diff --git a/lib/modules/home/views/home_view.dart b/lib/modules/home/views/home_view.dart
index 8506a7337..1ff190e8f 100644
--- a/lib/modules/home/views/home_view.dart
+++ b/lib/modules/home/views/home_view.dart
@@ -72,6 +72,11 @@ class HomeView extends GetView<HomeController> {
 
   @override
   Widget build(BuildContext context) {
+    // 预缓存图片
+    precacheImage(
+        const AssetImage('assets/images/headphone_new3.png'), context);
+    precacheImage(
+        const AssetImage('assets/images/headphone_new4.png'), context);
     final bool isDarkMode = Theme.of(context).brightness == Brightness.dark;
     return Scaffold(
       backgroundColor: isDarkMode ? Colors.black : const Color(0xFFF9FAFC),
@@ -83,77 +88,79 @@ class HomeView extends GetView<HomeController> {
             children: [
               // 顶部标题栏
               _buildAppBar(isDarkMode),
-
-              // 可变高度的顶部图片区域
-              Obx(() => _buildAdaptiveEarbudsImage()),
-
-              SizedBox(height: 20.h),
-
-              // 设备状态卡片 - 使用 AnimatedContainer 实现平滑过渡
-              IntroStepBuilder(
-                group: 'home',
-                order: 1,
-                onWidgetLoad: () {
-                  controller.noviceGuideService.startHomeGuide();
-                },
-                overlayBuilder: (params) {
-                  return IntroOverlayBuilder.aiBuilder(
-                    params,
-                    '欢迎使用Voitrans！首先，让我们唤醒你的专属 AI—— 小言',
-                    onNext: () {
-                      controller.noviceGuideService.startWakeupListen();
-                    },
-                  );
-                },
-                builder: (BuildContext context, GlobalKey key) => SizedBox(
-                  key: key,
-                  child: _buildAnimatedDeviceStatusCard(isDarkMode),
-                ),
-              ),
-
-              SizedBox(height: 20.h),
-
-              IntroStepBuilder(
-                group: 'home',
-                order: 2,
-                getOverlayPosition: ({
-                  required Offset offset,
-                  required Size screenSize,
-                  required Size size,
-                }) {
-                  return OverlayPosition(
-                    top: 200.h,
-                    width: screenSize.width,
-                    crossAxisAlignment: CrossAxisAlignment.end,
-                  );
-                },
-                overlayBuilder: (params) {
-                  return Obx(
-                    () => IntroOverlayBuilder.homeBuilder(
-                      params,
-                      controller.noviceGuideService.isWakeup.value,
-                      onNext: () {
-                        controller.noviceGuideService.closeWakeupListen();
-                      },
-                    ),
-                  );
-                },
-                builder: (BuildContext context, GlobalKey key) => SizedBox(
-                  key: key,
-                ),
-              ),
-
-              // 热门AI体验 - 使用 Expanded 确保始终在可视范围内
+              // 可变高度的顶部图片区域 - 使用Expanded让它占用剩余空间
               Expanded(
                 child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
-                    _buildSectionTitle(isDarkMode),
-                    SizedBox(height: 16.h),
-                    Expanded(child: _buildPremiumAILayout()),
+                    Obx(() => _buildAdaptiveEarbudsImage()),
+                    SizedBox(height: 20.h),
+                    // 设备状态卡片
+                    IntroStepBuilder(
+                      group: 'home',
+                      order: 1,
+                      onWidgetLoad: () {
+                        controller.noviceGuideService.startHomeGuide();
+                      },
+                      overlayBuilder: (params) {
+                        return IntroOverlayBuilder.aiBuilder(
+                          params,
+                          '欢迎使用Voitrans！首先，让我们唤醒你的专属 AI—— 小言',
+                          onNext: () {
+                            controller.noviceGuideService.startWakeupListen();
+                          },
+                        );
+                      },
+                      builder: (BuildContext context, GlobalKey key) =>
+                          SizedBox(
+                        key: key,
+                        child: _buildAnimatedDeviceStatusCard(isDarkMode),
+                      ),
+                    ),
+                    SizedBox(height: 20.h),
+                    IntroStepBuilder(
+                      group: 'home',
+                      order: 2,
+                      getOverlayPosition: ({
+                        required Offset offset,
+                        required Size screenSize,
+                        required Size size,
+                      }) {
+                        return OverlayPosition(
+                          top: 200.h,
+                          width: screenSize.width,
+                          crossAxisAlignment: CrossAxisAlignment.end,
+                        );
+                      },
+                      overlayBuilder: (params) {
+                        return Obx(
+                          () => IntroOverlayBuilder.homeBuilder(
+                            params,
+                            controller.noviceGuideService.isWakeup.value,
+                            onNext: () {
+                              controller.noviceGuideService.closeWakeupListen();
+                            },
+                          ),
+                        );
+                      },
+                      builder: (BuildContext context, GlobalKey key) =>
+                          SizedBox(
+                        key: key,
+                      ),
+                    ),
                   ],
                 ),
               ),
+              // 热门AI体验 - 固定在底部，基于内容的固定高度
+              Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.min, // 重要：让高度基于内容
+                children: [
+                  _buildSectionTitle(isDarkMode),
+                  SizedBox(height: 16.h),
+                  // 给AI布局一个固定的高度，或者让它基于内容自适应
+                  _buildPremiumAILayout(),
+                ],
+              ),
             ],
           ),
         ),
@@ -203,40 +210,39 @@ class HomeView extends GetView<HomeController> {
     );
   }
 
-
-
   // 自适应高度的耳机图片 - 根据设备连接状态动态调整高度
+  // 在自适应图片组件中添加RepaintBoundary
   Widget _buildAdaptiveEarbudsImage() {
     final bool isDarkMode = Get.isDarkMode;
-    // 根据设备连接状态调整图片高度
-    // 已连接时高度较小，为设备信息让出空间；未连接时高度较大
-    final double imageHeight = controller.isFullyConnectedRx.value ? 160.h : 220.h;
-
-    return AnimatedContainer(
-      duration: const Duration(milliseconds: 500), // 平滑过渡动画
-      curve: Curves.easeInOut,
-      height: imageHeight,
-      child: PageView(
-        children: [
-          Center(
-            child: ClipRRect(
-              borderRadius: BorderRadius.circular(16.r),
-              child: Image.asset(
-                isDarkMode
-                    ? 'assets/images/headphone_new3.png'
-                    : 'assets/images/headphone_new4.png',
-                height: imageHeight,
-                fit: BoxFit.contain,
+    final double imageHeight =
+        controller.isFullyConnectedRx.value ? 160.h : 220.h;
+
+    return RepaintBoundary(
+      // 添加重绘边界，优化动画性能
+      child: AnimatedContainer(
+        duration: const Duration(milliseconds: 500),
+        curve: Curves.easeInOut,
+        height: imageHeight,
+        child: PageView(
+          children: [
+            Center(
+              child: ClipRRect(
+                borderRadius: BorderRadius.circular(16.r),
+                child: Image.asset(
+                  isDarkMode
+                      ? 'assets/images/headphone_new3.png'
+                      : 'assets/images/headphone_new4.png',
+                  height: imageHeight,
+                  fit: BoxFit.contain,
+                ),
               ),
             ),
-          ),
-        ],
+          ],
+        ),
       ),
     );
   }
 
-
-
   // 带动画的设备状态卡片 - 实现平滑的高度变化过渡
   Widget _buildAnimatedDeviceStatusCard(bool isDarkMode) {
     return Obx(() {