string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B9%BF%E5%91%8A%E5%92%8C%E5%85%AC%E5%85%B3%E5%85%B3%E7%B3%BB%E6%9C%89%E4%BD%95%E8%81%94%E7%B3%BB => Failed to connect to 101.89.143.195 port 38205: Connection refused"
广告和公关关系有何联系
