string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%A4%E4%B8%87%E4%BB%A5%E4%B8%8A%E6%89%A3%E7%A8%8E%E5%A4%9A%E5%B0%91 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
两万以上扣税多少
