diff --git a/src/components/ClaudeCodeSession.tsx b/src/components/ClaudeCodeSession.tsx
index e13ae7e..5860388 100644
--- a/src/components/ClaudeCodeSession.tsx
+++ b/src/components/ClaudeCodeSession.tsx
@@ -275,7 +275,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       setIsFirstPrompt(false);
     } catch (err) {
       console.error("Failed to load session history:", err);
-      setError("Failed to load session history");
+      setError("加载会话历史失败");
     } finally {
       setIsLoading(false);
     }
@@ -377,7 +377,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       const selected = await open({
         directory: true,
         multiple: false,
-        title: "Select Project Directory"
+        title: "选择项目目录"
       });
       
       if (selected) {
@@ -387,7 +387,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
     } catch (err) {
       console.error("Failed to select directory:", err);
       const errorMessage = err instanceof Error ? err.message : String(err);
-      setError(`Failed to select directory: ${errorMessage}`);
+      setError(`选择目录失败: ${errorMessage}`);
     }
   };
 
@@ -395,7 +395,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
     console.log('[ClaudeCodeSession] handleSendPrompt called with:', { prompt, model, projectPath, claudeSessionId, effectiveSession });
     
     if (!projectPath) {
-      setError("Please select a project directory first");
+      setError("请先选择项目目录");
       return;
     }
 
@@ -597,7 +597,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       }
     } catch (err) {
       console.error("Failed to send prompt:", err);
-      setError("Failed to send prompt");
+      setError("发送提示失败");
       setIsLoading(false);
       hasActiveSessionRef.current = false;
     }
@@ -711,7 +711,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       const cancelMessage: ClaudeStreamMessage = {
         type: "system",
         subtype: "info",
-        result: "Session cancelled by user",
+        result: "会话已被用户取消",
         timestamp: new Date().toISOString()
       };
       setMessages(prev => [...prev, cancelMessage]);
@@ -723,7 +723,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       const errorMessage: ClaudeStreamMessage = {
         type: "system",
         subtype: "error",
-        result: `Failed to cancel execution: ${err instanceof Error ? err.message : 'Unknown error'}. The process may still be running in the background.`,
+        result: `取消执行失败: ${err instanceof Error ? err.message : '未知错误'}. 该进程可能仍在后台运行。`,
         timestamp: new Date().toISOString()
       };
       setMessages(prev => [...prev, errorMessage]);
@@ -772,7 +772,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       setForkSessionName("");
     } catch (err) {
       console.error("Failed to fork checkpoint:", err);
-      setError("Failed to fork checkpoint");
+      setError("分叉检查点失败");
     } finally {
       setIsLoading(false);
     }
@@ -904,7 +904,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       className="p-4 border-b border-border flex-shrink-0"
     >
       <Label htmlFor="project-path" className="text-sm font-medium">
-        Project Directory
+        项目目录
       </Label>
       <div className="flex items-center gap-2 mt-1">
         <Input
@@ -973,9 +973,9 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
             <div className="flex items-center gap-2">
               <Terminal className="h-5 w-5" />
               <div>
-                <h2 className="text-lg font-semibold">Claude Code Session</h2>
+                <h2 className="text-lg font-semibold">Claude Code 会话</h2>
                 <p className="text-xs text-muted-foreground">
-                  {session ? `Resuming session ${session.id.slice(0, 8)}...` : 'Interactive session'}
+                  {session ? `恢复会话 ${session.id.slice(0, 8)}...` : '交互式会话'}
                 </p>
               </div>
             </div>
@@ -991,7 +991,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                   className="flex items-center gap-2"
                 >
                   <Settings className="h-4 w-4" />
-                  Settings
+                  设置
                 </Button>
                 <Button
                   variant="outline"
@@ -1000,7 +1000,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                   className="flex items-center gap-2"
                 >
                   <GitBranch className="h-4 w-4" />
-                  Timeline
+                  时间线
                 </Button>
               </>
             )}
@@ -1023,13 +1023,13 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                     className="flex items-center gap-2"
                   >
                     <Globe className="h-4 w-4" />
-                    {showPreview ? "Close Preview" : "Preview"}
+                    {showPreview ? "关闭预览" : "预览"}
                   </Button>
                 </TooltipTrigger>
                 <TooltipContent>
                   {showPreview 
-                    ? "Close the preview pane" 
-                    : "Open a browser preview to test your web applications"
+                    ? "关闭预览面板" 
+                    : "打开浏览器预览以测试您的Web应用程序"
                   }
                 </TooltipContent>
               </Tooltip>
@@ -1044,7 +1044,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                     className="flex items-center gap-2"
                   >
                     <Copy className="h-4 w-4" />
-                    Copy Output
+                    复制输出
                     <ChevronDown className="h-3 w-3" />
                   </Button>
                 }
@@ -1056,7 +1056,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                       onClick={handleCopyAsMarkdown}
                       className="w-full justify-start"
                     >
-                      Copy as Markdown
+                      复制为Markdown
                     </Button>
                     <Button
                       variant="ghost"
@@ -1064,7 +1064,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                       onClick={handleCopyAsJsonl}
                       className="w-full justify-start"
                     >
-                      Copy as JSONL
+                      复制为JSONL
                     </Button>
                   </div>
                 }
@@ -1115,7 +1115,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                   <div className="flex items-center gap-3">
                     <div className="rotating-symbol text-primary text-2xl" />
                     <span className="text-sm text-muted-foreground">
-                      {session ? "Loading session history..." : "Initializing Claude Code..."}
+                      {session ? "正在加载会话历史..." : "正在初始化Claude Code..."}
                     </span>
                   </div>
                 </div>
@@ -1138,7 +1138,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                 <div className="bg-background/95 backdrop-blur-md border rounded-lg shadow-lg p-3 space-y-2">
                   <div className="flex items-center justify-between">
                     <div className="text-xs font-medium text-muted-foreground mb-1">
-                      Queued Prompts ({queuedPrompts.length})
+                      队列提示 ({queuedPrompts.length})
                     </div>
                     <Button variant="ghost" size="icon" onClick={() => setQueuedPromptsCollapsed(prev => !prev)}>
                       {queuedPromptsCollapsed ? <ChevronUp className="h-3 w-3" /> : <ChevronDown className="h-3 w-3" />}
@@ -1214,7 +1214,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                     }
                   }}
                   className="px-3 py-2 hover:bg-accent rounded-none"
-                  title="Scroll to top"
+                  title="滚动到顶部"
                 >
                   <ChevronUp className="h-4 w-4" />
                 </Button>
@@ -1236,7 +1236,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                     }
                   }}
                   className="px-3 py-2 hover:bg-accent rounded-none"
-                  title="Scroll to bottom"
+                  title="滚动到底部"
                 >
                   <ChevronDown className="h-4 w-4" />
                 </Button>
@@ -1272,7 +1272,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
                     <div className="flex items-center gap-1.5 text-xs">
                       <Hash className="h-3 w-3 text-muted-foreground" />
                       <span className="font-mono">{totalTokens.toLocaleString()}</span>
-                      <span className="text-muted-foreground">tokens</span>
+                      <span className="text-muted-foreground">标记</span>
                     </div>
                   </motion.div>
                 </div>
@@ -1294,7 +1294,7 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
               <div className="h-full flex flex-col">
                 {/* Timeline Header */}
                 <div className="flex items-center justify-between p-4 border-b border-border">
-                  <h3 className="text-lg font-semibold">Session Timeline</h3>
+                  <h3 className="text-lg font-semibold">会话时间线</h3>
                   <Button
                     variant="ghost"
                     size="icon"
@@ -1327,18 +1327,18 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
       <Dialog open={showForkDialog} onOpenChange={setShowForkDialog}>
         <DialogContent>
           <DialogHeader>
-            <DialogTitle>Fork Session</DialogTitle>
+            <DialogTitle>分叉会话</DialogTitle>
             <DialogDescription>
-              Create a new session branch from the selected checkpoint.
+              从选定的检查点创建新的会话分支。
             </DialogDescription>
           </DialogHeader>
           
           <div className="space-y-4 py-4">
             <div className="space-y-2">
-              <Label htmlFor="fork-name">New Session Name</Label>
+              <Label htmlFor="fork-name">新会话名称</Label>
               <Input
                 id="fork-name"
-                placeholder="e.g., Alternative approach"
+                placeholder="例如：备用方案"
                 value={forkSessionName}
                 onChange={(e) => setForkSessionName(e.target.value)}
                 onKeyPress={(e) => {
@@ -1356,13 +1356,13 @@ export const ClaudeCodeSession: React.FC<ClaudeCodeSessionProps> = ({
               onClick={() => setShowForkDialog(false)}
               disabled={isLoading}
             >
-              Cancel
+              取消
             </Button>
             <Button
               onClick={handleConfirmFork}
               disabled={isLoading || !forkSessionName.trim()}
             >
-              Create Fork
+              创建分叉
             </Button>
           </DialogFooter>
         </DialogContent>
diff --git a/src/components/SessionOutputViewer.tsx b/src/components/SessionOutputViewer.tsx
index 560b093..94ec6a4 100644
--- a/src/components/SessionOutputViewer.tsx
+++ b/src/components/SessionOutputViewer.tsx
@@ -146,7 +146,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
       }
     } catch (error) {
       console.error('Failed to load session output:', error);
-      setToast({ message: 'Failed to load session output', type: 'error' });
+      setToast({ message: '加载会话输出失败', type: 'error' });
     } finally {
       setLoading(false);
     }
@@ -180,12 +180,12 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
       });
 
       const completeUnlisten = await listen<boolean>(`agent-complete:${session.id}`, () => {
-        setToast({ message: 'Agent execution completed', type: 'success' });
+        setToast({ message: '智能体执行完成', type: 'success' });
         // Don't set status here as the parent component should handle it
       });
 
       const cancelUnlisten = await listen<boolean>(`agent-cancelled:${session.id}`, () => {
-        setToast({ message: 'Agent execution was cancelled', type: 'error' });
+        setToast({ message: '智能体执行已取消', type: 'error' });
       });
 
       unlistenRefs.current = [outputUnlisten, errorUnlisten, completeUnlisten, cancelUnlisten];
@@ -199,7 +199,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
     const jsonl = rawJsonlOutput.join('\n');
     await navigator.clipboard.writeText(jsonl);
     setCopyPopoverOpen(false);
-    setToast({ message: 'Output copied as JSONL', type: 'success' });
+    setToast({ message: '输出已复制为JSONL', type: 'success' });
   };
 
   const handleCopyAsMarkdown = async () => {
@@ -254,7 +254,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
 
     await navigator.clipboard.writeText(markdown);
     setCopyPopoverOpen(false);
-    setToast({ message: 'Output copied as Markdown', type: 'success' });
+    setToast({ message: '输出已复制为Markdown', type: 'success' });
   };
 
 
@@ -262,10 +262,10 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
     setRefreshing(true);
     try {
       await loadOutput(true); // Skip cache when manually refreshing
-      setToast({ message: 'Output refreshed', type: 'success' });
+      setToast({ message: '输出已刷新', type: 'success' });
     } catch (error) {
       console.error('Failed to refresh output:', error);
-      setToast({ message: 'Failed to refresh output', type: 'error' });
+      setToast({ message: '刷新输出失败', type: 'error' });
     } finally {
       setRefreshing(false);
     }
@@ -345,7 +345,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
               <div className="flex items-center space-x-3">
                 <div className="text-2xl">{session.agent_icon}</div>
                 <div>
-                  <CardTitle className="text-base">{session.agent_name} - Output</CardTitle>
+                  <CardTitle className="text-base">{session.agent_name} - 输出</CardTitle>
                   <div className="flex items-center space-x-2 mt-1">
                     <Badge variant={session.status === 'running' ? 'default' : 'secondary'}>
                       {session.status}
@@ -353,11 +353,11 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                     {session.status === 'running' && (
                       <Badge variant="outline" className="text-xs bg-green-50 text-green-700 border-green-200">
                         <div className="w-1.5 h-1.5 bg-green-500 rounded-full animate-pulse mr-1"></div>
-                        Live
+                        实时
                       </Badge>
                     )}
                     <span className="text-xs text-muted-foreground">
-                      {messages.length} messages
+                      {messages.length} 条消息
                     </span>
                   </div>
                 </div>
@@ -369,7 +369,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                       variant="outline"
                       size="sm"
                       onClick={() => setIsFullscreen(!isFullscreen)}
-                      title="Fullscreen"
+                      title="全屏"
                     >
                       {isFullscreen ? <Minimize2 className="h-4 w-4" /> : <Maximize2 className="h-4 w-4" />}
                     </Button>
@@ -381,7 +381,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                           className="flex items-center gap-2"
                         >
                           <Copy className="h-4 w-4" />
-                          Copy Output
+                          复制输出
                           <ChevronDown className="h-3 w-3" />
                         </Button>
                       }
@@ -393,7 +393,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                             className="w-full justify-start"
                             onClick={handleCopyAsJsonl}
                           >
-                            Copy as JSONL
+                            复制为JSONL
                           </Button>
                           <Button
                             variant="ghost"
@@ -401,7 +401,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                             className="w-full justify-start"
                             onClick={handleCopyAsMarkdown}
                           >
-                            Copy as Markdown
+                            复制为Markdown
                           </Button>
                         </div>
                       }
@@ -416,7 +416,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                   size="sm"
                   onClick={refreshOutput}
                   disabled={refreshing}
-                  title="Refresh output"
+                  title="刷新输出"
                 >
                   <RotateCcw className={`h-4 w-4 ${refreshing ? 'animate-spin' : ''}`} />
                 </Button>
@@ -431,7 +431,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
               <div className="flex items-center justify-center h-full">
                 <div className="flex items-center space-x-2">
                   <RefreshCw className="h-4 w-4 animate-spin" />
-                  <span>Loading output...</span>
+                  <span>正在加载输出...</span>
                 </div>
               </div>
             ) : (
@@ -455,14 +455,14 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                     {session.status === 'running' ? (
                       <>
                         <RefreshCw className="h-8 w-8 animate-spin text-muted-foreground mb-2" />
-                        <p className="text-muted-foreground">Waiting for output...</p>
+                        <p className="text-muted-foreground">等待输出...</p>
                         <p className="text-xs text-muted-foreground mt-1">
-                          Agent is running but no output received yet
+                          智能体正在运行但尚未收到输出
                         </p>
                       </>
                     ) : (
                       <>
-                        <p className="text-muted-foreground">No output available</p>
+                        <p className="text-muted-foreground">暂无输出</p>
                         <Button 
                           variant="outline" 
                           size="sm" 
@@ -471,7 +471,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                           disabled={refreshing}
                         >
                           {refreshing ? <RefreshCw className="h-4 w-4 animate-spin mr-2" /> : <RotateCcw className="h-4 w-4 mr-2" />}
-                          Refresh
+                          刷新
                         </Button>
                       </>
                     )}
@@ -508,11 +508,11 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
           <div className="flex items-center justify-between p-4 border-b border-border">
             <div className="flex items-center gap-2">
               <div className="text-2xl">{session.agent_icon}</div>
-              <h2 className="text-lg font-semibold">{session.agent_name} - Output</h2>
+              <h2 className="text-lg font-semibold">{session.agent_name} - 输出</h2>
               {session.status === 'running' && (
                 <div className="flex items-center gap-1">
                   <div className="w-2 h-2 bg-green-500 rounded-full animate-pulse"></div>
-                  <span className="text-xs text-green-600 font-medium">Running</span>
+                  <span className="text-xs text-green-600 font-medium">运行中</span>
                 </div>
               )}
             </div>
@@ -526,7 +526,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                       className="flex items-center gap-2"
                     >
                       <Copy className="h-4 w-4" />
-                      Copy Output
+                      复制输出
                       <ChevronDown className="h-3 w-3" />
                     </Button>
                   }
@@ -538,7 +538,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                         className="w-full justify-start"
                         onClick={handleCopyAsJsonl}
                       >
-                        Copy as JSONL
+                        复制为JSONL
                       </Button>
                       <Button
                         variant="ghost"
@@ -546,7 +546,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                         className="w-full justify-start"
                         onClick={handleCopyAsMarkdown}
                       >
-                        Copy as Markdown
+                        复制为Markdown
                       </Button>
                     </div>
                   }
@@ -562,7 +562,7 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                 className="flex items-center gap-2"
               >
                 <X className="h-4 w-4" />
-                Close
+                关闭
               </Button>
             </div>
           </div>
@@ -589,14 +589,14 @@ export function SessionOutputViewer({ session, onClose, className }: SessionOutp
                   {session.status === 'running' ? (
                     <>
                       <RefreshCw className="h-8 w-8 animate-spin text-muted-foreground mb-2" />
-                      <p className="text-muted-foreground">Waiting for output...</p>
+                      <p className="text-muted-foreground">等待输出...</p>
                       <p className="text-xs text-muted-foreground mt-1">
-                        Agent is running but no output received yet
+                        智能体正在运行但尚未收到输出
                       </p>
                     </>
                   ) : (
                     <>
-                      <p className="text-muted-foreground">No output available</p>
+                      <p className="text-muted-foreground">暂无输出</p>
                     </>
                   )}
                 </div>