完善游客模式登录 并且新增设备管理

lib/app/modules/kr_home/controllers/kr_home_controller.dart

@@ -183,10 +183,7 @@ class KRHomeController extends GetxController {
       if (isValidLogin) {
         kr_currentViewStatus.value = KRHomeViewsStatus.kr_loggedIn;
         KRLogUtil.kr_i('设置为已登录状态', tag: 'HomeController');
-        
-        // 检查公告服务
-        KRAnnouncementService().kr_checkAnnouncement();
-        
+
         // 确保订阅服务初始化
         _kr_ensureSubscribeServiceInitialized();
       } else {
@@ -255,7 +252,15 @@ class KRHomeController extends GetxController {
       } else {
         kr_currentViewStatus.value = KRHomeViewsStatus.kr_notLoggedIn;
         KRLogUtil.kr_i('登录状态变化：设置为未登录', tag: 'HomeController');
+
+        // 重置列表状态，防止出现无限高度
+        kr_currentListStatus.value = KRHomeViewsListStatus.kr_none;
+
+        // 退出登录清理订阅服务
         kr_subscribeService.kr_logout();
+
+        // 显式更新底部面板高度，确保未登录状态下高度正确
+        kr_updateBottomPanelHeight();
       }
     } catch (e) {
       KRLogUtil.kr_e('处理登录状态变化失败: $e', tag: 'HomeController');

lib/app/modules/kr_home/views/kr_home_connection_options_view.dart

@@ -26,30 +26,13 @@ class KRHomeConnectionOptionsView extends GetView<KRHomeController> {
           ),
         ),
         SizedBox(height: 8.w),
-        Row(
-          children: [
-            Flexible(
-              child: _buildConnectionOption(
-                "home_server",
-                AppTranslations.kr_home.dedicatedServers,
-                context,
-                onTap: () {
-                  controller.kr_switchListStatus(KRHomeViewsListStatus.kr_serverList);
-                },
-              ),
-            ),
-            SizedBox(width: 12.w),
-            Flexible(
-              child: _buildConnectionOption(
-                "home_ct",
-                AppTranslations.kr_home.countryRegion,
-                context,
-                onTap: () {
-                  controller.kr_switchListStatus(KRHomeViewsListStatus.kr_countrySubscribeList);
-                },
-              ),
-            ),
-          ],
+        _buildConnectionOption(
+          "home_ct",
+          AppTranslations.kr_home.countryRegion,
+          context,
+          onTap: () {
+            controller.kr_switchListStatus(KRHomeViewsListStatus.kr_countrySubscribeList);
+          },
         ),
       ],
     );

lib/app/modules/kr_home/views/kr_home_view.dart

@@ -31,28 +31,32 @@ class KRHomeView extends GetView<KRHomeController> {
               // 地图视图
               const KRHomeMapView(),
               // 登录视图
-              Positioned(
-                left: 0,
-                right: 0,
-                bottom: 0,
-                child: Container(
-                  clipBehavior: Clip.antiAlias,
-                  decoration: BoxDecoration(
-                    color: Theme.of(context).cardColor,
-                    borderRadius: const BorderRadius.only(
-                      topLeft: Radius.circular(20),
-                      topRight: Radius.circular(20),
-                    ),
-                    boxShadow: [
-                      BoxShadow(
-                        color: Colors.black.withOpacity(0.1),
-                        spreadRadius: 0,
-                        blurRadius: 10,
-                        offset: const Offset(0, -2),
-                      ),
-                    ],
+              Align(
+                alignment: Alignment.bottomCenter,
+                child: ConstrainedBox(
+                  constraints: BoxConstraints(
+                    maxHeight: MediaQuery.of(context).size.height * 0.8,
+                  ),
+                  child: Container(
+                    width: double.infinity,
+                    clipBehavior: Clip.antiAlias,
+                    decoration: BoxDecoration(
+                      color: Theme.of(context).cardColor,
+                      borderRadius: const BorderRadius.only(
+                        topLeft: Radius.circular(20),
+                        topRight: Radius.circular(20),
+                      ),
+                      boxShadow: [
+                        BoxShadow(
+                          color: Colors.black.withOpacity(0.1),
+                          spreadRadius: 0,
+                          blurRadius: 10,
+                          offset: const Offset(0, -2),
+                        ),
+                      ],
+                    ),
+                    child: const KRLoginView(),
                   ),
-                  child: const KRLoginView(),
                 ),
               ),
             ],