diff --git a/app/components/DeepResearch/DeepResearch.vue b/app/components/DeepResearch/DeepResearch.vue
index 72d709b..4cf8b2f 100644
--- a/app/components/DeepResearch/DeepResearch.vue
+++ b/app/components/DeepResearch/DeepResearch.vue
@@ -345,19 +345,21 @@
 <template>
   <UModal v-if="isFullscreen" open fullscreen :ui="{ body: '!pr-0' }">
     <template #header>
-      <div class="flex items-center justify-between">
+      <div class="w-full flex items-center justify-between">
         <div>
           <h2 class="font-bold">{{ t('webBrowsing.title') }}</h2>
           <p class="text-sm text-gray-500">
             {{ t('webBrowsing.clickToView') }}
           </p>
         </div>
-        <UButton
-          icon="i-heroicons-arrows-pointing-out"
-          :variant="isFullscreen ? 'solid' : 'ghost'"
-          :color="isFullscreen ? 'primary' : 'info'"
-          @click="toggleFullscreen"
-        />
+        <UTooltip :text="t('exitFullscreen')" :delay-duration="100">
+          <UButton
+            icon="i-material-symbols:fullscreen-exit"
+            variant="ghost"
+            color="info"
+            @click="toggleFullscreen"
+          />
+        </UTooltip>
       </div>
     </template>
 
@@ -397,12 +399,14 @@
             {{ t('webBrowsing.clickToView') }}
           </p>
         </div>
-        <UButton
-          icon="i-heroicons-arrows-pointing-out"
-          variant="ghost"
-          color="info"
-          @click="toggleFullscreen"
-        />
+        <UTooltip :text="t('fullscreen')" :delay-duration="100">
+          <UButton
+            icon="i-material-symbols:fullscreen"
+            variant="ghost"
+            color="info"
+            @click="toggleFullscreen"
+          />
+        </UTooltip>
       </div>
     </template>
     <div class="flex flex-col">
diff --git a/i18n/en.json b/i18n/en.json
index b93803d..4897bd9 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -115,5 +115,7 @@
     "newVersionDescription": "Note: If you are using a self-hosted version, please re-deploy to get new features and bug fixes.",
     "refresh": "Refresh page",
     "dismiss": "Dismiss"
-  }
+  },
+  "fullscreen": "Fullscreen",
+  "exitFullscreen": "Exit fullscreen"
 }
diff --git a/i18n/nl.json b/i18n/nl.json
index 6064961..478ae73 100644
--- a/i18n/nl.json
+++ b/i18n/nl.json
@@ -115,5 +115,7 @@
     "newVersionDescription": "Let op: Als u een zelfgehoste versie gebruikt, implementeer deze dan opnieuw om nieuwe functies en bugfixes te krijgen.",
     "refresh": "Pagina vernieuwen",
     "dismiss": "Afwijzen"
-  }
+  },
+  "exitFullscreen": "Volledig scherm verlaten",
+  "fullscreen": "Volledig scherm"
 }
diff --git a/i18n/zh.json b/i18n/zh.json
index 02f0b99..47bef65 100644
--- a/i18n/zh.json
+++ b/i18n/zh.json
@@ -115,5 +115,7 @@
     "newVersionDescription": "注：如果您使用的是自部署页面，请使用最新代码重新部署，即可获得最新功能和 bug 修复。",
     "refresh": "刷新",
     "dismiss": "忽略"
-  }
+  },
+  "exitFullscreen": "退出全屏",
+  "fullscreen": "全屏"
 }