diff --git a/packages/ui/src/components/FullscreenDialog.vue b/packages/ui/src/components/FullscreenDialog.vue
new file mode 100644
index 00000000..46ef2c46
--- /dev/null
+++ b/packages/ui/src/components/FullscreenDialog.vue
@@ -0,0 +1,48 @@
+<template>
+  <Teleport to="body">
+    <div v-if="modelValue" class="fixed inset-0 theme-mask z-[60] flex items-center justify-center overflow-y-auto">
+      <div class="relative theme-manager-container min-h-[50vh] max-h-[90vh] w-[90vw] m-4 flex flex-col">
+        <!-- 标题栏 -->
+        <div class="flex items-center justify-between p-4 border-b theme-manager-border">
+          <h3 class="text-lg font-semibold theme-manager-text">{{ title }}</h3>
+          <button
+            @click="$emit('update:modelValue', false)"
+            class="theme-manager-text-secondary hover:theme-manager-text transition-colors text-xl"
+          >
+            ×
+          </button>
+        </div>
+        
+        <!-- 内容区域 -->
+        <div class="flex-1 p-4 overflow-auto">
+          <slot></slot>
+        </div>
+      </div>
+    </div>
+  </Teleport>
+</template>
+
+<script setup lang="ts">
+defineProps({
+  modelValue: {
+    type: Boolean,
+    required: true
+  },
+  title: {
+    type: String,
+    default: ''
+  }
+})
+
+defineEmits(['update:modelValue'])
+</script>
+
+<style scoped>
+.overflow-auto {
+  scrollbar-width: none;
+  -ms-overflow-style: none;
+}
+.overflow-auto::-webkit-scrollbar {
+  display: none;
+}
+</style>
\ No newline at end of file
diff --git a/packages/ui/src/components/OutputPanel.vue b/packages/ui/src/components/OutputPanel.vue
index 02b70bd1..b5324cf7 100644
--- a/packages/ui/src/components/OutputPanel.vue
+++ b/packages/ui/src/components/OutputPanel.vue
@@ -6,13 +6,24 @@
       <div v-else-if="!hideTitle" class="text-lg font-semibold theme-text">{{ t('output.title') }}</div>
       <div v-else></div>
       
-      <button
-        v-if="contentTokens.length > 0 && !isStreaming"
-        @click="copySelectedText"
-        class="px-3 py-1.5 theme-button-secondary flex items-center space-x-2"
-      >
-        <span>{{ t('prompt.copy') }}</span>
-      </button>
+      <div class="flex items-center space-x-2">
+        <button
+          v-if="contentTokens.length > 0 && !isStreaming"
+          @click="copySelectedText"
+          class="px-3 py-1.5 theme-button-secondary flex items-center space-x-2"
+        >
+          <span>{{ t('prompt.copy') }}</span>
+        </button>
+        <button
+          @click="isFullscreen = true"
+          class="px-3 py-1.5 theme-button-secondary flex items-center space-x-2"
+          :title="t('output.expand')"
+        >
+          <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M4 8V4m0 0h4M4 4l5 5m11-1V4m0 0h-4m4 0l-5 5M4 16v4m0 0h4m-4 0l5-5m11 5l-5-5m5 5v-4m0 4h-4" />
+          </svg>
+        </button>
+      </div>
     </div>
 
     <div class="flex-1 min-h-0 relative">
@@ -44,6 +55,12 @@
       </div>
     </div>
   </div>
+  <FullscreenDialog v-model="isFullscreen" :title="resultTitle || t('output.title')">
+    <div class="h-full theme-input whitespace-pre-wrap">
+      <MarkdownRenderer v-if="props.enableMarkdown" :content="displayContent" />
+      <span v-else v-text="displayContent" class="theme-text"></span>
+    </div>
+  </FullscreenDialog>
 </template>
 
 <script setup lang="ts">
@@ -53,12 +70,14 @@ import { useToast } from '../composables/useToast'
 import { useAutoScroll } from '../composables/useAutoScroll'
 import { useClipboard } from '../composables/useClipboard'
 import MarkdownRenderer from './MarkdownRenderer.vue'
+import FullscreenDialog from './FullscreenDialog.vue'
 
 const { t } = useI18n()
 const toast = useToast()
 const { copyText } = useClipboard()
 const contentTokens = ref<string[]>([])
 const isStreaming = ref(false)
+const isFullscreen = ref(false)
 
 // 使用自动滚动组合式函数
 const { elementRef: resultContainer, onContentChange, forceScrollToBottom, shouldAutoScroll } = useAutoScroll<HTMLDivElement>({