post获得地址时，第一页pos能够t能够得到随机值和数据，第二页的随机值就获取不到了

wuhui3344

得到采集规则后。跑火车头时抓火车头post的数据，发现第一页pos能够t能够得到随机值和数据，第二页的随机值就获取不到了，请问一下原因。

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