diff --git a/internal/database/conversation.go b/internal/database/conversation.go
index d28e483e..1fc99652 100644
--- a/internal/database/conversation.go
+++ b/internal/database/conversation.go
@@ -200,9 +200,10 @@ func (db *DB) ListConversations(limit, offset int, search string) ([]*Conversati
 
 // UpdateConversationTitle 更新对话标题
 func (db *DB) UpdateConversationTitle(id, title string) error {
+	// 注意：不更新 updated_at，因为重命名操作不应该改变对话的更新时间
 	_, err := db.Exec(
-		"UPDATE conversations SET title = ?, updated_at = ? WHERE id = ?",
-		title, time.Now(), id,
+		"UPDATE conversations SET title = ? WHERE id = ?",
+		title, id,
 	)
 	if err != nil {
 		return fmt.Errorf("更新对话标题失败: %w", err)
diff --git a/internal/database/group.go b/internal/database/group.go
index cb9597da..7a56ff56 100644
--- a/internal/database/group.go
+++ b/internal/database/group.go
@@ -292,9 +292,10 @@ func (db *DB) UpdateConversationPinned(id string, pinned bool) error {
 	if pinned {
 		pinnedValue = 1
 	}
+	// 注意：不更新 updated_at，因为置顶操作不应该改变对话的更新时间
 	_, err := db.Exec(
-		"UPDATE conversations SET pinned = ?, updated_at = ? WHERE id = ?",
-		pinnedValue, time.Now(), id,
+		"UPDATE conversations SET pinned = ? WHERE id = ?",
+		pinnedValue, id,
 	)
 	if err != nil {
 		return fmt.Errorf("更新对话置顶状态失败: %w", err)
diff --git a/web/static/js/monitor.js b/web/static/js/monitor.js
index db207402..cc3fed4a 100644
--- a/web/static/js/monitor.js
+++ b/web/static/js/monitor.js
@@ -448,8 +448,11 @@ function handleStreamEvent(event, progressElement, progressId,
                 updateActiveConversation();
                 addAttackChainButton(currentConversationId);
                 loadActiveTasks();
-                // 立即刷新对话列表，让新对话显示在历史记录中
-                loadConversations();
+                // 延迟刷新对话列表，确保用户消息已保存，updated_at已更新
+                // 这样新对话才能正确显示在最近对话列表的顶部
+                setTimeout(() => {
+                    loadConversations();
+                }, 200);
             }
             break;
         case 'iteration':
@@ -627,8 +630,10 @@ function handleStreamEvent(event, progressElement, progressId,
                 collapseAllProgressDetails(assistantId, progressId);
             }, 3000);
             
-            // 刷新对话列表
-            loadConversations();
+            // 延迟刷新对话列表，确保助手消息已保存，updated_at已更新
+            setTimeout(() => {
+                loadConversations();
+            }, 200);
             break;
             
         case 'error':