feat(app): 完善播放协议搜索与空状态

lib/pages/mine/widgets/mine_header.dart

@@ -14,7 +14,7 @@ import '../../../core/widgets/remote_image.dart';
 import '../../../l10n/app_localizations.dart';
 
 const double _buttonHeight = 34;
-const double _buttonRadius = 20;
+const double _buttonRadius = 6;
 
 /// 「我的」页用户区。
 class MineHeader extends StatelessWidget {

lib/pages/mine/widgets/mine_menu.dart

@@ -209,7 +209,14 @@ class MineMenuList extends StatelessWidget {
                   label: l10n.settings,
                   onTap: () => onOpen(MineDestination.settings),
                 ),
-                _cell(index: 7),
+                _cell(
+                  index: 7,
+                  actionKey: const Key('mine-notices'),
+                  icon: Icons.notifications_none_rounded,
+                  iconColor: AppColors.mineIconNotices,
+                  label: l10n.notices,
+                  onTap: () => onOpen(MineDestination.notices),
+                ),
               ],
             ),
           ],