diff --git a/src/components/difyChatAi/index.jsx b/src/components/difyChatAi/index.jsx
index 504a897..2a0c152 100644
--- a/src/components/difyChatAi/index.jsx
+++ b/src/components/difyChatAi/index.jsx
@@ -108,7 +108,7 @@ export default function DifyChatDrawer({ open, onClose, onExport }) {
     >
       <div className="flex flex-col h-[calc(100vh-108px)]">
         <div className="flex-1 overflow-y-auto px-4 space-y-6">
-          {messages.map((message) => (
+          {messages.length > 0 && messages.map((message) => (
             <div 
               key={message.id}
               className={`rounded-lg p-4 transition-all ${
diff --git a/src/hooks/aichat.jsx b/src/hooks/aichat.jsx
index dd7a40d..002cbce 100644
--- a/src/hooks/aichat.jsx
+++ b/src/hooks/aichat.jsx
@@ -9,7 +9,7 @@ const STORAGE_KEY = 'dify_chat_history';
 const CONVERSATION_ID_KEY = 'dify_conversation_id';
 
 export function useDifyChat() {
-  const [storedMessages, setStoredMessages] = useSessionStorage(STORAGE_KEY, '[]');
+  const [storedMessages, setStoredMessages] = useSessionStorage(STORAGE_KEY, []);
   const [conversationId, setConversationId] = useSessionStorage(CONVERSATION_ID_KEY, '');
   const [messages, setMessages] = useState([]);
   const [isLoading, setIsLoading] = useState(false);
@@ -18,7 +18,7 @@ export function useDifyChat() {
 
   const clearHistory = () => {
     setMessages([]);
-    setStoredMessages('[]');
+    setStoredMessages([]);
     setConversationId('');
     message.success('历史记录已清空');
   };