mod: 未登录不显示消息入口

lib/pages/home/view.dart

@@ -139,10 +139,12 @@ class CustomAppBar extends StatelessWidget implements PreferredSizeWidget {
               child: Row(
                 children: [
                   const Expanded(child: SearchPage()),
+                  if (ctr!.userLogin.value) ...[
                     const SizedBox(width: 6),
                     IconButton(
                         onPressed: () => Get.toNamed('/whisper'),
-                      icon: const Icon(Icons.notifications_none)),
+                        icon: const Icon(Icons.notifications_none))
+                  ],
                   const SizedBox(width: 6),
                   Obx(
                     () => ctr!.userLogin.value