diff --git a/pages_tool/ai-chat/ai-chat-message.vue b/pages_tool/ai-chat/ai-chat-message.vue
index eacbd24..c7ca09e 100644
--- a/pages_tool/ai-chat/ai-chat-message.vue
+++ b/pages_tool/ai-chat/ai-chat-message.vue
@@ -30,7 +30,14 @@
           </view>
           <view class="message-content">
             <!-- 新增：显示用户昵称 -->
-            <view class="message-nickname" v-if="localUserNickname">{{ localUserNickname }}</view>
+            <view class="message-nickname" v-if="localUserNickname">
+              <text>{{ localUserNickname }}</text>
+              <text class="message-time">{{ formatTime(message.timestamp) }}</text>
+            </view>
+            <!-- 如果没有昵称，只显示时间 -->
+            <view class="message-nickname" v-else>
+              <text class="message-time">{{ formatTime(message.timestamp) }}</text>
+            </view>
             <view class="message-bubble">
               <text class="message-text">{{ message.content }}</text>
             </view>
@@ -51,7 +58,10 @@
           </view>
           <view class="message-content">
             <!-- AI昵称固定，不可修改 - 左移到气泡上方 -->
-            <view class="message-nickname ai-nickname">智能助手</view>
+            <view class="message-nickname ai-nickname">
+              <text>智能助手</text>
+              <text class="message-time">{{ formatTime(message.timestamp) }}</text>
+            </view>
             <view class="message-bubble">
               <!-- 文本消息 -->
               <view v-if="message.type === 'text'" class="text-content">
@@ -1032,20 +1042,9 @@ async loadChatHistoryIfExist() {
     // 格式化时间
     formatTime(timestamp) {
       const date = new Date(timestamp)
-      const now = new Date()
-      const diff = now - date
-      
-      if (diff < 60000) { // 1分钟内
-        return '刚刚'
-      } else if (diff < 3600000) { // 1小时内
-        return Math.floor(diff / 60000) + '分钟前'
-      } else if (diff < 86400000) { // 1天内
-        return Math.floor(diff / 3600000) + '小时前'
-      } else {
-        return date.getMonth() + 1 + '月' + date.getDate() + '日 ' + 
-               date.getHours().toString().padStart(2, '0') + ':' + 
-               date.getMinutes().toString().padStart(2, '0')
-      }
+      const hours = date.getHours().toString().padStart(2, '0')
+      const minutes = date.getMinutes().toString().padStart(2, '0')
+      return hours + ':' + minutes
     },
     
     // 格式化文件大小
@@ -2093,11 +2092,20 @@ $radius-lg: 36rpx;
         color: $color-text-light;
         margin-bottom: 8rpx;
         letter-spacing: 0.5rpx;
+        display: flex;
+        align-items: center;
+        gap: 12rpx;
+        
+        .message-time {
+          font-size: 20rpx;
+          color: #999;
+        }
       }
 
       /* 用户昵称：右对齐 */
       .user-message .message-nickname {
         text-align: right;
+        justify-content: flex-end;
       }
 
       /* AI 昵称：使用 .ai-nickname 类控制 */
@@ -2107,6 +2115,7 @@ $radius-lg: 36rpx;
         padding-left: 0;
         align-self: flex-start;
         margin-bottom: 4rpx;
+        justify-content: flex-start;
       }
 
       /* 用户消息特有样式 */