perf: 渲染逻辑调整

src/components/xt-chat/chat-view/useChatHandler.tsx

@@ -237,9 +237,11 @@ export default function useChatHandler({ initSse }): UseChatHandlerReturn {
             <Tooltip title="复制" onClick={() => onCopy(existingItem.content.output)}>
               <IconCopy size={16} class="color-#737478 cursor-pointer mr-12px" />
             </Tooltip>
+            {team_session_state && (
               <Tooltip title="下载" onClick={onDownload}>
                 <IconDownload size={16} class="color-#737478 cursor-pointer mr-12px" />
               </Tooltip>
+            )}
             {isLastTask(data) && (
               <Tooltip title="重新生成" onClick={() => onRefresh(run_id)}>
                 <IconRefresh size={16} class="color-#737478 cursor-pointer" />