diff --git a/components/ai-chat-message/ai-chat-message.vue b/components/ai-chat-message/ai-chat-message.vue
index 406798c..ff4f0c1 100644
--- a/components/ai-chat-message/ai-chat-message.vue
+++ b/components/ai-chat-message/ai-chat-message.vue
@@ -16,7 +16,7 @@
       <!-- 消息列表 -->
       <view 
         v-for="(message, index) in messages" 
-        :key="message.id" 
+        :key="message.id + '-' + index"  
         class="message-item"
         :class="[message.role, { 'first-message': index === 0 }]">
         
@@ -532,7 +532,7 @@ export default {
           if (history.success && history.messages?.length > 0) {
             // 格式化消息
             this.messages = history.messages.map(msg => ({
-              id: msg.message_id || Date.now() + Math.random(),
+              id: msg.message_id || (Date.now() + Math.random() * 10000), 
               role: msg.role === 'user' ? 'user' : 'assistant',
               content: msg.content || msg.answer || msg.text || '',
               timestamp: msg.created_at,