 +5,14 @@ import { useRouter, useRoute } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import { NLayout, NLayoutSider, NLayoutContent, NLayoutHeader, NMenu, NSpace, NIcon, NDropdown } from 'naive-ui'
 import type { MenuOption } from 'naive-ui'
-import { BarChartOutline, ListOutline, FolderOpenOutline, PricetagsOutline, OptionsOutline, MailOutline, DocumentTextOutline, SettingsOutline, LogOutOutline, ChevronDownOutline, WalletOutline, SparklesOutline } from '@vicons/ionicons5'
+import { DocumentTextOutline, SettingsOutline, LogOutOutline, ChevronDownOutline, WalletOutline } from '@vicons/ionicons5'
 import { useUserStore } from '../store/user'
 import LocaleSwitch from '../components/LocaleSwitch.vue'
 import { getChannels } from '../api/transaction'
 import { readSessionString, writeSessionString } from '../utils/storage'
 import { scrollKey } from '../utils/storageKeys'
 import { aiEnabled, refreshAiEnabled } from '../composables/useAiEnabled'
+import { navEntries, loadNavMenu } from '../composables/useNavMenu'
 
 const router = useRouter()
 const route = useRoute()
@@ -43,20 +44,11 @@ function renderIcon(icon: any) {
   return () => h(NIcon, null, { default: () => h(icon) })
 }
 
-// 侧边栏菜单配置项（随语言切换响应式更新；智能查数仅在 AI 启用时展示）
+// 侧边栏菜单配置项（随语言切换与用户导航配置响应式更新；智能查数仅在 AI 启用时展示）
 const menuOptions = computed<MenuOption[]>(() => {
-  const options: MenuOption[] = [
-    { label: t('layout.dashboard'), key: 'dashboard', icon: renderIcon(BarChartOutline) },
-    { label: t('layout.transactions'), key: 'transactions', icon: renderIcon(ListOutline) },
-    { label: t('layout.categories'), key: 'categories', icon: renderIcon(FolderOpenOutline) },
-    { label: t('layout.tags'), key: 'tags', icon: renderIcon(PricetagsOutline) },
-    { label: t('layout.rules'), key: 'rules', icon: renderIcon(OptionsOutline) },
-    { label: t('layout.emailBills'), key: 'email-bills', icon: renderIcon(MailOutline) },
-  ]
-  if (aiEnabled.value) {
-    options.splice(1, 0, { label: t('layout.sqlQuery'), key: 'smart-query', icon: renderIcon(SparklesOutline) })
-  }
-  return options
+  return navEntries.value
+    .filter((item) => item.visible && (!item.aiDependent || aiEnabled.value))
+    .map((item) => ({ label: t(item.labelKey), key: item.key, icon: renderIcon(item.icon) }))
 })
 
 /** 菜单点击事件：根据 key 导航到对应路由 */
@@ -194,6 +186,8 @@ onMounted(() => {
   loadChannels()
   // 加载 AI 启用状态，控制「智能查数」菜单显隐（每次登录进入布局时刷新，避免沿用上一账号状态）
   refreshAiEnabled()
+  // 加载用户导航菜单配置，保证顺序与显隐按上次保存的结果渲染
+  loadNavMenu(true)
 })
 
 onBeforeUnmount(() => {
diff --git a/frontend/src/views/Settings.vue b/frontend/src/views/Settings.vue
index b7922f4..045c937 100644
--- a/frontend/src/views/Settings.vue
+++ b/frontend/src/views/Settings.vue
@@ -6,6 +6,7 @@ import DatabaseConfigPanel from '../components/DatabaseConfigPanel.vue'
 import RegistrationConfigPanel from '../components/RegistrationConfigPanel.vue'
 import BillSourceStatsPanel from '../components/BillSourceStatsPanel.vue'
 import DisplayConfigPanel from '../components/DisplayConfigPanel.vue'
+import NavMenuConfigPanel from '../components/NavMenuConfigPanel.vue'
 import AiConfigPanel from '../components/AiConfigPanel.vue'
 import NotificationConfigPanel from '../components/NotificationConfigPanel.vue'
 
@@ -20,6 +21,7 @@ const { t } = useI18n()
     <RegistrationConfigPanel />
     <BillSourceStatsPanel />
     <DisplayConfigPanel />
+    <NavMenuConfigPanel />
     <AiConfigPanel />
     <NotificationConfigPanel />
   </div>
diff --git a/src/main/java/cn/rosercode/ledgerly/controller/UserSettingController.java b/src/main/java/cn/rosercode/ledgerly/controller/UserSettingController.java
index 8b0055c..f27193c 100644
--- a/src/main/java/cn/rosercode/ledgerly/controller/UserSettingController.java
+++ b/src/main/java/cn/rosercode/ledgerly/controller/UserSettingController.java
@@ -13,10 +13,12 @@ import org.springframework.web.bind.annotation.RestController;
 import cn.rosercode.ledgerly.common.Result;
 import cn.rosercode.ledgerly.dto.BillSourceStatsRequest;
 import cn.rosercode.ledgerly.dto.ExcludedDisplayStyleRequest;
+import cn.rosercode.ledgerly.dto.NavMenuPrefsRequest;
 import cn.rosercode.ledgerly.dto.PaginationPrefsRequest;
 import cn.rosercode.ledgerly.dto.ShowHiddenDataRequest;
 import cn.rosercode.ledgerly.service.UserPreferenceService;
 import cn.rosercode.ledgerly.util.UserContext;
+import cn.rosercode.ledgerly.vo.NavMenuPrefsVO;
 import cn.rosercode.ledgerly.vo.PaginationPrefsVO;
 
 /**
@@ -141,4 +143,31 @@ public class UserSettingController {
         userPreferenceService.savePaginationPrefs(userId, prefs);
         return Result.success(userPreferenceService.getPaginationPrefs(userId));
     }
+
+    /**
+     * 查询当前用户配置的侧边导航菜单偏好。
+     *
+     * @return 导航菜单偏好（顺序与显隐），未配置时 items 为空
+     */
+    @GetMapping("/nav-menu")
+    @Operation(summary = "查询导航菜单偏好", description = "读取当前用户侧边导航菜单的展示顺序与显隐配置")
+    public Result<NavMenuPrefsVO> getNavMenu() {
+        return Result.success(userPreferenceService.getNavMenu(UserContext.getUserId()));
+    }
+
+    /**
+     * 更新当前用户配置的侧边导航菜单偏好。
+     *
+     * @param request 导航菜单偏好更新请求
+     * @return 更新后的导航菜单偏好
+     */
+    @PutMapping("/nav-menu")
+    @Operation(summary = "更新导航菜单偏好", description = "设置当前用户侧边导航菜单的展示顺序与显隐配置")
+    public Result<NavMenuPrefsVO> updateNavMenu(@RequestBody NavMenuPrefsRequest request) {
+        Long userId = UserContext.getUserId();
+        NavMenuPrefsVO prefs = new NavMenuPrefsVO();
+        prefs.setItems(request.getItems());
+        userPreferenceService.saveNavMenu(userId, prefs);
+        return Result.success(userPreferenceService.getNavMenu(userId));
+    }
 }
diff --git a/src/main/java/cn/rosercode/ledgerly/dto/NavMenuPrefsRequest.java b/src/main/java/cn/rosercode/ledgerly/dto/NavMenuPrefsRequest.java
new file mode 100644
index 0000000..187d5c9
--- /dev/null
+++ b/src/main/java/cn/rosercode/ledgerly/dto/NavMenuPrefsRequest.java
@@ -0,0 +1,19 @@
+package cn.rosercode.ledgerly.dto;
+
+import java.util.List;
+
+import lombok.Data;
+
+import cn.rosercode.ledgerly.vo.NavMenuItem;
+
+/**
+ * 侧边导航菜单偏好更新请求对象。
+ *
+ * @date 2026-09-24 10:43:24
+ */
+@Data
+public class NavMenuPrefsRequest {
+
+    /** 导航菜单项有序列表，顺序即期望的侧边栏展示顺序 */
+    private List<NavMenuItem> items;
+}
diff --git a/src/main/java/cn/rosercode/ledgerly/service/UserPreferenceService.java b/src/main/java/cn/rosercode/ledgerly/service/UserPreferenceService.java
index 1846a38..b508974 100644
--- a/src/main/java/cn/rosercode/ledgerly/service/UserPreferenceService.java
+++ b/src/main/java/cn/rosercode/ledgerly/service/UserPreferenceService.java
@@ -2,6 +2,7 @@ package cn.rosercode.ledgerly.service;
 
 import java.util.Map;
 
+import cn.rosercode.ledgerly.vo.NavMenuPrefsVO;
 import cn.rosercode.ledgerly.vo.PaginationPrefsVO;
 
 /**
@@ -70,8 +71,24 @@ public interface UserPreferenceService {
     /**
      * 保存当前用户配置的表格分页偏好，空或非法时回退默认值。
      *
-     * @param userId 用户ID
+     * @param userId   用户ID
      * @param prefs  分页偏好
      */
     void savePaginationPrefs(Long userId, PaginationPrefsVO prefs);
+
+    /**
+     * 获取当前用户配置的侧边导航菜单偏好（顺序与显隐），未配置时返回空列表。
+     *
+     * @param userId 用户ID
+     * @return 导航菜单偏好，items 为空表示未配置
+     */
+    NavMenuPrefsVO getNavMenu(Long userId);
+
+    /**
+     * 保存当前用户配置的侧边导航菜单偏好，空项或非法项会被过滤。
+     *
+     * @param userId 用户ID
+     * @param prefs  导航菜单偏好
+     */
+    void saveNavMenu(Long userId, NavMenuPrefsVO prefs);
 }
diff --git a/src/main/java/cn/rosercode/ledgerly/service/impl/DatabaseServiceImpl.java b/src/main/java/cn/rosercode/ledgerly/service/impl/DatabaseServiceImpl.java
index d255a21..7e9f72d 100644
--- a/src/main/java/cn/rosercode/ledgerly/service/impl/DatabaseServiceImpl.java
+++ b/src/main/java/cn/rosercode/ledgerly/service/impl/DatabaseServiceImpl.java
@@ -224,7 +224,7 @@ public class DatabaseServiceImpl implements DatabaseService {
      */
     private HikariDataSource createDataSource(DatabaseConfig config) {
         HikariConfig hikari = new HikariConfig();
-        hikari.setPoolName("finance-" + config.getType().name().toLowerCase());
+        hikari.setPoolName("ledgerly-" + config.getType().name().toLowerCase());
         hikari.setDriverClassName(config.getType().getDriverClassName());
         hikari.setJdbcUrl(config.buildJdbcUrl());
         hikari.setConnectionTimeout(10_000);
diff --git a/src/main/java/cn/rosercode/ledgerly/service/impl/UserPreferenceServiceImpl.java b/src/main/java/cn/rosercode/ledgerly/service/impl/UserPreferenceServiceImpl.java
index 3a803f9..df25c73 100644
--- a/src/main/java/cn/rosercode/ledgerly/service/impl/UserPreferenceServiceImpl.java
+++ b/src/main/java/cn/rosercode/ledgerly/service/impl/UserPreferenceServiceImpl.java
@@ -1,6 +1,8 @@
 package cn.rosercode.ledgerly.service.impl;
 
+import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -21,6 +23,8 @@ import cn.rosercode.ledgerly.entity.UserPreference;
 import cn.rosercode.ledgerly.enums.BillType;
 import cn.rosercode.ledgerly.mapper.UserPreferenceMapper;
 import cn.rosercode.ledgerly.service.UserPreferenceService;
+import cn.rosercode.ledgerly.vo.NavMenuItem;
+import cn.rosercode.ledgerly.vo.NavMenuPrefsVO;
 import cn.rosercode.ledgerly.vo.PaginationPrefsVO;
 
 /**
@@ -46,6 +50,12 @@ public class UserPreferenceServiceImpl implements UserPreferenceService {
     /** 偏好键：表格分页偏好（每页条数候选列表与默认每页条数） */
     private static final String KEY_PAGINATION_PREFS = "paginationPrefs";
 
+    /** 偏好键：侧边导航菜单偏好（顺序与显隐） */
+    private static final String KEY_NAV_MENU = "navMenu";
+
+    /** 导航菜单项数量上限，避免异常数据无限增长 */
+    private static final int MAX_NAV_MENU_ITEMS = 100;
+
     /** 默认的表格分页每页条数候选列表 */
     private static final List<Integer> DEFAULT_PAGE_SIZE_OPTIONS = List.of(10, 20, 50, 100);
 
@@ -192,6 +202,87 @@ public class UserPreferenceServiceImpl implements UserPreferenceService {
                 userId, normalized.getOptions(), normalized.getDefaultSize());
     }
 
+    /**
+     * {@inheritDoc}
+     *
+     * 结果按用户缓存，未配置时返回空列表（由前端回退默认顺序与可见性）。
+     */
+    @Override
+    @Cacheable(cacheNames = CacheConfig.USER_PREFERENCE_CACHE, key = "'navMenu:' + #userId")
+    public NavMenuPrefsVO getNavMenu(Long userId) {
+        return normalizeNavMenu(parseNavMenuPrefs(findValue(userId, KEY_NAV_MENU)));
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * 保存后失效该用户的导航菜单偏好缓存。
+     */
+    @Override
+    @CacheEvict(cacheNames = CacheConfig.USER_PREFERENCE_CACHE, key = "'navMenu:' + #userId")
+    public void saveNavMenu(Long userId, NavMenuPrefsVO prefs) {
+        NavMenuPrefsVO normalized = normalizeNavMenu(prefs);
+        upsert(userId, KEY_NAV_MENU, toJson(normalized));
+        long visibleCount = normalized.getItems().stream()
+                .filter(item -> Boolean.TRUE.equals(item.getVisible()))
+                .count();
+        log.info("保存导航菜单偏好: userId={}, total={}, visible={}",
+                userId, normalized.getItems().size(), visibleCount);
+    }
+
+    /**
+     * 规范化导航菜单偏好：过滤空 key 与重复 key（按首次出现保留顺序）、visible 缺省视为可见、
+     * 限制菜单项数量；未配置时返回空列表。
+     *
+     * @param prefs 原始导航菜单偏好
+     * @return 规范化后的导航菜单偏好
+     */
+    private NavMenuPrefsVO normalizeNavMenu(NavMenuPrefsVO prefs) {
+        List<NavMenuItem> items = prefs != null ? prefs.getItems() : null;
+        List<NavMenuItem> normalized = new ArrayList<>();
+        Set<String> seen = new HashSet<>();
+        if (items != null) {
+            for (NavMenuItem item : items) {
+                if (item == null || item.getKey() == null || item.getKey().isBlank()) {
+                    continue;
+                }
+                String key = item.getKey().trim();
+                if (!seen.add(key)) {
+                    continue;
+                }
+                if (normalized.size() >= MAX_NAV_MENU_ITEMS) {
+                    break;
+                }
+                NavMenuItem target = new NavMenuItem();
+                target.setKey(key);
+                // 未显式传入 visible 时默认可见，保证配置缺省语义友好
+                target.setVisible(item.getVisible() == null || item.getVisible());
+                normalized.add(target);
+            }
+        }
+        NavMenuPrefsVO result = new NavMenuPrefsVO();
+        result.setItems(normalized);
+        return result;
+    }
+
+    /**
+     * 将 JSON 字符串解析为导航菜单偏好，解析失败或为空时返回 null。
+     *
+     * @param json JSON 字符串
+     * @return 导航菜单偏好，解析失败时为 null
+     */
+    private NavMenuPrefsVO parseNavMenuPrefs(String json) {
+        if (json == null || json.isBlank()) {
+            return null;
+        }
+        try {
+            return objectMapper.readValue(json, NavMenuPrefsVO.class);
+        } catch (JsonProcessingException e) {
+            log.warn("解析导航菜单偏好失败：{}", e.getMessage());
+            return null;
+        }
+    }
+
     /**
      * 规范化分页偏好：候选列表过滤非正整数与越界值、去重升序并限制数量（为空回退默认）；
      * 默认每页条数须为候选列表内的正整数，否则回退候选列表首项。
diff --git a/src/main/java/cn/rosercode/ledgerly/vo/NavMenuItem.java b/src/main/java/cn/rosercode/ledgerly/vo/NavMenuItem.java
new file mode 100644
index 0000000..099d0c7
--- /dev/null
+++ b/src/main/java/cn/rosercode/ledgerly/vo/NavMenuItem.java
@@ -0,0 +1,18 @@
+package cn.rosercode.ledgerly.vo;
+
+import lombok.Data;
+
+/**
+ * 侧边导航菜单项用户配置，包含菜单标识与是否可见。
+ *
+ * @date 2026-09-24 10:43:24
+ */
+@Data
+public class NavMenuItem {
+
+    /** 菜单项标识，对应前端导航项的 key */
+    private String key;
+
+    /** 是否在侧边导航中可见 */
+    private Boolean visible;
+}
diff --git a/src/main/java/cn/rosercode/ledgerly/vo/NavMenuPrefsVO.java b/src/main/java/cn/rosercode/ledgerly/vo/NavMenuPrefsVO.java
new file mode 100644
index 0000000..3b5bf6d
--- /dev/null
+++ b/src/main/java/cn/rosercode/ledgerly/vo/NavMenuPrefsVO.java
@@ -0,0 +1,17 @@
+package cn.rosercode.ledgerly.vo;
+
+import java.util.List;
+
+import lombok.Data;
+
+/**
+ * 侧边导航菜单用户偏好视图对象，按数组顺序表示菜单展示顺序。
+ *
+ * @date 2026-09-24 10:43:24
+ */
+@Data
+public class NavMenuPrefsVO {
+
+    /** 导航菜单项有序列表，顺序即侧边栏展示顺序；为空表示未配置 */
+    private List<NavMenuItem> items;
+}