diff --git a/src/components/common/Settings/DataStorage/SessionIndexSection.vue b/src/components/common/Settings/AI/SessionIndexSection.vue
similarity index 100%
rename from src/components/common/Settings/DataStorage/SessionIndexSection.vue
rename to src/components/common/Settings/AI/SessionIndexSection.vue
diff --git a/src/components/common/Settings/AISettingsTab.vue b/src/components/common/Settings/AISettingsTab.vue
index 60ffb584..52edbf97 100644
--- a/src/components/common/Settings/AISettingsTab.vue
+++ b/src/components/common/Settings/AISettingsTab.vue
@@ -6,6 +6,7 @@ import AIDefaultModelTab from './AI/AIDefaultModelTab.vue'
 import AIPromptConfigTab from './AI/AIPromptConfigTab.vue'
 import AIPreprocessTab from './AI/AIPreprocessTab.vue'
 import AIExportSettingsTab from './AI/AIExportSettingsTab.vue'
+import SessionIndexSection from './AI/SessionIndexSection.vue'
 import SubTabs from '@/components/UI/SubTabs.vue'
 import { useSubTabsScroll } from '@/composables/useSubTabsScroll'
 
@@ -24,6 +25,7 @@ const navItems = computed(() => [
   { id: 'skill', label: t('settings.aiPrompt.skillSettings.title') },
   { id: 'compression', label: t('settings.aiPrompt.compression.title') },
   { id: 'preprocess', label: t('settings.tabs.aiPreprocess') },
+  { id: 'sessionIndex', label: t('settings.tabs.sessionManage') },
   { id: 'export', label: t('settings.aiPrompt.exportSettings.title') },
 ])
 
@@ -81,6 +83,11 @@ void aiModelConfigRef.value
           <AIPreprocessTab />
         </div>
 
+        <!-- 会话索引 -->
+        <div :ref="(el) => setSectionRef('sessionIndex', el as HTMLElement)">
+          <SessionIndexSection />
+        </div>
+
         <!-- 导出设置 -->
         <div :ref="(el) => setSectionRef('export', el as HTMLElement)">
           <AIExportSettingsTab @config-changed="handleAIConfigChanged" />
diff --git a/src/components/common/Settings/StorageTab.vue b/src/components/common/Settings/StorageTab.vue
index 71a5ceb5..58920a0f 100644
--- a/src/components/common/Settings/StorageTab.vue
+++ b/src/components/common/Settings/StorageTab.vue
@@ -1,26 +1,6 @@
 <script setup lang="ts">
-/**
- * 数据和存储设置 Tab
- * 包含存储管理和会话管理两个子 Tab
- */
-import { ref, computed } from 'vue'
-import { useI18n } from 'vue-i18n'
+import { ref } from 'vue'
 import StorageManageSection from './DataStorage/StorageManageSection.vue'
-import SessionIndexSection from './DataStorage/SessionIndexSection.vue'
-import SubTabs from '@/components/UI/SubTabs.vue'
-import { useSubTabsScroll } from '@/composables/useSubTabsScroll'
-
-const { t } = useI18n()
-
-// 导航配置
-const navItems = computed(() => [
-  { id: 'storage', label: t('settings.tabs.storageManage') },
-  { id: 'session', label: t('settings.tabs.sessionManage') },
-])
-
-// 使用二级导航滚动联动 composable
-const { activeNav, scrollContainerRef, setSectionRef, handleNavChange } = useSubTabsScroll(navItems)
-void scrollContainerRef // 在模板中通过 ref="scrollContainerRef" 使用
 
 // Template refs
 const storageManageRef = ref<InstanceType<typeof StorageManageSection> | null>(null)
@@ -32,28 +12,7 @@ defineExpose({
 </script>
 
 <template>
-  <div class="flex h-full gap-6">
-    <!-- 左侧锚点导航 -->
-    <div class="w-28 shrink-0">
-      <SubTabs v-model="activeNav" :items="navItems" orientation="vertical" @change="handleNavChange" />
-    </div>
-
-    <!-- 右侧内容区域 -->
-    <div ref="scrollContainerRef" class="min-w-0 flex-1 overflow-y-auto">
-      <div class="space-y-8">
-        <!-- 存储管理 -->
-        <div :ref="(el) => setSectionRef('storage', el as HTMLElement)">
-          <StorageManageSection ref="storageManageRef" />
-        </div>
-
-        <!-- 分隔线 -->
-        <div class="border-t border-gray-200 dark:border-gray-700" />
-
-        <!-- 会话管理 -->
-        <div :ref="(el) => setSectionRef('session', el as HTMLElement)">
-          <SessionIndexSection />
-        </div>
-      </div>
-    </div>
+  <div class="h-full overflow-y-auto">
+    <StorageManageSection ref="storageManageRef" />
   </div>
 </template>
diff --git a/src/components/common/SettingsModal.vue b/src/components/common/SettingsModal.vue
index 9bec2521..3e8bd282 100644
--- a/src/components/common/SettingsModal.vue
+++ b/src/components/common/SettingsModal.vue
@@ -24,8 +24,8 @@ interface ScrollableTab {
 const tabs = computed(() => [
   { id: 'settings', label: t('settings.tabs.basic'), icon: 'i-heroicons-cog-6-tooth' },
   { id: 'ai', label: t('settings.tabs.ai'), icon: 'i-heroicons-sparkles' },
-  { id: 'data', label: t('settings.tabs.dataManage'), icon: 'i-heroicons-rectangle-stack' },
   { id: 'api', label: t('settings.tabs.api'), icon: 'i-heroicons-server-stack' },
+  { id: 'data', label: t('settings.tabs.dataManage'), icon: 'i-heroicons-rectangle-stack' },
   { id: 'storage', label: t('settings.tabs.storage'), icon: 'i-heroicons-folder-open' },
   { id: 'about', label: t('settings.tabs.about'), icon: 'i-heroicons-information-circle' },
 ])
diff --git a/src/i18n/locales/en-US/settings.json b/src/i18n/locales/en-US/settings.json
index 3da0b315..8d06da04 100644
--- a/src/i18n/locales/en-US/settings.json
+++ b/src/i18n/locales/en-US/settings.json
@@ -10,7 +10,7 @@
     "dataManage": "Data Management",
     "storage": "Storage",
     "storageManage": "Storage",
-    "sessionManage": "Sessions",
+    "sessionManage": "Session Index",
     "about": "About",
     "api": "Automation",
     "apiSubTabs": {
diff --git a/src/i18n/locales/ja-JP/settings.json b/src/i18n/locales/ja-JP/settings.json
index 7b415d0b..6e8dbcd7 100644
--- a/src/i18n/locales/ja-JP/settings.json
+++ b/src/i18n/locales/ja-JP/settings.json
@@ -10,7 +10,7 @@
     "dataManage": "データ管理",
     "storage": "ストレージ管理",
     "storageManage": "ストレージ管理",
-    "sessionManage": "セッション管理",
+    "sessionManage": "セッションインデックス",
     "about": "ChatLabについて",
     "api": "オートメーション",
     "apiSubTabs": {
diff --git a/src/i18n/locales/zh-CN/settings.json b/src/i18n/locales/zh-CN/settings.json
index 48ce6648..febff21f 100644
--- a/src/i18n/locales/zh-CN/settings.json
+++ b/src/i18n/locales/zh-CN/settings.json
@@ -10,7 +10,7 @@
     "dataManage": "数据管理",
     "storage": "存储管理",
     "storageManage": "存储管理",
-    "sessionManage": "会话管理",
+    "sessionManage": "会话索引",
     "about": "关于",
     "api": "自动化",
     "apiSubTabs": {
diff --git a/src/i18n/locales/zh-TW/settings.json b/src/i18n/locales/zh-TW/settings.json
index 0bc12f74..a4fc31ae 100644
--- a/src/i18n/locales/zh-TW/settings.json
+++ b/src/i18n/locales/zh-TW/settings.json
@@ -10,7 +10,7 @@
     "dataManage": "資料管理",
     "storage": "儲存管理",
     "storageManage": "儲存管理",
-    "sessionManage": "會話管理",
+    "sessionManage": "會話索引",
     "about": "關於 ChatLab",
     "api": "自動化",
     "apiSubTabs": {