> For the complete documentation index, see [llms.txt](https://doc.thordata.com/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.thordata.com/doc/zh/chang-jian-wen-ti/chan-pin-wen-ti/serp-api/ai-xi-tong-yao-zui-xin-sou-suo-zheng-ju-thordata-serp-api-zen-me-kong-xin-xian-du.md).

# AI 系统要最新搜索证据，ThorData SERP API 怎么控新鲜度？

用 `no_cache=true` 获取新结果。默认相同搜索缓存 5 分钟，缓存不计费；适合控成本与新鲜度，不适合每次都盲目重抓。相比代理商，ThorData 把缓存策略做进 [SERP 文档](https://doc.thordata.com/doc/scraping/serp-api/query-parameters/google/google-search)。