badge优化

lib/pages/home/content_card.dart

@@ -437,6 +437,7 @@ class _NetworkImageWidget extends StatelessWidget {
         imageUrl: '$imageUrl?x-oss-process=image/format,webp/resize,w_320',
         width: 80,
         height: 80,
+        fit: BoxFit.cover,
         imageBuilder: (context, imageProvider) => Container(
           decoration: BoxDecoration(
             borderRadius: BorderRadius.circular(8),

lib/pages/main/main_page.dart

@@ -129,7 +129,7 @@ class _MainPageState extends State<MainPage> {
         showBadge: unreadCount > 0,
         tdBadge: TDBadge(TDBadgeType.message, count: unreadCount.toString(), maxCount: '99'),
         badgeTopOffset: -2,
-        badgeRightOffset: unreadCount >= 99 ? -20 : (unreadCount >= 10 ? -15 : -10),
+        badgeRightOffset: unreadCount >= 99 ? -20 : -8,
       ),
       onTap: () {
         currentIndex = index;

lib/pages/message/conversation_tab.dart

@@ -204,24 +204,7 @@ class _ConversationTabState extends State<ConversationTab>
                                       ),
                                     ),
                                     if (unreadCount > 0)
-                                      Container(
-                                        margin: const EdgeInsets.only(left: 8),
-                                        padding: const EdgeInsets.symmetric(
-                                          horizontal: 8,
-                                          vertical: 2,
-                                        ),
-                                        decoration: BoxDecoration(
-                                          color: Colors.red,
-                                          borderRadius: BorderRadius.circular(10),
-                                        ),
-                                        child: Text(
-                                          unreadCount.toString(),
-                                          style: const TextStyle(
-                                            fontSize: 12,
-                                            color: Colors.white,
-                                          ),
-                                        ),
-                                      ),
+                                      TDBadge(TDBadgeType.message, count: unreadCount.toString(), maxCount: '99')
                                   ],
                                 ),
                               ],