主页Tabbar的消息数量优化；

lib/pages/main/main_page.dart

@@ -108,76 +108,29 @@ class _MainPageState extends State<MainPage> {
             componentType: TDBottomTabBarComponentType.normal,
             useVerticalDivider: false,
             navigationTabs: [
-              tabItem('首页', Assets.imagesHomePre, Assets.imagesHomeNol, 0),
-              tabItem('找对象', Assets.imagesDiscoverPre, Assets.imagesDiscoverNol, 1),
-          tabItemWithBadge('消息', Assets.imagesMessagePre, Assets.imagesMessageNol, 2, unreadCount),
-              tabItem('我的', Assets.imagesMinePre, Assets.imagesMineNol, 3),
+              tabItem('首页', Assets.imagesHomePre, Assets.imagesHomeNol, 0, 0),
+              tabItem('找对象', Assets.imagesDiscoverPre, Assets.imagesDiscoverNol, 1, 0),
+              tabItem('消息', Assets.imagesMessagePre, Assets.imagesMessageNol, 2, unreadCount),
+              tabItem('我的', Assets.imagesMinePre, Assets.imagesMineNol, 3, 0),
             ]
-    );
+      );
     });
   }
 
   /// 底部导航栏item
-  TDBottomTabBarTabConfig tabItem(String title, String selectedIcon, String unselectedIcon, int index) {
+  TDBottomTabBarTabConfig tabItem(String title, String selectedIcon, String unselectedIcon, int index, int unreadCount) {
     return TDBottomTabBarTabConfig(
       tabText: title,
       selectedIcon: Image.asset(selectedIcon, width: 25, height: 25, fit: BoxFit.cover),
       unselectedIcon: Image.asset(unselectedIcon, width: 25, height: 25, fit: BoxFit.cover),
       selectTabTextStyle: TextStyle(color: Color(0xFFED4AC3)),
       unselectTabTextStyle: TextStyle(color: Color(0xFF999999)),
-      onTap: () {
-        currentIndex = index;
-        pageController.jumpToPage(index);
-      },
-    );
-  }
-
-  /// 底部导航栏item（带未读数红点）
-  TDBottomTabBarTabConfig tabItemWithBadge(String title, String selectedIcon, String unselectedIcon, int index, int unreadCount) {
-    // 构建带未读数红点的图标
-    Widget buildIconWithBadge(String iconPath, bool isSelected) {
-      return Stack(
-        clipBehavior: Clip.none,
-        children: [
-          Image.asset(iconPath, width: 25, height: 25, fit: BoxFit.cover),
-          if (unreadCount > 0)
-            Positioned(
-              right: -6.w,
-              top: -6.w,
-              child: Container(
-                padding: EdgeInsets.symmetric(horizontal: unreadCount > 99 ? 4.w : 5.w, vertical: 2.w),
-                decoration: BoxDecoration(
-                  color: Color(0xFFFF3B30),
-                  borderRadius: BorderRadius.circular(10.w),
-                  border: Border.all(color: Colors.white, width: 1.w),
-                ),
-                constraints: BoxConstraints(
-                  minWidth: 16.w,
-                  minHeight: 16.w,
-                ),
-                child: Center(
-                  child: Text(
-                    unreadCount > 99 ? '99+' : unreadCount.toString(),
-                    style: TextStyle(
-                      color: Colors.white,
-                      fontSize: 10.sp,
-                      fontWeight: FontWeight.w500,
-                    ),
-                    textAlign: TextAlign.center,
-                  ),
-                ),
-              ),
-            ),
-        ],
-      );
-    }
-
-    return TDBottomTabBarTabConfig(
-      tabText: title,
-      selectedIcon: buildIconWithBadge(selectedIcon, true),
-      unselectedIcon: buildIconWithBadge(unselectedIcon, false),
-      selectTabTextStyle: TextStyle(color: Color(0xFFED4AC3)),
-      unselectTabTextStyle: TextStyle(color: Color(0xFF999999)),
+      badgeConfig: BadgeConfig(
+        showBadge: unreadCount > 0,
+        tdBadge: TDBadge(TDBadgeType.message, count: unreadCount.toString(), maxCount: '99'),
+        badgeTopOffset: -2,
+        badgeRightOffset: unreadCount >= 99 ? -20 : (unreadCount >= 10 ? -15 : -10),
+      ),
       onTap: () {
         currentIndex = index;
         pageController.jumpToPage(index);