diff --git a/works/ai-chat-app/www/app.js b/works/ai-chat-app/www/app.js
index 41af9a6..2e6a9b2 100644
--- a/works/ai-chat-app/www/app.js
+++ b/works/ai-chat-app/www/app.js
@@ -29,6 +29,25 @@ document.addEventListener('DOMContentLoaded', () => {
     conversations = JSON.parse(saved);
   }
   
+  // 兼容旧数据格式（chat_history）
+  const oldHistory = localStorage.getItem('chat_history');
+  if (oldHistory && conversations.length === 0) {
+    const oldMessages = JSON.parse(oldHistory);
+    if (oldMessages.length > 0) {
+      // 转换旧数据为新格式
+      const convertedConv = {
+        id: Date.now().toString(),
+        title: oldMessages[0].content.slice(0, 30) + (oldMessages[0].content.length > 30 ? '...' : ''),
+        messages: oldMessages,
+        createdAt: Date.now(),
+        updatedAt: Date.now()
+      };
+      conversations.push(convertedConv);
+      saveConversations();
+      localStorage.removeItem('chat_history');  // 清理旧数据
+    }
+  }
+  
   // 显示对话列表页面
   showConversationList();
 });