diff --git a/src/layouts/MainLayout.vue b/src/layouts/MainLayout.vue
index 15141dd..a78a338 100644
--- a/src/layouts/MainLayout.vue
+++ b/src/layouts/MainLayout.vue
@@ -81,6 +81,9 @@
             @click="$q.fullscreen.toggle()"
             v-if="$q.screen.gt.sm"
           >
+            <q-tooltip style="font-size: 14px">
+              {{ $q.fullscreen.isActive ? '关闭全屏' : '开启全屏' }}
+            </q-tooltip>
           </q-btn>
           <q-btn
             flat
@@ -89,7 +92,9 @@
             icon="connected_tv"
             :color="lineNetStore.connectButtonColor"
             @click="openConnectInfoDialog"
-          />
+          >
+            <q-tooltip style="font-size: 14px">与同方连接状态</q-tooltip>
+          </q-btn>
           <q-btn-dropdown
             flat
             stretch