diff --git a/lib/modules/usage/controllers/translation_stats_controller.dart b/lib/modules/usage/controllers/translation_stats_controller.dart
index 7015537aa..099138941 100644
--- a/lib/modules/usage/controllers/translation_stats_controller.dart
+++ b/lib/modules/usage/controllers/translation_stats_controller.dart
@@ -2,6 +2,7 @@ import 'package:get/get.dart';
 import '../../../data/services/usage_stats_service.dart';
 import '../../../data/models/translation_usage_stats.dart';
 import '../../../core/utils/logger.dart';
+import 'usage_controller.dart';
 
 class TranslationStatsController extends GetxController {
   final UsageStatsService _usageService = Get.find<UsageStatsService>();
@@ -297,6 +298,24 @@ class TranslationStatsController extends GetxController {
     return '¥${cost.toStringAsFixed(2)}';
   }
 
+  int _titleTapCount = 0;
+  int _lastTitleTapTs = 0;
+
+  void onTitleTap() {
+    final now = DateTime.now().millisecondsSinceEpoch;
+    if (now - _lastTitleTapTs <= 800) {
+      _titleTapCount++;
+    } else {
+      _titleTapCount = 1;
+    }
+    _lastTitleTapTs = now;
+    if (_titleTapCount >= 3) {
+      _titleTapCount = 0;
+      final uc = Get.find<UsageController>();
+      uc.toggleAiChat(!uc.showAiChat.value);
+    }
+  }
+
   String formatNumber(int number) {
     if (number < 1000) {
       return number.toString();
diff --git a/lib/modules/usage/controllers/usage_controller.dart b/lib/modules/usage/controllers/usage_controller.dart
index d8ecbbecd..7407d5e09 100644
--- a/lib/modules/usage/controllers/usage_controller.dart
+++ b/lib/modules/usage/controllers/usage_controller.dart
@@ -8,15 +8,34 @@ class UsageController extends GetxController {
   late PageController pageController;
   final RxInt pageIndex = 0.obs;
 
-  final List<Widget> pageList = const [
-    AiChatStatsView(),
-    TranslationStatsView(),
-    MeetingStatsView(),
-  ];
+  final RxBool showAiChat = false.obs;
+
+  List<Widget> get pageList => showAiChat.value
+      ? const [
+          AiChatStatsView(),
+          TranslationStatsView(),
+          MeetingStatsView(),
+        ]
+      : const [
+          TranslationStatsView(),
+          MeetingStatsView(),
+        ];
 
   @override
   void onInit() {
     super.onInit();
     pageController = PageController(initialPage: 0);
   }
+
+  void toggleAiChat(bool enable) {
+    if (showAiChat.value == enable) return;
+    showAiChat.value = enable;
+    final int maxIndex = pageList.length - 1;
+    if (pageIndex.value > maxIndex) {
+      pageIndex.value = maxIndex;
+      pageController.jumpToPage(maxIndex);
+    } else {
+      pageController.jumpToPage(pageIndex.value);
+    }
+  }
 }
diff --git a/lib/modules/usage/views/aichat_stats_view.dart b/lib/modules/usage/views/aichat_stats_view.dart
index 7ac2d806b..a04fe6c44 100644
--- a/lib/modules/usage/views/aichat_stats_view.dart
+++ b/lib/modules/usage/views/aichat_stats_view.dart
@@ -40,6 +40,12 @@ class AiChatStatsView extends GetView<AiChatStatsController> {
   }
 
   Widget _buildBody(bool isDarkMode) {
+    return Column(
+      children: [_buildIntegralRow(isDarkMode)],
+    );
+  }
+
+  Widget _buildIntegralRow(bool isDarkMode) {
     return Obx(() {
       final _ = User.refreshTick.value;
       final u = User.instance;
diff --git a/lib/modules/usage/views/meeting_stats_view.dart b/lib/modules/usage/views/meeting_stats_view.dart
index de27ba356..63ea4897a 100644
--- a/lib/modules/usage/views/meeting_stats_view.dart
+++ b/lib/modules/usage/views/meeting_stats_view.dart
@@ -51,14 +51,13 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
   Widget _buildBody(bool isDarkMode) {
     return Column(
       children: [
+        _buildIntegralRow(isDarkMode),
         _buildTimeRangeSelector(isDarkMode),
         Expanded(
           child: SingleChildScrollView(
             padding: EdgeInsets.all(16.w),
             child: Column(
               children: [
-                _buildIntegralCard(isDarkMode),
-                SizedBox(height: 16.h),
                 _buildOverviewCard(isDarkMode),
               ],
             ),
@@ -68,6 +67,51 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
     );
   }
 
+  Widget _buildIntegralRow(bool isDarkMode) {
+    return Obx(() {
+      final _ = User.refreshTick.value;
+      final u = User.instance;
+      return Padding(
+        padding: EdgeInsets.all(16.w),
+        child: Container(
+          padding: EdgeInsets.all(16.w),
+          decoration: BoxDecoration(
+            color: isDarkMode ? AppColors.cardBackground : Colors.white,
+            borderRadius: BorderRadius.circular(12.r),
+            boxShadow: [
+              BoxShadow(
+                  color: Colors.black.withValues(alpha: 0.05),
+                  blurRadius: 10,
+                  offset: const Offset(0, 2)),
+            ],
+          ),
+          child: Row(
+            children: [
+              Icon(Icons.people, color: AppColors.primary, size: 20.sp),
+              SizedBox(width: 8.w),
+              Expanded(
+                child: Text(
+                  '会议积分',
+                  style: TextStyle(
+                      fontSize: 16.sp,
+                      fontWeight: FontWeight.w600,
+                      color: isDarkMode ? Colors.white : Colors.black),
+                ),
+              ),
+              Text(
+                '${u.meetintegral}/${u.meettotalintegral}',
+                style: TextStyle(
+                    fontSize: 16.sp,
+                    fontWeight: FontWeight.w600,
+                    color: isDarkMode ? Colors.white : Colors.black),
+              ),
+            ],
+          ),
+        ),
+      );
+    });
+  }
+
   Widget _buildTimeRangeSelector(bool isDarkMode) {
     return Container(
       margin: EdgeInsets.all(16.w),
@@ -212,77 +256,4 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
       ],
     );
   }
-
-  Widget _buildIntegralCard(bool isDarkMode) {
-    return Container(
-      padding: EdgeInsets.all(16.w),
-      decoration: BoxDecoration(
-        color: isDarkMode ? AppColors.cardBackground : Colors.white,
-        borderRadius: BorderRadius.circular(12.r),
-        boxShadow: [
-          BoxShadow(
-            color: Colors.black.withValues(alpha: 0.05),
-            blurRadius: 10,
-            offset: const Offset(0, 2),
-          ),
-        ],
-      ),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Row(
-            children: [
-              Icon(Icons.stacked_line_chart,
-                  color: AppColors.primary, size: 20.sp),
-              SizedBox(width: 8.w),
-              Text(
-                '积分统计',
-                style: TextStyle(
-                  fontSize: 16.sp,
-                  fontWeight: FontWeight.w600,
-                  color: isDarkMode ? Colors.white : Colors.black,
-                ),
-              ),
-            ],
-          ),
-          SizedBox(height: 16.h),
-          Obx(() {
-            final _ = User.refreshTick.value;
-            final u = User.instance;
-            return _buildIntegralRow(
-              '会议',
-              '${controller.formatNumber(u.meetintegral)}/${controller.formatNumber(u.meettotalintegral)}',
-              Icons.people,
-              isDarkMode,
-            );
-          }),
-        ],
-      ),
-    );
-  }
-
-  Widget _buildIntegralRow(
-      String label, String value, IconData icon, bool isDarkMode) {
-    return Row(
-      children: [
-        Icon(icon, color: AppColors.primary, size: 18.sp),
-        SizedBox(width: 12.w),
-        Expanded(
-          child: Text(
-            label,
-            style: TextStyle(
-                fontSize: 14.sp,
-                color: isDarkMode ? Colors.white : Colors.black),
-          ),
-        ),
-        Text(
-          value,
-          style: TextStyle(
-              fontSize: 14.sp,
-              fontWeight: FontWeight.w600,
-              color: isDarkMode ? Colors.white : Colors.black),
-        ),
-      ],
-    );
-  }
 }
diff --git a/lib/modules/usage/views/translation_stats_view.dart b/lib/modules/usage/views/translation_stats_view.dart
index 4c98c9493..6fc3c706c 100644
--- a/lib/modules/usage/views/translation_stats_view.dart
+++ b/lib/modules/usage/views/translation_stats_view.dart
@@ -33,12 +33,15 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
       ),
       backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.white,
       elevation: 0.5,
-      title: Text(
-        '翻译统计',
-        style: TextStyle(
-          fontSize: 17.sp,
-          fontWeight: FontWeight.w600,
-          color: isDarkMode ? Colors.white : Colors.black,
+      title: GestureDetector(
+        onTap: controller.onTitleTap,
+        child: Text(
+          '翻译统计',
+          style: TextStyle(
+            fontSize: 17.sp,
+            fontWeight: FontWeight.w600,
+            color: isDarkMode ? Colors.white : Colors.black,
+          ),
         ),
       ),
       centerTitle: true,
@@ -89,14 +92,15 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
   Widget _buildBody(bool isDarkMode) {
     return Column(
       children: [
+        _buildIntegralRow(isDarkMode),
         _buildTimeRangeSelector(isDarkMode),
         Expanded(
           child: SingleChildScrollView(
             padding: EdgeInsets.all(16.w),
             child: Column(
               children: [
-                _buildIntegralCard(isDarkMode),
-                SizedBox(height: 16.h),
+                // _buildIntegralCard(isDarkMode),
+                // SizedBox(height: 16.h),
                 if (controller.selectedTabIndex.value == 0)
                   _buildRealtimeStatsCard(isDarkMode),
                 SizedBox(height: 16.h),
@@ -115,6 +119,51 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
+  Widget _buildIntegralRow(bool isDarkMode) {
+    return Obx(() {
+      final _ = User.refreshTick.value;
+      final u = User.instance;
+      return Padding(
+        padding: EdgeInsets.all(16.w),
+        child: Container(
+          padding: EdgeInsets.all(16.w),
+          decoration: BoxDecoration(
+            color: isDarkMode ? AppColors.cardBackground : Colors.white,
+            borderRadius: BorderRadius.circular(12.r),
+            boxShadow: [
+              BoxShadow(
+                  color: Colors.black.withValues(alpha: 0.05),
+                  blurRadius: 10,
+                  offset: const Offset(0, 2)),
+            ],
+          ),
+          child: Row(
+            children: [
+              Icon(Icons.translate, color: AppColors.primary, size: 20.sp),
+              SizedBox(width: 8.w),
+              Expanded(
+                child: Text(
+                  '翻译积分',
+                  style: TextStyle(
+                      fontSize: 16.sp,
+                      fontWeight: FontWeight.w600,
+                      color: isDarkMode ? Colors.white : Colors.black),
+                ),
+              ),
+              Text(
+                '${u.tradeintegral}/${u.tradetotalintegral}',
+                style: TextStyle(
+                    fontSize: 16.sp,
+                    fontWeight: FontWeight.w600,
+                    color: isDarkMode ? Colors.white : Colors.black),
+              ),
+            ],
+          ),
+        ),
+      );
+    });
+  }
+
   Widget _buildTimeRangeSelector(bool isDarkMode) {
     return Container(
       margin: EdgeInsets.all(16.w),
@@ -424,92 +473,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  Widget _buildIntegralCard(bool isDarkMode) {
-    return Container(
-      padding: EdgeInsets.all(16.w),
-      decoration: BoxDecoration(
-        color: isDarkMode ? AppColors.cardBackground : Colors.white,
-        borderRadius: BorderRadius.circular(12.r),
-        boxShadow: [
-          BoxShadow(
-            color: Colors.black.withValues(alpha: 0.05),
-            blurRadius: 10,
-            offset: const Offset(0, 2),
-          ),
-        ],
-      ),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Row(
-            children: [
-              Icon(
-                Icons.stacked_line_chart,
-                color: AppColors.primary,
-                size: 20.sp,
-              ),
-              SizedBox(width: 8.w),
-              Text(
-                '积分统计',
-                style: TextStyle(
-                  fontSize: 16.sp,
-                  fontWeight: FontWeight.w600,
-                  color: isDarkMode ? Colors.white : Colors.black,
-                ),
-              ),
-            ],
-          ),
-          SizedBox(height: 16.h),
-          Obx(() {
-            final _ = User.refreshTick.value;
-            final u = User.instance;
-            return Column(
-              children: [
-                _buildIntegralRow(
-                  '翻译',
-                  '${controller.formatNumber(u.tradeintegral)}/${controller.formatNumber(u.tradetotalintegral)}',
-                  Icons.translate,
-                  isDarkMode,
-                ),
-              ],
-            );
-          }),
-        ],
-      ),
-    );
-  }
-
-  Widget _buildIntegralRow(
-      String label, String value, IconData icon, bool isDarkMode) {
-    return Row(
-      children: [
-        Icon(
-          icon,
-          color: AppColors.primary,
-          size: 18.sp,
-        ),
-        SizedBox(width: 12.w),
-        Expanded(
-          child: Text(
-            label,
-            style: TextStyle(
-              fontSize: 14.sp,
-              color: isDarkMode ? Colors.white : Colors.black,
-            ),
-          ),
-        ),
-        Text(
-          value,
-          style: TextStyle(
-            fontSize: 14.sp,
-            fontWeight: FontWeight.w600,
-            color: isDarkMode ? Colors.white : Colors.black,
-          ),
-        ),
-      ],
-    );
-  }
-
   Widget _buildApiCallRow(
       String label, int count, IconData icon, bool isDarkMode) {
     return Row(
diff --git a/lib/modules/usage/views/usage_view.dart b/lib/modules/usage/views/usage_view.dart
index 26531868f..814b64ad3 100644
--- a/lib/modules/usage/views/usage_view.dart
+++ b/lib/modules/usage/views/usage_view.dart
@@ -7,13 +7,6 @@ import '../controllers/usage_controller.dart';
 class UsageView extends GetView<UsageController> {
   const UsageView({super.key});
 
-  // 1. 将导航栏配置提取为常量，提高可维护性
-  static const _navItems = [
-    _NavItem(Icons.chat_bubble_outline, 'AI chat'),
-    _NavItem(Icons.translate, 'interpretation'),
-    _NavItem(Icons.people, 'meeting'),
-  ];
-
   // 2. 颜色配置集中管理
   Color _getBgColor(bool isDark) =>
       isDark ? Colors.black : const Color(0xFFF9FAFB);
@@ -28,11 +21,11 @@ class UsageView extends GetView<UsageController> {
 
     return Scaffold(
       backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.grey[50],
-      body: PageView(
-        physics: const NeverScrollableScrollPhysics(),
-        controller: controller.pageController,
-        children: controller.pageList,
-      ),
+      body: Obx(() => PageView(
+            physics: const NeverScrollableScrollPhysics(),
+            controller: controller.pageController,
+            children: controller.pageList,
+          )),
       bottomNavigationBar: Obx(
         () {
           final currentIndex = controller.pageIndex.value;
@@ -48,7 +41,16 @@ class UsageView extends GetView<UsageController> {
             // 3. 添加安全区域适配（针对刘海屏）
             child: BottomNavigationBar(
               // 4. 使用生成的导航项
-              items: _navItems
+              items: (controller.showAiChat.value
+                      ? const [
+                          _NavItem(Icons.chat_bubble_outline, 'AI chat'),
+                          _NavItem(Icons.translate, 'interpretation'),
+                          _NavItem(Icons.people, 'meeting'),
+                        ]
+                      : const [
+                          _NavItem(Icons.translate, 'interpretation'),
+                          _NavItem(Icons.people, 'meeting'),
+                        ])
                   .map((item) => BottomNavigationBarItem(
                         icon: Icon(item.icon),
                         activeIcon: Icon(item.icon,
@@ -70,8 +72,8 @@ class UsageView extends GetView<UsageController> {
               type: BottomNavigationBarType.fixed,
               // 7. 增加图标和文字的间距
               iconSize: 22.w, // 响应式图标尺寸
-              selectedLabelStyle: TextStyle(height: 1.5), // 文字垂直间距
-              unselectedLabelStyle: TextStyle(height: 1.5),
+              selectedLabelStyle: TextStyle(height: 1.5.sp), // 文字垂直间距
+              unselectedLabelStyle: TextStyle(height: 1.5.sp),
             ),
           );
         },