diff --git a/webui/index.html b/webui/index.html
index b9f8f0c..0c3fb12 100644
--- a/webui/index.html
+++ b/webui/index.html
@@ -7,7 +7,7 @@
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap" rel="stylesheet">
-  <title>DS2API Admin</title>
+  <title>DS2API 管理面板</title>
 </head>
 
 <body>
diff --git a/webui/src/App.jsx b/webui/src/App.jsx
index d195541..6e968d1 100644
--- a/webui/src/App.jsx
+++ b/webui/src/App.jsx
@@ -180,9 +180,9 @@ export default function App() {
                 <div className="p-6 border-b border-border">
                     <div className="flex items-center gap-2 font-bold text-xl text-primary">
                         <LayoutDashboard className="w-6 h-6" />
-                        <span>DS2API Admin</span>
+                        <span>DS2API 管理面板</span>
                     </div>
-                    <p className="text-xs text-muted-foreground mt-1 ml-8">V1.0.0 Control Panel</p>
+                    <p className="text-xs text-muted-foreground mt-1 ml-8">V1.0.0 控制面板</p>
                 </div>
 
                 <nav className="flex-1 p-4 space-y-1 overflow-y-auto">
@@ -213,19 +213,19 @@ export default function App() {
                 <div className="p-4 border-t border-border bg-card/50">
                     <div className="space-y-4">
                         <div className="flex items-center justify-between text-sm">
-                            <span className="text-muted-foreground">API Status</span>
+                            <span className="text-muted-foreground">API 状态</span>
                             <span className="flex items-center gap-1.5 text-xs font-medium text-green-500 bg-green-500/10 px-2 py-0.5 rounded-full">
                                 <span className="w-1.5 h-1.5 rounded-full bg-green-500 animate-pulse"></span>
-                                Online
+                                在线
                             </span>
                         </div>
                         <div className="grid grid-cols-2 gap-2">
                             <div className="bg-background rounded p-2 border border-border">
-                                <div className="text-xs text-muted-foreground">Accounts</div>
+                                <div className="text-xs text-muted-foreground">账号</div>
                                 <div className="text-lg font-bold">{config.accounts?.length || 0}</div>
                             </div>
                             <div className="bg-background rounded p-2 border border-border">
-                                <div className="text-xs text-muted-foreground">Api Keys</div>
+                                <div className="text-xs text-muted-foreground">API 密钥</div>
                                 <div className="text-lg font-bold">{config.keys?.length || 0}</div>
                             </div>
                         </div>
@@ -234,7 +234,7 @@ export default function App() {
                             className="w-full flex items-center justify-center gap-2 px-3 py-2 rounded-md border border-border text-sm font-medium text-muted-foreground hover:bg-destructive/10 hover:text-destructive hover:border-destructive/20 transition-colors"
                         >
                             <LogOut className="w-4 h-4" />
-                            Sign Out
+                            退出登录
                         </button>
                     </div>
                 </div>
@@ -280,7 +280,7 @@ export default function App() {
                             {loading ? (
                                 <div className="flex flex-col items-center justify-center py-20 text-muted-foreground">
                                     <div className="w-8 h-8 border-4 border-primary border-t-transparent rounded-full animate-spin mb-4"></div>
-                                    <p>Please wait while loading data...</p>
+                                    <p>正在加载数据，请稍候...</p>
                                 </div>
                             ) : (
                                 renderTab()
diff --git a/webui/src/components/AccountManager.jsx b/webui/src/components/AccountManager.jsx
index 5910d9e..faa3720 100644
--- a/webui/src/components/AccountManager.jsx
+++ b/webui/src/components/AccountManager.jsx
@@ -249,7 +249,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                 <CheckCircle2 className="w-5 h-5" />
                             </div>
                             <div>
-                                <p className="text-sm font-medium text-muted-foreground">Available</p>
+                                <p className="text-sm font-medium text-muted-foreground">可用账号</p>
                                 <p className="text-2xl font-bold">{queueStatus.available}</p>
                             </div>
                         </div>
@@ -260,7 +260,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                 <Server className="w-5 h-5" />
                             </div>
                             <div>
-                                <p className="text-sm font-medium text-muted-foreground">In Use</p>
+                                <p className="text-sm font-medium text-muted-foreground">使用中</p>
                                 <p className="text-2xl font-bold">{queueStatus.in_use}</p>
                             </div>
                         </div>
@@ -271,7 +271,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                 <ShieldCheck className="w-5 h-5" />
                             </div>
                             <div>
-                                <p className="text-sm font-medium text-muted-foreground">Total Accounts</p>
+                                <p className="text-sm font-medium text-muted-foreground">账号总数</p>
                                 <p className="text-2xl font-bold">{queueStatus.total}</p>
                             </div>
                         </div>
@@ -283,15 +283,15 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
             <div className="bg-card border border-border rounded-xl overflow-hidden shadow-sm">
                 <div className="p-6 border-b border-border flex flex-col md:flex-row md:items-center justify-between gap-4">
                     <div>
-                        <h2 className="text-lg font-semibold">API Keys</h2>
-                        <p className="text-sm text-muted-foreground">Manage access keys for the API</p>
+                        <h2 className="text-lg font-semibold">API 密钥</h2>
+                        <p className="text-sm text-muted-foreground">管理 API 访问密钥池</p>
                     </div>
                     <button
                         onClick={() => setShowAddKey(true)}
                         className="btn btn-primary flex items-center gap-2"
                     >
                         <Plus className="w-4 h-4" />
-                        New Key
+                        新增密钥
                     </button>
                 </div>
 
@@ -311,7 +311,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                             </div>
                         ))
                     ) : (
-                        <div className="p-8 text-center text-muted-foreground">No API keys found</div>
+                        <div className="p-8 text-center text-muted-foreground">未找到 API 密钥</div>
                     )}
                 </div>
             </div>
@@ -320,8 +320,8 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
             <div className="bg-card border border-border rounded-xl overflow-hidden shadow-sm">
                 <div className="p-6 border-b border-border flex flex-col md:flex-row md:items-center justify-between gap-4">
                     <div>
-                        <h2 className="text-lg font-semibold">DeepSeek Accounts</h2>
-                        <p className="text-sm text-muted-foreground">Manage your account pool</p>
+                        <h2 className="text-lg font-semibold">DeepSeek 账号</h2>
+                        <p className="text-sm text-muted-foreground">管理 DeepSeek 账号池</p>
                     </div>
                     <div className="flex flex-wrap gap-2">
                         <button
@@ -330,7 +330,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                             className="btn btn-secondary text-xs"
                         >
                             {testingAll ? <span className="animate-spin mr-2">⟳</span> : <Play className="w-3 h-3 mr-2" />}
-                            Test All
+                            测试全部
                         </button>
                         <button
                             onClick={validateAllAccounts}
@@ -338,14 +338,14 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                             className="btn btn-secondary text-xs"
                         >
                             {validatingAll ? <span className="animate-spin mr-2">⟳</span> : <CheckCircle2 className="w-3 h-3 mr-2" />}
-                            Validate All
+                            校验全部
                         </button>
                         <button
                             onClick={() => setShowAddAccount(true)}
                             className="btn btn-primary flex items-center gap-2"
                         >
                             <Plus className="w-4 h-4" />
-                            Add Account
+                            添加账号
                         </button>
                     </div>
                 </div>
@@ -354,7 +354,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                 {(testingAll || validatingAll) && batchProgress.total > 0 && (
                     <div className="p-4 border-b border-border bg-muted/30">
                         <div className="flex items-center justify-between text-sm mb-2">
-                            <span className="font-medium">{testingAll ? 'Testing all accounts...' : 'Validating all accounts...'}</span>
+                            <span className="font-medium">{testingAll ? '正在测试所有账号...' : '正在校验所有账号...'}</span>
                             <span className="text-muted-foreground">{batchProgress.current} / {batchProgress.total}</span>
                         </div>
                         <div className="w-full bg-muted rounded-full h-2 overflow-hidden mb-4">
@@ -392,7 +392,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                         <div className="min-w-0">
                                             <div className="font-medium truncate">{id}</div>
                                             <div className="flex items-center gap-2 text-xs text-muted-foreground mt-0.5">
-                                                <span>{acc.has_token ? 'Active Session' : 'Login Required'}</span>
+                                                <span>{acc.has_token ? '已建立会话' : '需重新登录'}</span>
                                                 {acc.token_preview && (
                                                     <span className="font-mono bg-muted px-1.5 py-0.5 rounded text-[10px]">
                                                         {acc.token_preview}
@@ -407,14 +407,14 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                             disabled={testing[id]}
                                             className="px-3 py-1.5 text-xs font-medium border border-border rounded-md hover:bg-secondary transition-colors disabled:opacity-50"
                                         >
-                                            {testing[id] ? 'Testing...' : 'Test'}
+                                            {testing[id] ? '正在测试...' : '测试'}
                                         </button>
                                         <button
                                             onClick={() => validateAccount(id)}
                                             disabled={validating[id]}
                                             className="px-3 py-1.5 text-xs font-medium border border-border rounded-md hover:bg-secondary transition-colors disabled:opacity-50"
                                         >
-                                            {validating[id] ? 'Validating...' : 'Validate'}
+                                            {validating[id] ? '正在校验...' : '校验'}
                                         </button>
                                         <button
                                             onClick={() => deleteAccount(id)}
@@ -427,7 +427,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                             )
                         })
                     ) : (
-                        <div className="p-8 text-center text-muted-foreground">No accounts found</div>
+                        <div className="p-8 text-center text-muted-foreground">未找到任何账号</div>
                     )}
                 </div>
             </div>
@@ -437,27 +437,27 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                 <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 backdrop-blur-sm p-4 animate-in fade-in">
                     <div className="bg-card w-full max-w-md rounded-xl border border-border shadow-2xl overflow-hidden animate-in zoom-in-95">
                         <div className="p-4 border-b border-border flex justify-between items-center">
-                            <h3 className="font-semibold">Add API Key</h3>
+                            <h3 className="font-semibold">添加 API 密钥</h3>
                             <button onClick={() => setShowAddKey(false)} className="text-muted-foreground hover:text-foreground">
                                 <X className="w-5 h-5" />
                             </button>
                         </div>
                         <div className="p-6 space-y-4">
                             <div>
-                                <label className="block text-sm font-medium mb-1.5">New Key value</label>
+                                <label className="block text-sm font-medium mb-1.5">新密钥值</label>
                                 <input
                                     type="text"
                                     className="input-field"
-                                    placeholder="Enter custom API key"
+                                    placeholder="输入自定义 API 密钥"
                                     value={newKey}
                                     onChange={e => setNewKey(e.target.value)}
                                     autoFocus
                                 />
                             </div>
                             <div className="flex justify-end gap-2 pt-2">
-                                <button onClick={() => setShowAddKey(false)} className="btn btn-secondary">Cancel</button>
+                                <button onClick={() => setShowAddKey(false)} className="btn btn-secondary">取消</button>
                                 <button onClick={addKey} disabled={loading} className="btn btn-primary">
-                                    {loading ? 'Adding...' : 'Add Key'}
+                                    {loading ? '添加中...' : '添加'}
                                 </button>
                             </div>
                         </div>
@@ -469,14 +469,14 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                 <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 backdrop-blur-sm p-4 animate-in fade-in">
                     <div className="bg-card w-full max-w-md rounded-xl border border-border shadow-2xl overflow-hidden animate-in zoom-in-95">
                         <div className="p-4 border-b border-border flex justify-between items-center">
-                            <h3 className="font-semibold">Add DeepSeek Account</h3>
+                            <h3 className="font-semibold">添加 DeepSeek 账号</h3>
                             <button onClick={() => setShowAddAccount(false)} className="text-muted-foreground hover:text-foreground">
                                 <X className="w-5 h-5" />
                             </button>
                         </div>
                         <div className="p-6 space-y-4">
                             <div>
-                                <label className="block text-sm font-medium mb-1.5">Email (Optional)</label>
+                                <label className="block text-sm font-medium mb-1.5">邮箱 (可选)</label>
                                 <input
                                     type="email"
                                     className="input-field"
@@ -486,7 +486,7 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                 />
                             </div>
                             <div>
-                                <label className="block text-sm font-medium mb-1.5">Mobile (Optional)</label>
+                                <label className="block text-sm font-medium mb-1.5">手机号 (可选)</label>
                                 <input
                                     type="text"
                                     className="input-field"
@@ -496,19 +496,19 @@ export default function AccountManager({ config, onRefresh, onMessage, authFetch
                                 />
                             </div>
                             <div>
-                                <label className="block text-sm font-medium mb-1.5">Password <span className="text-destructive">*</span></label>
+                                <label className="block text-sm font-medium mb-1.5">密码 <span className="text-destructive">*</span></label>
                                 <input
                                     type="password"
                                     className="input-field"
-                                    placeholder="Account password"
+                                    placeholder="账号密码"
                                     value={newAccount.password}
                                     onChange={e => setNewAccount({ ...newAccount, password: e.target.value })}
                                 />
                             </div>
                             <div className="flex justify-end gap-2 pt-2">
-                                <button onClick={() => setShowAddAccount(false)} className="btn btn-secondary">Cancel</button>
+                                <button onClick={() => setShowAddAccount(false)} className="btn btn-secondary">取消</button>
                                 <button onClick={addAccount} disabled={loading} className="btn btn-primary">
-                                    {loading ? 'Adding...' : 'Add Account'}
+                                    {loading ? '添加中...' : '添加账号'}
                                 </button>
                             </div>
                         </div>
diff --git a/webui/src/components/ApiTester.jsx b/webui/src/components/ApiTester.jsx
index 3dfed35..7d19bf0 100644
--- a/webui/src/components/ApiTester.jsx
+++ b/webui/src/components/ApiTester.jsx
@@ -15,8 +15,8 @@ import {
 import clsx from 'clsx'
 
 const MODELS = [
-    { id: 'deepseek-chat', name: 'DeepSeek Chat', icon: MessageSquare, desc: 'General purpose chat model' },
-    { id: 'deepseek-reasoner', name: 'DeepSeek Reasoner', icon: Cpu, desc: 'Optimized for reasoning tasks' },
+    { id: 'deepseek-chat', name: 'DeepSeek Chat', icon: MessageSquare, desc: '通用聊天模型' },
+    { id: 'deepseek-reasoner', name: 'DeepSeek Reasoner', icon: Cpu, desc: '推理能力增强模型' },
     // Removed search models as they might be deprecated or identical to chat with search tool
 ]
 
@@ -58,7 +58,7 @@ export default function ApiTester({ config, onMessage, authFetch }) {
         try {
             const key = apiKey || (config.keys?.[0] || '')
             if (!key) {
-                onMessage('error', 'Please provide an API Key')
+                onMessage('error', '请提供 API 密钥')
                 setLoading(false)
                 setIsStreaming(false)
                 return
@@ -80,8 +80,8 @@ export default function ApiTester({ config, onMessage, authFetch }) {
 
             if (!res.ok) {
                 const data = await res.json()
-                setResponse({ success: false, error: data.error?.message || 'Request failed' })
-                onMessage('error', data.error?.message || 'Request failed')
+                setResponse({ success: false, error: data.error?.message || '请求失败' })
+                onMessage('error', data.error?.message || '请求失败')
                 setLoading(false)
                 setIsStreaming(false)
                 return
@@ -127,7 +127,7 @@ export default function ApiTester({ config, onMessage, authFetch }) {
             }
         } catch (e) {
             if (e.name === 'AbortError') {
-                onMessage('info', 'Generation stopped')
+                onMessage('info', '已停止生成')
             } else {
                 onMessage('error', 'Network error: ' + e.message)
                 setResponse({ error: e.message, success: false })
@@ -184,11 +184,11 @@ export default function ApiTester({ config, onMessage, authFetch }) {
                 <div className="bg-card border border-border rounded-xl p-5 shadow-sm space-y-5">
                     <h3 className="font-semibold flex items-center gap-2">
                         <Sparkles className="w-4 h-4 text-primary" />
-                        Configuration
+                        模型选项
                     </h3>
 
                     <div className="space-y-3">
-                        <label className="text-sm font-medium text-muted-foreground">Model</label>
+                        <label className="text-sm font-medium text-muted-foreground">模型</label>
                         <div className="grid grid-cols-1 gap-2">
                             {MODELS.map(m => {
                                 const Icon = m.icon
@@ -217,13 +217,13 @@ export default function ApiTester({ config, onMessage, authFetch }) {
                     </div>
 
                     <div className="space-y-2">
-                        <label className="text-sm font-medium text-muted-foreground">Account Strategy</label>
+                        <label className="text-sm font-medium text-muted-foreground">账号策略</label>
                         <select
                             className="input-field"
                             value={selectedAccount}
                             onChange={e => setSelectedAccount(e.target.value)}
                         >
-                            <option value="">🎲 Random (Streaming)</option>
+                            <option value="">🎲 随机切换 (支持流式预览)</option>
                             {accounts.map((acc, i) => (
                                 <option key={i} value={acc.email || acc.mobile}>
                                     👤 {acc.email || acc.mobile}
@@ -233,11 +233,11 @@ export default function ApiTester({ config, onMessage, authFetch }) {
                     </div>
 
                     <div className="space-y-2">
-                        <label className="text-sm font-medium text-muted-foreground">API Key (Optional)</label>
+                        <label className="text-sm font-medium text-muted-foreground">API 密钥 (可选)</label>
                         <input
                             type="password"
                             className="input-field font-mono text-xs"
-                            placeholder={config.keys?.[0] ? `Default: ${config.keys[0].slice(0, 8)}...` : 'Enter custom API Key'}
+                            placeholder={config.keys?.[0] ? `默认: ${config.keys[0].slice(0, 8)}...` : '输入自定义 API 密钥'}
                             value={apiKey}
                             onChange={e => setApiKey(e.target.value)}
                         />
@@ -256,7 +256,7 @@ export default function ApiTester({ config, onMessage, authFetch }) {
                         </div>
                         <div className="space-y-1 flew-1">
                             <div className="flex items-center gap-2">
-                                <span className="font-medium text-sm">You</span>
+                                <span className="font-medium text-sm">用户</span>
                             </div>
                             <div className="bg-secondary/50 rounded-2xl rounded-tl-none px-4 py-3 text-sm border border-border">
                                 {message}
@@ -290,7 +290,7 @@ export default function ApiTester({ config, onMessage, authFetch }) {
                                     <div className="text-xs text-muted-foreground bg-muted/30 border border-border rounded-lg p-3 space-y-1">
                                         <div className="flex items-center gap-1.5 opacity-70 mb-1">
                                             <Sparkles className="w-3 h-3" />
-                                            <span>Reasoning Process</span>
+                                            <span>思维链/推理过程</span>
                                         </div>
                                         <div className="whitespace-pre-wrap leading-relaxed opacity-90 font-mono">
                                             {streamingThinking || response?.response?.thinking}
@@ -316,7 +316,7 @@ export default function ApiTester({ config, onMessage, authFetch }) {
                     <div className="max-w-3xl mx-auto relative">
                         <textarea
                             className="w-full bg-secondary/30 border border-border rounded-xl pl-4 pr-14 py-3 text-sm focus:bg-background focus:ring-1 focus:ring-primary focus:border-primary transition-all resize-none custom-scrollbar"
-                            placeholder="Type your message here..."
+                            placeholder="输入消息..."
                             rows={3}
                             value={message}
                             onChange={e => setMessage(e.target.value)}
diff --git a/webui/src/components/BatchImport.jsx b/webui/src/components/BatchImport.jsx
index 945e238..bae6091 100644
--- a/webui/src/components/BatchImport.jsx
+++ b/webui/src/components/BatchImport.jsx
@@ -4,8 +4,8 @@ import clsx from 'clsx'
 
 const TEMPLATES = {
     full: {
-        name: 'Full Configuration',
-        desc: 'Includes keys, accounts, and model mappings',
+        name: '全量配置模板',
+        desc: '包含密钥、账号及模型映射',
         config: {
             keys: ["your-api-key-1", "your-api-key-2"],
             accounts: [
@@ -20,8 +20,8 @@ const TEMPLATES = {
         }
     },
     email_only: {
-        name: 'Email Only',
-        desc: 'Batch import email accounts',
+        name: '仅邮箱账号',
+        desc: '批量导入邮箱格式账号',
         config: {
             keys: ["your-api-key"],
             accounts: [
@@ -32,8 +32,8 @@ const TEMPLATES = {
         }
     },
     mobile_only: {
-        name: 'Mobile Only',
-        desc: 'Batch import mobile number accounts',
+        name: '仅手机号账号',
+        desc: '批量导入手机号格式账号',
         config: {
             keys: ["your-api-key"],
             accounts: [
@@ -44,8 +44,8 @@ const TEMPLATES = {
         }
     },
     keys_only: {
-        name: 'API Keys Only',
-        desc: 'Just adding API access keys',
+        name: '仅 API 密钥',
+        desc: '仅添加 API 访问密钥',
         config: {
             keys: ["key-1", "key-2", "key-3"]
         }
@@ -62,7 +62,7 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
 
     const handleImport = async () => {
         if (!jsonInput.trim()) {
-            onMessage('error', 'Please enter JSON configuration')
+            onMessage('error', '请输入 JSON 配置内容')
             return
         }
 
@@ -70,7 +70,7 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
         try {
             config = JSON.parse(jsonInput)
         } catch (e) {
-            onMessage('error', 'Invalid JSON format')
+            onMessage('error', '无效的 JSON 格式')
             return
         }
 
@@ -85,10 +85,10 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
             const data = await res.json()
             if (res.ok) {
                 setResult(data)
-                onMessage('success', `Imported: ${data.imported_keys} Keys, ${data.imported_accounts} Accounts`)
+                onMessage('success', `导入成功: ${data.imported_keys} 个密钥, ${data.imported_accounts} 个账号`)
                 onRefresh()
             } else {
-                onMessage('error', data.detail || 'Import failed')
+                onMessage('error', data.detail || '导入失败')
             }
         } catch (e) {
             onMessage('error', 'Network error')
@@ -101,7 +101,7 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
         const tpl = TEMPLATES[key]
         if (tpl) {
             setJsonInput(JSON.stringify(tpl.config, null, 2))
-            onMessage('info', `Loaded template: ${tpl.name}`)
+            onMessage('info', `已加载模板: ${tpl.name}`)
         }
     }
 
@@ -111,10 +111,10 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
             if (res.ok) {
                 const data = await res.json()
                 setJsonInput(JSON.stringify(JSON.parse(data.json), null, 2))
-                onMessage('success', 'Configuration loaded')
+                onMessage('success', '当前配置已加载')
             }
         } catch (e) {
-            onMessage('error', 'Failed to fetch config')
+            onMessage('error', '获取配置失败')
         }
     }
 
@@ -126,10 +126,10 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
                 await navigator.clipboard.writeText(data.base64)
                 setCopied(true)
                 setTimeout(() => setCopied(false), 2000)
-                onMessage('success', 'Base64 copied to clipboard')
+                onMessage('success', 'Base64 配置已复制到剪贴板')
             }
         } catch (e) {
-            onMessage('error', 'Copy failed')
+            onMessage('error', '复制失败')
         }
     }
 
@@ -140,7 +140,7 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
                 <div className="bg-card border border-border rounded-xl p-5 shadow-sm">
                     <h3 className="font-semibold flex items-center gap-2 mb-4">
                         <FileCode className="w-4 h-4 text-primary" />
-                        Quick Templates
+                        快速模板
                     </h3>
                     <div className="space-y-3">
                         {Object.entries(TEMPLATES).map(([key, tpl]) => (
@@ -159,20 +159,20 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
                 <div className="bg-linear-to-br from-primary/10 to-transparent border border-primary/20 rounded-xl p-5 shadow-sm">
                     <h3 className="font-semibold flex items-center gap-2 mb-2 text-primary">
                         <Download className="w-4 h-4" />
-                        Export Data
+                        数据导出
                     </h3>
                     <p className="text-sm text-muted-foreground mb-4">
-                        Get your configuration as a Base64 string for Vercel environment variables.
+                        获取配置的 Base64 字符串，用于 Vercel 环境变量。
                     </p>
                     <button
                         onClick={copyBase64}
                         className="w-full btn btn-primary bg-primary/90 hover:bg-primary shadow-lg shadow-primary/20"
                     >
                         {copied ? <Check className="w-4 h-4 mr-2" /> : <Copy className="w-4 h-4 mr-2" />}
-                        {copied ? 'Copied!' : 'Copy Base64 Config'}
+                        {copied ? '已复制！' : '复制 Base64 配置'}
                     </button>
                     <p className="text-[10px] text-muted-foreground mt-2 text-center">
-                        Variable Name: <code className="bg-background px-1 py-0.5 rounded border border-border">DS2API_CONFIG_JSON</code>
+                        变量名: <code className="bg-background px-1 py-0.5 rounded border border-border">DS2API_CONFIG_JSON</code>
                     </p>
                 </div>
             </div>
@@ -182,14 +182,14 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
                 <div className="p-4 border-b border-border flex items-center justify-between bg-muted/20">
                     <h3 className="font-semibold flex items-center gap-2">
                         <Upload className="w-4 h-4 text-primary" />
-                        JSON Editor
+                        JSON 编辑器
                     </h3>
                     <div className="flex gap-2">
                         <button onClick={handleExport} className="btn btn-secondary text-xs h-8">
-                            Load Current
+                            加载当前配置
                         </button>
                         <button onClick={handleImport} disabled={loading} className="btn btn-primary text-xs h-8">
-                            {loading ? 'Importing...' : 'Simulate Import'}
+                            {loading ? '导入中...' : '模拟导入/应用'}
                         </button>
                     </div>
                 </div>
@@ -217,10 +217,10 @@ export default function BatchImport({ onRefresh, onMessage, authFetch }) {
                             )}
                             <div>
                                 <h4 className={clsx("font-medium", result.imported_keys || result.imported_accounts ? "text-emerald-500" : "text-destructive")}>
-                                    Import Operation Completed
+                                    导入操作已完成
                                 </h4>
                                 <p className="text-sm opacity-80 mt-1">
-                                    Successfully imported {result.imported_keys} API keys and updated {result.imported_accounts} accounts.
+                                    成功导入了 {result.imported_keys} 个 API 密钥，并更新了 {result.imported_accounts} 个账号。
                                 </p>
                             </div>
                         </div>
diff --git a/webui/src/components/Login.jsx b/webui/src/components/Login.jsx
index 1415cdd..bf1a177 100644
--- a/webui/src/components/Login.jsx
+++ b/webui/src/components/Login.jsx
@@ -49,10 +49,10 @@ export default function Login({ onLogin, onMessage }) {
                         <Lock className="w-8 h-8" />
                     </div>
                     <h1 className="text-2xl font-bold tracking-tight text-white">
-                        Welcome Back
+                        欢迎回来
                     </h1>
                     <p className="text-muted-foreground text-sm">
-                        Enter your admin key to access the dashboard
+                        请输入管理员密钥访问控制面板
                     </p>
                 </div>
 
@@ -60,7 +60,7 @@ export default function Login({ onLogin, onMessage }) {
                     <div className="space-y-4">
                         <div className="space-y-2">
                             <label className="text-xs font-medium text-muted-foreground ml-1 uppercase tracking-wider">
-                                Admin Key
+                                管理员密钥
                             </label>
                             <div className="relative group">
                                 <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-muted-foreground group-focus-within:text-primary transition-colors">
@@ -69,7 +69,7 @@ export default function Login({ onLogin, onMessage }) {
                                 <input
                                     type="password"
                                     className="block w-full pl-10 pr-3 py-2.5 bg-secondary/50 border border-border rounded-lg text-sm placeholder:text-muted-foreground/50 focus:border-primary/50 focus:ring-2 focus:ring-primary/20 focus:bg-secondary focus:outline-none transition-all duration-200"
-                                    placeholder="Enter your DS2API_ADMIN_KEY"
+                                    placeholder="输入您的 DS2API_ADMIN_KEY"
                                     value={adminKey}
                                     onChange={e => setAdminKey(e.target.value)}
                                     autoFocus
@@ -94,7 +94,7 @@ export default function Login({ onLogin, onMessage }) {
                                 onClick={() => setRemember(!remember)}
                                 className="text-sm text-muted-foreground cursor-pointer select-none hover:text-foreground transition-colors"
                             >
-                                Keep me signed in
+                                记住登录状态
                             </span>
                         </div>
                     </div>
@@ -108,7 +108,7 @@ export default function Login({ onLogin, onMessage }) {
                             <div className="w-5 h-5 border-2 border-current border-t-transparent rounded-full animate-spin" />
                         ) : (
                             <>
-                                <span>Access Dashboard</span>
+                                <span>进入控制面板</span>
                                 <ArrowRight className="w-4 h-4 ml-2" />
                             </>
                         )}
@@ -118,7 +118,7 @@ export default function Login({ onLogin, onMessage }) {
                 <div className="pt-6 border-t border-border/50 text-center">
                     <div className="flex items-center justify-center gap-2 text-xs text-muted-foreground/70">
                         <ShieldCheck className="w-3 h-3" />
-                        <span>Secure Session • 24h Expiration</span>
+                        <span>安全会话 • 24小时有效</span>
                     </div>
                 </div>
             </div>
diff --git a/webui/src/components/VercelSync.jsx b/webui/src/components/VercelSync.jsx
index e9d63d0..cda0910 100644
--- a/webui/src/components/VercelSync.jsx
+++ b/webui/src/components/VercelSync.jsx
@@ -32,11 +32,11 @@ export default function VercelSync({ onMessage, authFetch }) {
         const tokenToUse = preconfig?.has_token && !vercelToken ? '__USE_PRECONFIG__' : vercelToken
 
         if (!tokenToUse && !preconfig?.has_token) {
-            onMessage('error', 'Vercel Token is required')
+            onMessage('error', '需要 Vercel 访问令牌')
             return
         }
         if (!projectId) {
-            onMessage('error', 'Project ID is required')
+            onMessage('error', '需要项目 ID')
             return
         }
 
@@ -58,7 +58,7 @@ export default function VercelSync({ onMessage, authFetch }) {
                 onMessage('success', data.message)
             } else {
                 setResult({ ...data, success: false })
-                onMessage('error', data.detail || 'Sync failed')
+                onMessage('error', data.detail || '同步失败')
             }
         } catch (e) {
             onMessage('error', 'Network error')
@@ -74,26 +74,26 @@ export default function VercelSync({ onMessage, authFetch }) {
                 <div className="border-b border-border pb-6">
                     <h2 className="text-xl font-semibold flex items-center gap-2">
                         <Cloud className="w-6 h-6 text-primary" />
-                        Vercel Deployment
+                        Vercel 部署
                     </h2>
                     <p className="text-muted-foreground text-sm mt-1">
-                        Sync your current key and account configuration directly to Vercel environment variables.
+                        将当前密钥和账号配置直接同步到 Vercel 环境变量中。
                     </p>
                 </div>
 
                 <div className="space-y-4">
                     <div className="space-y-2">
                         <label className="text-sm font-medium flex items-center justify-between">
-                            Vercel Token
+                            Vercel 访问令牌
                             <a href="https://vercel.com/account/tokens" target="_blank" rel="noopener noreferrer" className="text-xs text-primary hover:underline flex items-center gap-1">
-                                Get Token <ExternalLink className="w-3 h-3" />
+                                获取令牌 <ExternalLink className="w-3 h-3" />
                             </a>
                         </label>
                         <div className="relative">
                             <input
                                 type="password"
                                 className="input-field pr-10"
-                                placeholder={preconfig?.has_token ? "Using pre-configured token" : "Enter Vercel Access Token"}
+                                placeholder={preconfig?.has_token ? "正在使用预配置令牌" : "输入 Vercel 访问令牌"}
                                 value={vercelToken}
                                 onChange={e => setVercelToken(e.target.value)}
                             />
@@ -106,20 +106,20 @@ export default function VercelSync({ onMessage, authFetch }) {
                     </div>
 
                     <div className="space-y-2">
-                        <label className="text-sm font-medium">Project ID</label>
+                        <label className="text-sm font-medium">项目 ID</label>
                         <input
                             type="text"
                             className="input-field"
-                            placeholder="prj_xxxxxxxxxxxx or Project Name"
+                            placeholder="prj_xxxxxxxxxxxx 或项目名称"
                             value={projectId}
                             onChange={e => setProjectId(e.target.value)}
                         />
-                        <p className="text-xs text-muted-foreground">Found in Project Settings → General</p>
+                        <p className="text-xs text-muted-foreground">可在项目设置 (Project Settings) → 常规 (General) 中找到</p>
                     </div>
 
                     <div className="space-y-2">
                         <label className="text-sm font-medium flex items-center gap-2">
-                            Team ID <span className="text-xs text-muted-foreground font-normal">(Optional)</span>
+                            团队 ID <span className="text-xs text-muted-foreground font-normal">(可选)</span>
                         </label>
                         <input
                             type="text"
@@ -140,16 +140,16 @@ export default function VercelSync({ onMessage, authFetch }) {
                         {loading ? (
                             <span className="flex items-center gap-2">
                                 <span className="w-5 h-5 border-2 border-white/30 border-t-white rounded-full animate-spin" />
-                                Syncing...
+                                同步中...
                             </span>
                         ) : (
                             <span className="flex items-center gap-2">
-                                Sync & Redeploy <ArrowRight className="w-5 h-5" />
+                                同步并重新部署 <ArrowRight className="w-5 h-5" />
                             </span>
                         )}
                     </button>
                     <p className="text-xs text-center text-muted-foreground mt-4">
-                        This will trigger a new deployment on Vercel which takes about 30-60 seconds.
+                        这将触发 Vercel 的重新部署，大约需要 30-60 秒。
                     </p>
                 </div>
             </div>
@@ -170,14 +170,14 @@ export default function VercelSync({ onMessage, authFetch }) {
                             )}
                             <div className="space-y-1">
                                 <h3 className={`font-semibold text-lg ${result.success ? 'text-emerald-500' : 'text-destructive'}`}>
-                                    {result.success ? 'Sync Successful' : 'Sync Failed'}
+                                    {result.success ? '同步成功' : '同步失败'}
                                 </h3>
                                 <p className="text-sm opacity-90">{result.message}</p>
 
                                 {result.deployment_url && (
                                     <div className="pt-3 mt-3 border-t border-emerald-500/20">
                                         <a href={`https://${result.deployment_url}`} target="_blank" rel="noopener noreferrer" className="inline-flex items-center gap-1 text-sm font-medium hover:underline">
-                                            Visit Deployment <ExternalLink className="w-3 h-3" />
+                                            访问部署地址 <ExternalLink className="w-3 h-3" />
                                         </a>
                                     </div>
                                 )}
@@ -189,24 +189,24 @@ export default function VercelSync({ onMessage, authFetch }) {
                 <div className="bg-secondary/20 border border-border rounded-xl p-6">
                     <h3 className="font-semibold flex items-center gap-2 mb-4">
                         <Info className="w-5 h-5 text-primary" />
-                        How it works
+                        工作原理
                     </h3>
                     <ul className="space-y-4">
                         <li className="flex gap-3">
                             <span className="shrink-0 w-6 h-6 rounded-full bg-background border border-border flex items-center justify-center text-xs font-bold text-muted-foreground">1</span>
-                            <p className="text-sm text-muted-foreground">Current configuration (Keys & Accounts) is exported to a JSON string.</p>
+                            <p className="text-sm text-muted-foreground">当前配置 (密钥和账号) 被导出为 JSON 字符串。</p>
                         </li>
                         <li className="flex gap-3">
                             <span className="shrink-0 w-6 h-6 rounded-full bg-background border border-border flex items-center justify-center text-xs font-bold text-muted-foreground">2</span>
-                            <p className="text-sm text-muted-foreground">The JSON is encoded to Base64 to ensure format compatibility.</p>
+                            <p className="text-sm text-muted-foreground">JSON 被编码为 Base64 以确保格式兼容性。</p>
                         </li>
                         <li className="flex gap-3">
                             <span className="shrink-0 w-6 h-6 rounded-full bg-background border border-border flex items-center justify-center text-xs font-bold text-muted-foreground">3</span>
-                            <p className="text-sm text-muted-foreground">We update the <code className="bg-background px-1 py-0.5 rounded border border-border text-xs">DS2API_CONFIG_JSON</code> env variable in your Vercel project.</p>
+                            <p className="text-sm text-muted-foreground">更新 Vercel 项目中的 <code className="bg-background px-1 py-0.5 rounded border border-border text-xs">DS2API_CONFIG_JSON</code> 环境变量。</p>
                         </li>
                         <li className="flex gap-3">
                             <span className="shrink-0 w-6 h-6 rounded-full bg-background border border-border flex items-center justify-center text-xs font-bold text-muted-foreground">4</span>
-                            <p className="text-sm text-muted-foreground">A redeployment is triggered to apply the new environment variables.</p>
+                            <p className="text-sm text-muted-foreground">触发重新部署以应用新的环境变量。</p>
                         </li>
                     </ul>
                 </div>
