使用 assets_util 来管理 assets

lib/widgets/floating_icon.dart

@@ -6,6 +6,7 @@ import '../screens/part_screen.dart';
 import 'floating_icon_with_wave.dart';
 import 'dart:async';
 import 'package:basic_intl/intl.dart';
+import '../utils/assets_util.dart';
 
 class FloatingIcon extends StatefulWidget {
   const FloatingIcon({super.key});
@@ -35,13 +36,13 @@ class _FloatingIconState extends State<FloatingIcon> with TickerProviderStateMix
   // 图片切换相关
   int _imageIndex = 0;
   late final List<String> _iconImages = [
-    'assets/images/ai1_hd.png',
-    'assets/images/ai0_hd.png',
+    'ai1_hd.png',
+    'ai0_hd.png',
   ];
 
   late final List<String> _iconImagesEn = [
-    'assets/images/ai1_hd_en.png',
-    'assets/images/ai0_hd_en.png',
+    'ai1_hd_en.png',
+    'ai0_hd_en.png',
   ];
 
   @override
@@ -96,7 +97,7 @@ class _FloatingIconState extends State<FloatingIcon> with TickerProviderStateMix
   // 显示全屏界面
   void _showFullScreen() async {
     _hidePartScreen();
-    final messageService = context.read<MessageService>();
+    final messageService = MessageService.instance;
 
     await Navigator.of(context).push(
       MaterialPageRoute(
@@ -170,7 +171,10 @@ class _FloatingIconState extends State<FloatingIcon> with TickerProviderStateMix
     //   }
     // });
 
-    return ChangeNotifierProvider(create: (_) => MessageService(), child: _buildFloatingIcon());
+    return ChangeNotifierProvider.value(
+      value: MessageService.instance, 
+      child: _buildFloatingIcon(),
+    );
   }
 
   Widget _buildFloatingIcon() {
@@ -249,13 +253,12 @@ class _FloatingIconState extends State<FloatingIcon> with TickerProviderStateMix
                           iconSize: iconSize,
                           waveColor: Colors.white,
                         )
-                      : Image.asset(
+                      : AssetsUtil.getImageWidget(
                           Intl.getCurrentLocale().startsWith('zh')
                               ? _iconImages[_imageIndex]
                               : _iconImagesEn[_imageIndex],
                           width: iconSize,
                           height: iconSize,
-                          package: 'ai_chat_assistant',
                         ),
                 ),
               );