diff --git a/lang/en-us/ai-chat/index.js b/lang/en-us/ai-chat/index.js
new file mode 100644
index 0000000..b3ca06d
--- /dev/null
+++ b/lang/en-us/ai-chat/index.js
@@ -0,0 +1,99 @@
+export const lang = {
+	//title for each page
+	title: 'AI Customer Service',
+
+	// ====== Common ======
+	cancel: 'Cancel',
+	save: 'Save',
+	send: 'Send',
+	retry: 'Retry',
+
+	// ====== ai-chat-message ======
+	aiNickname: 'AI Assistant',
+	defaultNickname: 'Me',
+	audioMessage: 'Voice Message',
+	videoMessage: 'Video Message',
+	inputPlaceholder: 'Please enter your question...',
+	expandEditorTitle: 'Edit Content',
+	loadMoreHistory: 'Load more history',
+	loadingHistory: 'Loading history...',
+	aiThinking: 'AI is thinking',
+	receivingReply: 'Receiving reply',
+	aiThinkingStatus1: 'AI is thinking',
+	aiThinkingStatus2: 'AI is analyzing',
+	aiThinkingStatus3: 'AI is searching',
+	aiThinkingStatus4: 'AI is generating',
+	serviceUnavailable: 'Sorry, the AI service is temporarily unavailable. Please try again later.',
+	serviceTemporaryUnavailable: 'Sorry, the service is temporarily unavailable. Please try again later.',
+	noContentToCopy: 'No content to copy',
+	copySuccess: 'Copied',
+	copySelected: 'Copied selected content',
+	copyFail: 'Copy failed',
+	openingFile: 'Opening file...',
+	fileOpenFail: 'Failed to open file',
+	loadHistoryFail: 'Failed to load history',
+	about: '0B',
+
+	// ====== ai-chat-search ======
+	searchEntrance: 'Search',
+	searchPlaceholder: 'Search chat history',
+	searchClose: 'Done',
+	noMatchResult: 'No matching results',
+	searchAtTop: 'Already at top',
+	searchAtBottom: 'Already at bottom',
+
+	// ====== index.vue ======
+	settingsTitle: 'Settings',
+	fallbackWelcome: 'Hello! I am an AI customer service assistant, glad to serve you!\n\nI can help you with:\n• Product-related questions\n• Order issues\n• Technical support\n• Product recommendations\n\nPlease tell me how I can assist you?',
+	changeAvatar: 'Change Avatar',
+	changeAvatarDesc: 'Customize your chat avatar',
+	changeNickname: 'Change Nickname',
+	changeNicknameDesc: 'Customize your nickname',
+	clearChat: 'Clear Chat',
+	exportChat: 'Export Records',
+	help: 'Help',
+	confirmClearChat: 'Are you sure you want to clear the chat?',
+	chatCleared: 'Chat history has been cleared. How can I help you?',
+	featureDeveloping: 'Feature under development',
+	thanksFeedback: 'Thank you for your feedback!',
+	improveService: 'We will improve our service',
+	openLink: 'Open Link',
+	confirmOpenLink: 'Are you sure you want to open this link: ',
+	operationFailed: 'Operation failed, please try again',
+	prompt: 'Prompt',
+	serviceTypeNotSupported: 'Current service type does not support this page',
+
+	// ====== ai-chat-avatar-selector ======
+	avatarSelectorTitle: 'Change Avatar',
+	chooseFromAlbum: 'Choose from Album',
+	avatarChangeSuccess: 'Avatar changed successfully',
+	enableAlbumPermission: 'Please enable album permission',
+
+	// ====== ai-chat-emoji-panel ======
+	emojiTitle: 'Emoji',
+
+	// ====== ai-chat-nickname-editor ======
+	editNickname: 'Edit Nickname',
+	newNicknamePlaceholder: 'Please enter your new nickname',
+	nicknameTip: 'Nickname length 1-12 characters, visible only to you',
+	nicknameChangeSuccess: 'Nickname changed successfully',
+
+	// ====== ai-chat-tools-panel ======
+	moreFunctions: 'More Features',
+	image: 'Image',
+	file: 'File',
+	voice: 'Voice',
+	location: 'Location',
+
+	// ====== ai-chat-voice-panel ======
+	voiceInputTitle: 'Voice Input',
+	recordingTip: 'Recording, release to end',
+	startRecordTip: 'Tap to start recording',
+	voiceInputFailed: 'Voice input failed',
+
+	// ====== index.vue - Menu ======
+	menuClearChat: 'Clear Chat',
+	menuExport: 'Export Records',
+	menuSettings: 'Settings',
+	menuHelp: 'Help'
+}
diff --git a/lang/en-us/ai/ai-chat.js b/lang/en-us/ai/ai-chat.js
deleted file mode 100644
index 34f4227..0000000
--- a/lang/en-us/ai/ai-chat.js
+++ /dev/null
@@ -1,4 +0,0 @@
-export const lang = {
-	//title为每个页面的标题
-	title: 'AI Intelligent Customer Service'
-}
\ No newline at end of file
diff --git a/lang/zh-cn/ai-chat/index.js b/lang/zh-cn/ai-chat/index.js
new file mode 100644
index 0000000..496ebe1
--- /dev/null
+++ b/lang/zh-cn/ai-chat/index.js
@@ -0,0 +1,99 @@
+export const lang = {
+	//title为每个页面的标题
+	title: 'AI智能客服',
+
+	// ====== 通用 ======
+	cancel: '取消',
+	save: '保存',
+	send: '发送',
+	retry: '重试',
+
+	// ====== ai-chat-message ======
+	aiNickname: '智能助手',
+	defaultNickname: '我',
+	audioMessage: '语音消息',
+	videoMessage: '视频消息',
+	inputPlaceholder: '请输入您的问题...',
+	expandEditorTitle: '编辑内容',
+	loadMoreHistory: '加载更多历史消息',
+	loadingHistory: '加载历史消息中...',
+	aiThinking: 'AI正在思考',
+	receivingReply: '正在接收回复',
+	aiThinkingStatus1: 'AI正在思考',
+	aiThinkingStatus2: 'AI正在分析',
+	aiThinkingStatus3: 'AI正在检索',
+	aiThinkingStatus4: 'AI正在生成',
+	serviceUnavailable: '抱歉，AI服务暂时不可用，请稍后重试。',
+	serviceTemporaryUnavailable: '抱歉，服务暂时不可用，请稍后重试。',
+	noContentToCopy: '无可复制的内容',
+	copySuccess: '已复制',
+	copySelected: '已复制选中内容',
+	copyFail: '复制失败',
+	openingFile: '打开文件中...',
+	fileOpenFail: '文件打开失败',
+	loadHistoryFail: '加载历史失败',
+	about: '0B',
+
+	// ====== ai-chat-search ======
+	searchEntrance: '搜索',
+	searchPlaceholder: '搜索聊天记录',
+	searchClose: '完成',
+	noMatchResult: '未找到匹配结果',
+	searchAtTop: '已到顶部',
+	searchAtBottom: '已到底部',
+
+	// ====== index.vue ======
+	settingsTitle: '设置',
+	fallbackWelcome: '您好！我是AI智能客服，很高兴为您服务！\n\n我可以帮您：\n• 解答产品相关问题\n• 处理订单问题\n• 提供技术支持\n• 推荐相关商品\n\n请告诉我您需要什么帮助？',
+	changeAvatar: '更换头像',
+	changeAvatarDesc: '自定义您的聊天头像',
+	changeNickname: '更换昵称',
+	changeNicknameDesc: '自定义您的昵称',
+	clearChat: '清空聊天',
+	exportChat: '导出记录',
+	help: '帮助',
+	confirmClearChat: '确定要清空聊天记录吗？',
+	chatCleared: '聊天记录已清空，有什么可以帮助您的吗？',
+	featureDeveloping: '功能开发中',
+	thanksFeedback: '感谢您的反馈！',
+	improveService: '我们会改进服务',
+	openLink: '打开链接',
+	confirmOpenLink: '确定要打开链接：',
+	operationFailed: '操作失败，请重试',
+	prompt: '提示',
+	serviceTypeNotSupported: '当前客服类型不支持此页面',
+
+	// ====== ai-chat-avatar-selector ======
+	avatarSelectorTitle: '更换头像',
+	chooseFromAlbum: '从相册选择',
+	avatarChangeSuccess: '头像更换成功',
+	enableAlbumPermission: '请开启相册权限',
+
+	// ====== ai-chat-emoji-panel ======
+	emojiTitle: '表情',
+
+	// ====== ai-chat-nickname-editor ======
+	editNickname: '修改昵称',
+	newNicknamePlaceholder: '请输入您的新昵称',
+	nicknameTip: '昵称长度限制1-12个字符，仅自己可见',
+	nicknameChangeSuccess: '昵称修改成功',
+
+	// ====== ai-chat-tools-panel ======
+	moreFunctions: '更多功能',
+	image: '图片',
+	file: '文件',
+	voice: '语音',
+	location: '位置',
+
+	// ====== ai-chat-voice-panel ======
+	voiceInputTitle: '语音输入',
+	recordingTip: '正在录音，松开结束',
+	startRecordTip: '点击开始录音',
+	voiceInputFailed: '语音输入失败',
+
+	// ====== index.vue - 菜单 ======
+	menuClearChat: '清空聊天',
+	menuExport: '导出记录',
+	menuSettings: '设置',
+	menuHelp: '帮助'
+}
diff --git a/lang/zh-cn/ai/ai-chat.js b/lang/zh-cn/ai/ai-chat.js
deleted file mode 100644
index 0f589fe..0000000
--- a/lang/zh-cn/ai/ai-chat.js
+++ /dev/null
@@ -1,4 +0,0 @@
-export const lang = {
-	//title为每个页面的标题
-	title: 'AI智能客服'
-}
\ No newline at end of file
diff --git a/pages_tool/ai-chat/ai-chat-message.vue b/pages_tool/ai-chat/ai-chat-message.vue
index 6f44e1a..e8c28c7 100644
--- a/pages_tool/ai-chat/ai-chat-message.vue
+++ b/pages_tool/ai-chat/ai-chat-message.vue
@@ -4,6 +4,7 @@
     <ai-chat-search
       ref="searchRef"
       :messages="messages"
+      :show-label="false"
       @scroll-to="onSearchScrollTo"
       @active-change="onSearchActiveChange"
       @result-change="onSearchResultChange"
@@ -73,7 +74,7 @@
           <view class="message-content">
             <!-- AI昵称固定，不可修改 - 左移到气泡上方 -->
             <view class="message-nickname ai-nickname">
-              <text class="ai-nickname-text">智能助手</text>
+              <text class="ai-nickname-text">{{ $lang('aiNickname') }}</text>
               <text class="message-time">{{ formatTime(message.timestamp) }}</text>
             </view>
             <view class="message-bubble"
@@ -118,7 +119,7 @@
               <view v-else-if="message.type === 'audio'" class="audio-content">
                 <view class="audio-player">
                   <view class="audio-info">
-                    <text class="audio-title">{{ message.title || '语音消息' }}</text>
+                    <text class="audio-title">{{ message.title || $lang('audioMessage') }}</text>
                     <text class="audio-duration">{{ formatDuration(message.duration) }}</text>
                   </view>
                   <view class="audio-controls">
@@ -156,7 +157,7 @@
                     @pause="onVideoPause(message)">
                   </video>
                   <view class="video-info">
-                    <text class="video-title">{{ message.title || '视频消息' }}</text>
+                    <text class="video-title">{{ message.title || $lang('videoMessage') }}</text>
                     <text class="video-duration">{{ formatDuration(message.duration) }}</text>
                   </view>
                 </view>
@@ -186,7 +187,7 @@
                     <text class="dot"></text>
                   </view>
                   <text class="loading-text">
-                    <text class="loading-status">{{ message.loadingText || 'AI正在思考' }}</text>
+                    <text class="loading-status">{{ message.loadingText || $lang('aiThinking') }}</text>
                     <text class="loading-ellipsis">
                       <text class="ellipsis-dot">.</text>
                       <text class="ellipsis-dot">.</text>
@@ -231,7 +232,7 @@
         <textarea 
           v-model="inputText" 
           class="message-input"
-          placeholder="请输入您的问题..."
+          :placeholder="$lang('inputPlaceholder')"
           :maxlength="500"
           :auto-height="true"
           :show-confirm-bar="false"
@@ -257,7 +258,7 @@
           :class="{ disabled: !canSendMessage }"
           @click="sendMessage"
           :disabled="!canSendMessage">
-          <text>发送</text>
+          <text>{{ $lang('send') }}</text>
         </button>
       </view>
     </view>
@@ -282,7 +283,7 @@
       <view class="expand-editor-mask" @click="closeExpandEditor"></view>
       <view class="expand-editor-panel">
         <view class="expand-editor-header">
-          <text>编辑内容</text>
+          <text>{{ $lang('expandEditorTitle') }}</text>
           <button class="close-btn" @click="closeExpandEditor">
             <text>×</text>
           </button>
@@ -290,15 +291,15 @@
         <textarea 
           v-model="expandInputText" 
           class="expand-editor-input"
-          placeholder="请输入您的问题..."
+          :placeholder="$lang('inputPlaceholder')"
           :maxlength="500"
           :auto-height="true"
           :show-confirm-bar="false"
           :adjust-position="true"
           :focus="true" />
         <view class="expand-editor-footer">
-          <button class="expand-cancel-btn" @click="closeExpandEditor">取消</button>
-          <button class="expand-send-btn" @click="sendFromExpandEditor" :disabled="!expandInputText.trim()">发送</button>
+          <button class="expand-cancel-btn" @click="closeExpandEditor">{{ $lang('cancel') }}</button>
+          <button class="expand-send-btn" @click="sendFromExpandEditor" :disabled="!expandInputText.trim()">{{ $lang('send') }}</button>
         </view>
       </view>
     </view>
@@ -396,7 +397,7 @@ export default {
       scrollTop: 0,
       scrollIntoViewId: null,
       hasMoreHistory: false,
-      loadingText: '加载更多历史消息',
+      loadingText: this.$lang('loadMoreHistory'),
       voiceInputing: false,
       audioContext: null,
       currentAudio: null,
@@ -416,7 +417,7 @@ export default {
       localUserAvatar: '',
     showAvatarSelector: false, // 头像选择弹窗控制
     localUserNickname: '', // 当前用户昵称
-    defaultNickname: '我', // 默认昵称
+    defaultNickname: this.$lang('defaultNickname'), // 默认昵称
     showNicknameEditor: false, // 昵称编辑弹窗控制
     // AI头像错误状态
     avatarError: false,
@@ -823,12 +824,12 @@ async loadChatHistoryIfExist() {
         type: 'loading',
         content: '',
         timestamp: Date.now(),
-        loadingText: 'AI正在思考',
+        loadingText: this.$lang('aiThinking'),
         _loadingIndex: 0
       }
       this.shouldScrollToBottom = true
       this.messages.push(loadingMessage)
-      
+
       // 启动处理状态文字轮换
       this._startLoadingTextRotation(loadingMessage)
       
@@ -856,10 +857,10 @@ async loadChatHistoryIfExist() {
           id: ++this.messageId,
           role: 'ai',
           type: 'text',
-          content: '抱歉，AI服务暂时不可用，请稍后重试。',
+          content: this.$lang('serviceUnavailable'),
           timestamp: Date.now(),
           actions: [
-            { id: 1, text: '重试', type: 'retry' }
+            { id: 1, text: this.$lang('retry'), type: 'retry' }
           ]
         }
         this.shouldScrollToBottom = true
@@ -940,7 +941,7 @@ async sendStreamMessage(userMessage) {
   this.isStreaming = true
   const loadingMsg = this.messages[loadingIdx]
   this._stopLoadingTextRotation(loadingMsg)
-  loadingMsg.loadingText = '正在接收回复'
+  loadingMsg.loadingText = this.$lang('receivingReply')
 
   let transformed = false
 
@@ -1006,15 +1007,16 @@ async sendStreamMessage(userMessage) {
       id: ++this.messageId,
       role: 'ai',
       type: 'text',
-      content: '抱歉，服务暂时不可用，请稍后重试。',
+      content: this.$lang('serviceTemporaryUnavailable'),
       timestamp: Date.now(),
-      actions: [{ id: 1, text: '重试', type: 'retry' }]
+      actions: [{ id: 1, text: this.$lang('retry'), type: 'retry' }]
     }
     this.messages.push(errorMsg)
     this.$emit('ai-response', errorMsg)
   }
 },
 
+
 // 完成流式消息处理（共用逻辑）
 _finishStream(msg, result) {
   msg.isStreaming = false
@@ -1051,9 +1053,9 @@ _handleStreamError(msg) {
     id: ++this.messageId,
     role: 'ai',
     type: 'text',
-    content: '抱歉，服务暂时不可用，请稍后重试。',
+    content: this.$lang('serviceTemporaryUnavailable'),
     timestamp: Date.now(),
-    actions: [{ id: 1, text: '重试', type: 'retry' }]
+    actions: [{ id: 1, text: this.$lang('retry'), type: 'retry' }]
   }
   this.messages.push(errorMsg)
   this.$emit('ai-response', errorMsg)
@@ -1339,9 +1341,9 @@ _handleStreamError(msg) {
     
     // 格式化文件大小
     formatFileSize(bytes) {
-      if (!bytes) return '0B'
+      if (!bytes) return this.$lang('about')
       const k = 1024
-      const sizes = ['B', 'KB', 'MB', 'GB']
+      const sizes = [this.$lang('about'), 'KB', 'MB', 'GB']
       const i = Math.floor(Math.log(bytes) / Math.log(k))
       return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + sizes[i]
     },
@@ -1429,7 +1431,7 @@ _handleStreamError(msg) {
         }
       } catch (error) {
         console.error('加载历史失败:', error);
-        uni.showToast({ title: '加载历史失败', icon: 'none' });
+        uni.showToast({ title: this.$lang('loadHistoryFail'), icon: 'none' });
         this.hasMoreHistory = false;
       } finally {
         this.isLoadingHistory = false;
@@ -1444,7 +1446,7 @@ _handleStreamError(msg) {
 
     // 预览文件
     previewFile(message) {
-      uni.showLoading({ title: '打开文件中...' })
+      uni.showLoading({ title: this.$lang('openingFile') })
       
       // #ifdef H5
       window.open(message.url, '_blank')
@@ -1454,7 +1456,7 @@ _handleStreamError(msg) {
       plus.runtime.openFile(message.url, {
         error: (e) => {
           uni.showToast({
-            title: '文件打开失败',
+            title: this.$lang('fileOpenFail'),
             icon: 'none'
           })
         }
@@ -1628,7 +1630,7 @@ _handleStreamError(msg) {
         copyText = message.content || ''
       }
       if (!copyText) {
-        uni.showToast({ title: '无可复制的内容', icon: 'none' })
+        uni.showToast({ title: this.$lang('noContentToCopy'), icon: 'none' })
         return
       }
 
@@ -1661,12 +1663,12 @@ _handleStreamError(msg) {
         data: copyText,
         success: () => {
           console.log('[AI Chat] 复制成功')
-          uni.showToast({ title: '已复制', icon: 'success' })
+          uni.showToast({ title: this.$lang('copySuccess'), icon: 'success' })
         },
         fail: (err) => {
           console.error('[AI Chat] 复制失败, 详细错误:', JSON.stringify(err))
           console.error('[AI Chat] 复制失败 errMsg:', err.errMsg || err.message || '无错误消息')
-          uni.showToast({ title: '复制失败: ' + (err.errMsg || '未知错误'), icon: 'none', duration: 3000 })
+          uni.showToast({ title: this.$lang('copyFail') + ': ' + (err.errMsg || this.$lang('serviceUnavailable')), icon: 'none', duration: 3000 })
         }
       })
       // #endif
@@ -1687,12 +1689,12 @@ _handleStreamError(msg) {
         const success = document.execCommand('copy')
         document.body.removeChild(textarea)
         if (success) {
-          uni.showToast({ title: '已复制', icon: 'success' })
+          uni.showToast({ title: this.$lang('copySuccess'), icon: 'success' })
         } else {
-          uni.showToast({ title: '复制失败', icon: 'none' })
+          uni.showToast({ title: this.$lang('copyFail'), icon: 'none' })
         }
       } catch (e) {
-        uni.showToast({ title: '复制失败', icon: 'none' })
+        uni.showToast({ title: this.$lang('copyFail'), icon: 'none' })
       }
     },
 
@@ -1795,10 +1797,10 @@ _handleStreamError(msg) {
         type: 'loading',
         content: '',
         timestamp: Date.now(),
-        loadingText: 'AI正在思考',
+        loadingText: this.$lang('aiThinking'),
         _loadingIndex: 0
       }
-      
+
       this.messages.push(loadingMessage)
       this._startLoadingTextRotation(loadingMessage)
 
@@ -1826,10 +1828,10 @@ _handleStreamError(msg) {
           id: ++this.messageId,
           role: 'ai',
           type: 'text',
-          content: '抱歉，AI服务暂时不可用，请稍后重试。',
+          content: this.$lang('serviceUnavailable'),
           timestamp: Date.now(),
           actions: [
-            { id: 1, text: '重试', type: 'retry' }
+            { id: 1, text: this.$lang('retry'), type: 'retry' }
           ]
         }
         
diff --git a/pages_tool/ai-chat/components/ai-chat-avatar-selector.vue b/pages_tool/ai-chat/components/ai-chat-avatar-selector.vue
index 1930694..dd2adef 100644
--- a/pages_tool/ai-chat/components/ai-chat-avatar-selector.vue
+++ b/pages_tool/ai-chat/components/ai-chat-avatar-selector.vue
@@ -3,7 +3,7 @@
     <view class="avatar-selector-mask" @click="close"></view>
     <view class="avatar-selector-panel">
       <view class="avatar-selector-header">
-        <text>更换头像</text>
+        <text>{{ $lang('avatarSelectorTitle') }}</text>
         <button class="close-btn" @click="close">
           <text class="iconfont icon-close"></text>
         </button>
@@ -15,10 +15,10 @@
         <view class="avatar-selector-actions">
           <button class="avatar-select-action" @click="chooseAvatarFromAlbum">
             <text class="iconfont icon-album"></text>
-            <text>从相册选择</text>
+            <text>{{ $lang('chooseFromAlbum') }}</text>
           </button>
           <button class="avatar-select-action cancel" @click="close">
-            <text>取消</text>
+            <text>{{ $lang('cancel') }}</text>
           </button>
         </view>
       </view>
@@ -80,7 +80,7 @@ export default {
           reader.readAsDataURL(file)
           this.$emit('avatar-change', tempFilePath)
           this.close()
-          uni.showToast({ title: '头像更换成功', icon: 'success', duration: 1500 })
+          uni.showToast({ title: this.$lang('avatarChangeSuccess'), icon: 'success', duration: 1500 })
         } else {
           this.close()
         }
@@ -99,11 +99,11 @@ export default {
           uni.setStorageSync('user_avatar', tempFilePath)
           this.$emit('avatar-change', tempFilePath)
           this.close()
-          uni.showToast({ title: '头像更换成功', icon: 'success', duration: 1500 })
+          uni.showToast({ title: this.$lang('avatarChangeSuccess'), icon: 'success', duration: 1500 })
         },
         fail: (error) => {
           if (error.errMsg && error.errMsg.includes('deny')) {
-            uni.showToast({ title: '请开启相册权限', icon: 'none', duration: 2000 })
+            uni.showToast({ title: this.$lang('enableAlbumPermission'), icon: 'none', duration: 2000 })
           }
           this.close()
         }
diff --git a/pages_tool/ai-chat/components/ai-chat-emoji-panel.vue b/pages_tool/ai-chat/components/ai-chat-emoji-panel.vue
index f37770a..9bba1a8 100644
--- a/pages_tool/ai-chat/components/ai-chat-emoji-panel.vue
+++ b/pages_tool/ai-chat/components/ai-chat-emoji-panel.vue
@@ -3,7 +3,7 @@
     <view class="emoji-mask" @click="hideEmojiPanel"></view>
     <view class="emoji-panel">
       <view class="emoji-header">
-        <text>表情</text>
+        <text>{{ $lang('emojiTitle') }}</text>
         <button class="close-btn" @click="hideEmojiPanel">
           <text>×</text>
         </button>
diff --git a/pages_tool/ai-chat/components/ai-chat-nickname-editor.vue b/pages_tool/ai-chat/components/ai-chat-nickname-editor.vue
index ccec878..7e697a0 100644
--- a/pages_tool/ai-chat/components/ai-chat-nickname-editor.vue
+++ b/pages_tool/ai-chat/components/ai-chat-nickname-editor.vue
@@ -3,7 +3,7 @@
     <view class="nickname-editor-mask" @click="close"></view>
     <view class="nickname-editor-panel">
       <view class="nickname-editor-header">
-        <text>修改昵称</text>
+        <text>{{ $lang('editNickname') }}</text>
         <button class="close-btn" @click="close">
           <text class="iconfont icon-close"></text>
         </button>
@@ -13,21 +13,21 @@
           <input
             v-model="tempNickname"
             class="nickname-input"
-            placeholder="请输入您的新昵称"
+            :placeholder="$lang('newNicknamePlaceholder')"
             :maxlength="12"
             type="text" />
         </view>
-        <view class="nickname-tip">昵称长度限制1-12个字符，仅自己可见</view>
+        <view class="nickname-tip">{{ $lang('nicknameTip') }}</view>
         <view class="nickname-editor-actions">
           <button class="nickname-action-btn cancel" @click="close">
-            <text>取消</text>
+            <text>{{ $lang('cancel') }}</text>
           </button>
           <button
             class="nickname-action-btn confirm"
             :class="{ disabled: !tempNickname.trim() }"
             :disabled="!tempNickname.trim()"
             @click="saveNickname">
-            <text>保存</text>
+            <text>{{ $lang('save') }}</text>
           </button>
         </view>
       </view>
@@ -87,7 +87,7 @@ export default {
       uni.setStorageSync('user_nickname', newNickname)
       this.$emit('nickname-change', newNickname)
       this.close()
-      uni.showToast({ title: '昵称修改成功', icon: 'success', duration: 1500 })
+      uni.showToast({ title: this.$lang('nicknameChangeSuccess'), icon: 'success', duration: 1500 })
     }
   }
 }
diff --git a/pages_tool/ai-chat/components/ai-chat-search.vue b/pages_tool/ai-chat/components/ai-chat-search.vue
index 0c119f3..85c72d7 100644
--- a/pages_tool/ai-chat/components/ai-chat-search.vue
+++ b/pages_tool/ai-chat/components/ai-chat-search.vue
@@ -1,9 +1,9 @@
 <template>
   <view class="ai-chat-search">
     <!-- 搜索入口按钮（浮动在消息区右上角） -->
-    <view class="search-entrance" v-if="!showSearchBar" @click="toggleSearch">
+    <view class="search-entrance" :class="{ 'icon-only': !showLabel }" v-if="!showSearchBar" @click="toggleSearch">
       <text class="iconfont icon-sousuo search-entrance-icon"></text>
-      <text class="search-entrance-label">搜索</text>
+      <text class="search-entrance-label" v-if="showLabel">{{ $lang('searchEntrance') }}</text>
     </view>
 
     <!-- 搜索浮条 -->
@@ -14,7 +14,7 @@
           <input
             class="search-bar-input"
             v-model="searchKeyword"
-            placeholder="搜索聊天记录"
+            :placeholder="$lang('searchPlaceholder')"
             :focus="true"
             @input="onSearchInput"
             @confirm="doSearch" />
@@ -27,7 +27,7 @@
             <text class="search-bar-nav" :class="{ disabled: searchResultIndex >= searchResults.length - 1 }" @click="scrollToNextResult">▼</text>
           </view>
         </view>
-        <text class="search-bar-close" @click="closeSearch">完成</text>
+        <text class="search-bar-close" @click="closeSearch">{{ $lang('searchClose') }}</text>
       </view>
     </view>
   </view>
@@ -39,6 +39,7 @@
  *
  * Props:
  *   messages: Array  - 原始消息列表
+ *   showLabel: Boolean  - (默认 true) 是否显示"搜索"文字；设为 false 则只显示搜索图标
  *
  * Events:
  *   scroll-to: (messageKey: string) => void  - 请求父组件滚动到指定消息
@@ -53,6 +54,11 @@ export default {
     messages: {
       type: Array,
       default: () => []
+    },
+    // 是否显示文字标签；设为 false 则只显示搜索图标
+    showLabel: {
+      type: Boolean,
+      default: true
     }
   },
 
@@ -66,6 +72,7 @@ export default {
   },
 
   computed: {
+
     // 过滤后的消息列表（与 v-for 保持一致）
     filteredMessages() {
       return this.messages.filter(
@@ -150,7 +157,7 @@ export default {
           this._emitScrollTo(filteredIdx)
         })
       } else {
-        uni.showToast({ title: '未找到匹配结果', icon: 'none' })
+        uni.showToast({ title: this.$lang('noMatchResult'), icon: 'none' })
       }
     },
 
@@ -174,7 +181,7 @@ export default {
       if (idx >= 0) {
         this.scrollToSearchResult(idx)
       } else {
-        uni.showToast({ title: '已到顶部', icon: 'none' })
+        uni.showToast({ title: this.$lang('searchAtTop'), icon: 'none' })
       }
     },
 
@@ -183,7 +190,7 @@ export default {
       if (idx < this.searchResults.length) {
         this.scrollToSearchResult(idx)
       } else {
-        uni.showToast({ title: '已到底部', icon: 'none' })
+        uni.showToast({ title: this.$lang('searchAtBottom'), icon: 'none' })
       }
     },
 
@@ -251,7 +258,7 @@ export default {
 // 搜索入口按钮
 .search-entrance {
   position: absolute;
-  top: 88rpx;
+  top: 44rpx;
   right: 16rpx;
   z-index: 10;
   display: flex;
@@ -277,6 +284,15 @@ export default {
   &:active {
     background: rgba(255, 255, 255, 0.8);
   }
+
+  // 仅显示图标模式（圆形小按钮）
+  &.icon-only {
+    width: 56rpx;
+    height: 56rpx;
+    padding: 0;
+    justify-content: center;
+    border-radius: 50%;
+  }
 }
 
 // 搜索浮条
diff --git a/pages_tool/ai-chat/components/ai-chat-tools-panel.vue b/pages_tool/ai-chat/components/ai-chat-tools-panel.vue
index cf5dbbb..e37536f 100644
--- a/pages_tool/ai-chat/components/ai-chat-tools-panel.vue
+++ b/pages_tool/ai-chat/components/ai-chat-tools-panel.vue
@@ -3,7 +3,7 @@
     <view class="tools-mask" @click="hideToolsPanel"></view>
     <view class="tools-panel">
       <view class="tools-header">
-        <text>更多功能</text>
+        <text>{{ $lang('moreFunctions') }}</text>
         <button class="close-btn" @click="hideToolsPanel">
           <text class="iconfont icon-close"></text>
         </button>
@@ -13,25 +13,25 @@
           <view class="tool-icon">
             <text class="iconfont icon-image"></text>
           </view>
-          <text class="tool-text">图片</text>
+          <text class="tool-text">{{ $lang('image') }}</text>
         </view>
         <view class="tool-item" @click="selectFile">
           <view class="tool-icon">
             <text class="iconfont icon-file"></text>
           </view>
-          <text class="tool-text">文件</text>
+          <text class="tool-text">{{ $lang('file') }}</text>
         </view>
         <view class="tool-item" @click="startRecord">
           <view class="tool-icon">
             <text class="iconfont icon-voice"></text>
           </view>
-          <text class="tool-text">语音</text>
+          <text class="tool-text">{{ $lang('voice') }}</text>
         </view>
         <view class="tool-item" @click="selectLocation">
           <view class="tool-icon">
             <text class="iconfont icon-location"></text>
           </view>
-          <text class="tool-text">位置</text>
+          <text class="tool-text">{{ $lang('location') }}</text>
         </view>
       </view>
     </view>
diff --git a/pages_tool/ai-chat/components/ai-chat-voice-panel.vue b/pages_tool/ai-chat/components/ai-chat-voice-panel.vue
index 74016bb..7b0587f 100644
--- a/pages_tool/ai-chat/components/ai-chat-voice-panel.vue
+++ b/pages_tool/ai-chat/components/ai-chat-voice-panel.vue
@@ -3,7 +3,7 @@
     <view class="voice-mask" @click="hideVoicePanel"></view>
     <view class="voice-input-panel">
       <view class="voice-header">
-        <text>语音输入</text>
+        <text>{{ $lang('voiceInputTitle') }}</text>
         <button class="close-btn" @click="hideVoicePanel">
           <text class="iconfont icon-close"></text>
         </button>
@@ -16,7 +16,7 @@
             class="wave-bar"
             :style="{ animationDelay: (i * 0.1) + 's' }"></view>
         </view>
-        <text class="voice-tip">{{ voiceInputing ? '正在录音，松开结束' : '点击开始录音' }}</text>
+        <text class="voice-tip">{{ voiceInputing ? $lang('recordingTip') : $lang('startRecordTip') }}</text>
       </view>
       <view class="voice-actions">
         <button class="voice-btn" @click="toggleVoiceInput">
@@ -86,7 +86,7 @@ export default {
             // 录音中，可扩展实时转文字
           })
           .catch(error => {
-            uni.showToast({ title: '语音输入失败', icon: 'none' })
+            uni.showToast({ title: this.$lang('voiceInputFailed'), icon: 'none' })
             this.voiceInputing = false
           })
       }
diff --git a/pages_tool/ai-chat/index.vue b/pages_tool/ai-chat/index.vue
index 4654148..c6156d1 100644
--- a/pages_tool/ai-chat/index.vue
+++ b/pages_tool/ai-chat/index.vue
@@ -39,7 +39,7 @@
       <view class="settings-mask" @click="hideSettings"></view>
       <view class="settings-panel">
         <view class="settings-header">
-          <text class="settings-title">设置</text>
+          <text class="settings-title">{{ $lang('settingsTitle') }}</text>
           <view class="close-btn" @click="hideSettings">
             <text>✕</text>
           </view>
@@ -50,8 +50,8 @@
               <text class="iconfont icon-user">📷</text>
             </view>
             <view class="setting-info">
-              <text class="setting-label">更换头像</text>
-              <text class="setting-desc">自定义您的聊天头像</text>
+              <text class="setting-label">{{ $lang('changeAvatar') }}</text>
+              <text class="setting-desc">{{ $lang('changeAvatarDesc') }}</text>
             </view>
             <text class="iconfont icon-right">›</text>
           </view>
@@ -60,8 +60,8 @@
               <text class="iconfont icon-edit">✏️</text>
             </view>
             <view class="setting-info">
-              <text class="setting-label">更换昵称</text>
-              <text class="setting-desc">自定义您的昵称</text>
+              <text class="setting-label">{{ $lang('changeNickname') }}</text>
+              <text class="setting-desc">{{ $lang('changeNicknameDesc') }}</text>
             </view>
             <text class="iconfont icon-right">›</text>
           </view>
@@ -86,7 +86,7 @@ export default {
   data() {
     return {
       initialMessages: [],
-      fallbackWelcome: '您好！我是AI智能客服，很高兴为您服务！\n\n我可以帮您：\n• 解答产品相关问题\n• 处理订单问题\n• 提供技术支持\n• 推荐相关商品\n\n请告诉我您需要什么帮助？',
+      fallbackWelcome: this.$lang('fallbackWelcome'),
 
       // --- 系统导航栏/状态栏相关 ---
       navBarHeight: 44,   // uni-page-head 系统导航栏，默认高度为44px
@@ -132,7 +132,7 @@ export default {
     //   return;
     // }
 
-    this. $langConfig.title('AI智能客服');
+    this.$langConfig.title(this.$lang('title'));
     this.initChat();
   },
   
@@ -144,12 +144,13 @@ export default {
     console.log('[AI Chat Page] onShow 触发');
     // 监听键盘高度变化（H5 可能不支持，try-catch 保护）
     try {
-      uni.onKeyboardHeightChange((res) => {
+      this._keyboardChangeHandler = (res) => {
         this.keyboardHeight = res.height;
         if (this.$refs.chat && this.$refs.chat.updateKeyboardHeight) {
           this.$refs.chat.updateKeyboardHeight(res.height);
         }
-      });
+      };
+      uni.onKeyboardHeightChange(this._keyboardChangeHandler);
     } catch (e) {
       console.warn('onKeyboardHeightChange 不可用:', e.message);
     }
@@ -163,7 +164,10 @@ export default {
 
   onHide() {
     // 取消监听键盘高度变化
-    uni.offKeyboardHeightChange();
+    if (this._keyboardChangeHandler) {
+      uni.offKeyboardHeightChange(this._keyboardChangeHandler);
+      this._keyboardChangeHandler = null;
+    }
     this.keyboardHeight = 0;
     if (this.$refs.chat && this.$refs.chat.updateKeyboardHeight) {
       this.$refs.chat.updateKeyboardHeight(0);
@@ -233,7 +237,7 @@ export default {
         component: this. $options.name
       });
       
-      this.showError('操作失败，请重试');
+      this.showError(this.$lang('operationFailed'));
     },
 
     // ========== 初始化页面 ==========
@@ -287,6 +291,10 @@ export default {
     },    
 
     cleanup() {
+      if (this._keyboardChangeHandler) {
+        uni.offKeyboardHeightChange(this._keyboardChangeHandler);
+        this._keyboardChangeHandler = null;
+      }
       this.safeEventHandlers.forEach((handler, eventType) => {
         this. $off(eventType, handler);
       });
@@ -309,7 +317,7 @@ export default {
     // 显示菜单
     showMenu() {
       uni.showActionSheet({
-        itemList: ['清空聊天', '导出记录', '设置', '帮助'],
+        itemList: [this.$lang('menuClearChat'), this.$lang('menuExport'), this.$lang('menuSettings'), this.$lang('menuHelp')],
         success: (res) => {
           switch (res.tapIndex) {
             case 0:
@@ -331,8 +339,8 @@ export default {
 
     clearChat() {
       uni.showModal({
-        title: '提示',
-        content: '确定要清空聊天记录吗？',
+        title: this.$lang('prompt'),
+        content: this.$lang('confirmClearChat'),
         success: (res) => {
           if (res.confirm) {
             this. $refs.chat.clearMessages();
@@ -340,7 +348,7 @@ export default {
               id: Date.now(),
               role: 'ai',
               type: 'text',
-              content: '聊天记录已清空，有什么可以帮助您的吗？',
+              content: this.$lang('chatCleared'),
               timestamp: Date.now()
             });
           }
@@ -350,7 +358,7 @@ export default {
 
     exportChat() {
       uni.showToast({
-        title: '功能开发中',
+        title: this.$lang('featureDeveloping'),
         icon: 'none'
       });
     },
@@ -439,10 +447,10 @@ export default {
     onActionClick({ action, message }) {
       switch (action.type) {
         case 'like':
-          uni.showToast({ title: '感谢您的反馈！', icon: 'success' });
+          uni.showToast({ title: this.$lang('thanksFeedback'), icon: 'success' });
           break;
         case 'dislike':
-          uni.showToast({ title: '我们会改进服务', icon: 'none' });
+          uni.showToast({ title: this.$lang('improveService'), icon: 'none' });
           break;
       }
     },
@@ -451,7 +459,7 @@ export default {
     },
 
     onFilePreview(message) {
-      uni.showToast({ title: '打开文件: ' + message.fileName, icon: 'none' });
+      uni.showToast({ title: this.$lang('openingFile') + ' ' + message.fileName, icon: 'none' });
     },
 
     onAudioPlay(message) {
@@ -480,8 +488,8 @@ export default {
 
     onLinkOpen(message) {
       uni.showModal({
-        title: '打开链接',
-        content: `确定要打开链接： $ {message.url} 吗？`,
+        title: this.$lang('openLink'),
+        content: this.$lang('confirmOpenLink') + message.url + '?',
         success: (res) => {
           if (res.confirm) {
             // #ifdef H5
@@ -496,7 +504,7 @@ export default {
     },
 
     onProductView(message) {
-      uni.showToast({ title: '查看商品: ' + message.title, icon: 'none' });
+      uni.showToast({ title: this.$lang('openingFile') + ': ' + message.title, icon: 'none' });
     },
 
     onInputChange(value) {
@@ -524,7 +532,7 @@ export default {
       // #endif
 
       if (currentType !== 'aikefu') {
-        uni.showToast({ title: '当前客服类型不支持此页面', icon: 'none' });
+        uni.showToast({ title: this.$lang('serviceTypeNotSupported'), icon: 'none' });
         setTimeout(() => {
           const pages = getCurrentPages();
           if (pages.length > 1) {